CN110447443A - A kind of method of dalbergia odorifera and the mixed friendship reparation stony desertification vegetation of top fruit tree - Google Patents

Abstract

The invention discloses a method for repairing rocky desertification vegetation by mixing Dalbergia dalbergia and Dalbergia japonica. Dalbergia Dalbergia and Dalbergia, Dalbergia Dalbergia selects 1.5-2 year container seedlings, Dalbergia selects 6-9 month container seedlings; the method of the present invention is simple, and fertilization amount is few, can effectively improve the physical and chemical properties of soil, activate soil fertility, Increase soil fertility, realize rapid restoration of rocky desertification vegetation, and promote the rapid growth of precious tree species of Dalbergia japonica and Dalbergia japonica. , can effectively regulate the microclimate in the forest, promote the formation of a good dry shape of Dalbergia balata, and reduce the planting cost.

Description

A method for restoring rocky desertification vegetation by mixing Dalbergia balsamicus and apical fruit

technical field

The invention relates to the technical field of forestry cultivation. More specifically, the present invention relates to a method for repairing rocky desertification vegetation by mixing Dalbergia balsamicus and Dalbergia japonica.

Background technique

Dalbergia Dalbergia is a leguminous tree belonging to the genus Dalbergia, 10-15m high, except for the young part, inflorescence and ovary which are slightly pubescent, the whole plant is glabrous; the bark is brown or light brown, rough, and the branchlets have Small and dense lenticels; pinnately compound leaves, subleathery, ovate or elliptic; panicle axillary, branches in corymb shape, corolla milky white or light yellow; pod ligule-shaped oblong, petals leathery , with 1 to 2 seeds, is one of the main afforestation tree species in Hainan, China; the heartwood is usually formed after 7-8 years after planting, the heartwood is reddish brown, dense and hard, resistant to immersion and abrasion, not cracked or warped, and scattered The aroma lasts for a long time, and the patterns naturally form various patterns. It is the first-class material for making high-grade mahogany furniture, handicraft products, musical instruments, carvings, inlays, and art decorations. Fragrance;

The top fruit tree is a leguminous tree, a tall thornless tree, the height of the branches can reach 30 meters; two pinnate compound leaves, the top is pinnate compound leaves; nearly leathery, ovate or ovate oblong, Apex acuminate or acute, base slightly oblique, raceme axillary, flower large, scarlet, receptacle bell-shaped; petals lanceolate, sepals all covered with yellow-brown puberulent; stamens and petals alternate, ovary flattened , with many ovules. The pods are flat, purple-brown, and the seeds are light brown; the flowering period is March-April, and the fruit ripening period is June-July; it is distributed in Guangxi and Yunnan in China, and grows in sparse forests at an altitude of 1000-1200 meters; Cracking can be used for making furniture and building materials. The wood fiber is slender and the wall is thin. It can be used as raw material for fiber industry. It is one of the native broad-leaved fast-growing tree species. It has good ornamental value and can be used as a landscape tree. It has a well-developed root system and is a good ecological forest tree species for soil improvement.

Contents of the invention

An object of the present invention is to provide a method for repairing rocky desertification vegetation by mixing Dalbergia japonica and Dalbergia japonica, which is simple, requires less fertilization, can effectively improve the physical and chemical properties of the soil, activate soil fertility, and increase soil fertility , realize rapid restoration of rocky desertification vegetation, and promote the rapid growth of precious tree species of Dalbergia balsamicus and Dalbergia japonica. The microclimate in the forest promotes the formation of a good dry shape of Dalbergia japonica and reduces the cost of planting.

In order to realize these purposes and other advantages according to the present invention, a kind of method of Dalbergia balsamicus and Acrocarpa mixed restoration rocky desertification vegetation is provided, comprising:

Qingshan site preparation, tree species selection, seedling selection, mixed afforestation and tending management procedures, among which, in the tree species selection, the tree species choose Dalbergia dalbergia and Dalbergia japonica, choose 1.5-2 year container seedlings for Dalbergia japonica, and choose 6-9 years for Dalbergia japonica Monthly container seedlings.

Preferably, the Dalbergia Dalbergia container and the top fruit tree seedling container are watered thoroughly before the seedlings are raised, packed and transported in woven bags or bamboo baskets, and the seedlings are layered with partitions when the seedlings are loaded and transported, and the seedlings are raised before the new sprouts of the seedlings germinate. , wherein the container seedlings of Dalbergia japonica require seedling height ≥ 100cm and ground diameter ≥ 0.6cm, and the container seedlings of Dalbergia japonica require seedling height ≥ 50cm and ground diameter ≥ 0.5cm.

Preferably, the specific steps are as follows:

Step 1. In the autumn and winter of the year before the afforestation, manually remove weeds and prepare the site in a hole shape. First, remove the shrubs and weeds within 1.0m around the planting hole, and then dig the planting hole. The size is 30cm×30cm, and the hole is deep. 25cm-30cm;

Step 2. Go back to the hole in early January, first back to the surface soil and then back to the core soil. When the hole is back to half the hole, apply the base fertilizer with an amount of 500g/hole. The base fertilizer is nitrogen, phosphorus and potassium compound fertilizer. After fully mixing the base fertilizer and the subsoil Continue to return to the hole soil to the flat hole for planting;

Step 3: Afforestation is carried out when the soil is wet after the rain from January to March; row-shaped mixed afforestation is adopted in areas with flat terrain and more soil, and Dalbergia dalbergia and Apex fruit trees are planted. The specific planting standard is that the row spacing between plants is 2m×3m, The mixing ratio is 1:1; in areas with slopes and irregular soil distribution, point-like mixed afforestation is adopted according to the distribution of soil during afforestation, and the mixing ratio is 1:1;

Step 4: After afforestation, weed twice in the year of planting, twice in the next two years, and fertilize once.

Preferably, in step 3, the specific planting method of planting Dalbergia balsamicus and the container seedlings of Dalbergia japonica is: dig a planting hole, dig a small hole in the middle of the prepared planting hole, the depth exceeds the cup body 3-5cm of the container seedling, and then Remove the cup body of the seedlings and put them into the small hole and straighten them. After the roots of the seedlings are stretched, backfill with a layer of crushed soil, step on it, and then fill the surface with a layer of loose crushed soil 5-6cm higher than the seedling container, and use the seedlings The center is formed into a disc shape, and finally the seedlings are covered with hay, covering a range of 40-50cm, slightly beyond the planting hole.

Preferably, in step 3, when planting the container seedlings, the cup body is removed, and the container seedlings are planted properly and deeply. Form a counter-slope with the hillside and cover the plant with loose soil and weeds.

Preferably, in step 4, the specific time for weeding twice in the year of planting is May-June and September-October respectively, and the specific time for weeding 2 times in the 2-3 years after planting is the first weeding in the second In April-May of the first year, the fertilization operation is carried out after the first weeding, and the second weeding is carried out in September-October of the third year;

The weeding method is: first eradicate vines and weeds within 1.0m around the young tree, keep woody plants in the area outside the 1.0m range of the young tree, and eradicate herbaceous plants;

The fertilization method is: dig a fertilization ditch below the crown of the tree, that is, 20-30 cm away from the seedlings, with a depth of 20 cm, and apply 250 g of nitrogen, phosphorus and potassium compound fertilizer.

Preferably, the pruning operation will be carried out after step 4, the pruning operation is based on Dalbergia dalbergia, the first pruning is carried out in the first 1-2 years after the afforestation, and the first 4-5 years after the afforestation are carried out The second pruning, wherein, the first pruning is to remove base buds, and the second pruning is to remove drooping branches, weak branches and excessive side branches.

Preferably, the cut leaves after pruning cover the trunk.

The present invention at least includes the following beneficial effects:

First, compared with other hybrid tree species of Dalbergia japonica, the top fruit tree has better material properties and faster growth rate, and can adjust the microclimate in the forest to promote the growth of Dalbergia japonica, ensuring the quality of Dalbergia japonica Good dry shape of Dalbergia;

Second, acrocarpa is a leguminous plant, which can effectively fix nitrogen in the soil, play a role in self-fertilization, reduce the use of fertilizers, and nitrogen-fixing bacteria can release related hormones needed by plants, activate microorganisms in the soil at the same time, and improve soil quality. Nutrients, enhance the metabolism of various microorganisms in the soil, and increase the active components of the soil.

Other advantages, objectives and features of the present invention will partly be embodied through the following descriptions, and partly will be understood by those skilled in the art through the study and practice of the present invention.

Detailed ways

The present invention will be further described in detail below in conjunction with the embodiments, so that those skilled in the art can implement it with reference to the description.

<Example 1>

A method for repairing rocky desertification vegetation by mixing Dalbergia balata and Dalbergia japonica, this specific embodiment was used as a mixed forest of crocus roxburghii and Dalbergia balsamicus in a medium rocky desertification mountain in Mashan County, Guangxi Zhuang Autonomous Region in 2006, Its slope is 0-6° and its pH is measured at 6.2.

In November 2006, manual removal of weeds and pit preparation were carried out. First, the shrubs and weeds within 1.0m around the planting hole were removed, and then the planting hole was dug. The size was 30cm×30cm, and the depth of the hole was 25cm-30cm;

At the beginning of January 2007, the hole was returned, first returning to the surface soil and then returning to the core soil. When the soil was returned to half the hole, the base fertilizer was applied at a dosage of 500g/hole. The base fertilizer was nitrogen, phosphorus and potassium compound fertilizer. Return the hole soil to the flat hole for planting;

Afforestation was carried out when the soil was wet after the rain from January to March in 2007; since the soil slope was less than 10°, mixed afforestation was adopted in rows, and Dalbergia japonica and Dalbergia japonica were planted. The ratio is 1:1;

The tree species selects Dalbergia Dalbergia and Dalbergia apex, Dalbergia Dalbergia selects container seedlings for 1.5-2 years, and Dalbergia Dalbergia selects container seedlings for 6-9 months; Pack and transport the seedlings in woven bags or bamboo baskets. When the seedlings are loaded and transported, they are layered with partitions. The seedlings are raised before the new sprouts of the seedlings germinate. Among them, the container seedlings of Dalbergia japonica require seedling height ≥ 100cm and ground diameter ≥ 0.6cm. The container seedlings of top fruit trees require seedling height ≥ 50cm and ground diameter ≥ 0.5cm;

When planting, the container seedlings should be removed from the cup body, properly planted deep, the back soil should be fine, and properly compacted, so as to achieve "suitable depth, upright seedlings, comfortable roots, firm steps, and full holes". The plant is covered with loose soil and weeds; the specific planting method is: dig a planting hole, dig a small hole in the middle of the prepared planting hole, the depth is 3-5cm beyond the cup of the container seedling, and then remove the cup of the seedling and put it into the small hole Center and straighten, backfill a layer of crushed soil after the roots of the seedlings are stretched, step on it firmly, and then fill a layer of loose crushed soil 5-6cm higher than the seedling container on the surface, and surround the seedlings in a disc shape, and finally use Hay is covered around the seedlings, covering a range of 40-50cm, slightly beyond the planting hole;

Weeding twice in 2007, weeding twice in 2008-2009, fertilization once.

<Example 2>

A method for repairing rocky desertification vegetation by mixing Dalbergia balsamicus and Dalbergia japonica, this specific embodiment was used as a mixed forest of crocus roxburghii and Dalbergia balsamicus in a medium rocky desertification mountain in Mashan County, Guangxi Zhuang Autonomous Region in 2010, Its slope is more than 20°, and its pH value is measured as 6.2-7.3.

In November 2010, manual removal of weeds and hole-like site preparation were carried out. First, the shrubs and weeds within 1.0m around the planting hole were removed, and then the planting hole was dug, with a size of 30cm×30cm and a depth of 25cm-30cm;

At the beginning of January 2011, the hole was returned, first returning to the surface soil and then returning to the core soil. When the soil was returned to half the hole, the base fertilizer was applied at an amount of 500g/hole. The base fertilizer was nitrogen, phosphorus and potassium compound fertilizer. Return the hole soil to the flat hole for planting;

Afforestation was carried out when the soil was wet after the rain from January to March in 2011; since the soil slope was greater than 10°, mixed afforestation was adopted in irregular dots, and Dalbergia japonica and Dalbergia japonica were planted. The specific planting standard was 2m× 3m, the mixing ratio is 1:1;

The tree species selects Dalbergia Dalbergia and Dalbergia apex, Dalbergia Dalbergia selects container seedlings for 1.5-2 years, and Dalbergia Dalbergia selects container seedlings for 6-9 months; Pack and transport the seedlings in woven bags or bamboo baskets. When the seedlings are loaded and transported, they are layered with partitions. The seedlings are raised before the new sprouts of the seedlings germinate. Among them, the container seedlings of Dalbergia japonica require seedling height ≥ 100cm and ground diameter ≥ 0.6cm. The container seedlings of top fruit trees require seedling height ≥ 50cm and ground diameter ≥ 0.5cm;

When planting, the container seedlings should be removed from the cup body, properly planted deep, the back soil should be fine, and properly compacted, so as to achieve "suitable depth, upright seedlings, comfortable roots, firm steps, and full holes". The plant is covered with loose soil and weeds; the specific planting method is: dig a planting hole, dig a small hole in the middle of the prepared planting hole, the depth is 3-5cm beyond the cup of the container seedling, and then remove the cup of the seedling and put it into the small hole Center and straighten, backfill a layer of crushed soil after the roots of the seedlings are stretched, step on it firmly, and then fill a layer of loose crushed soil 5-6cm higher than the seedling container on the surface, and surround the seedlings in a disc shape, and finally use Hay is covered around the seedlings, covering a range of 40-50cm, slightly beyond the planting hole;

In 2011, weeded twice in May-June and September-October respectively. In 2012-2013, weeded twice and fertilized once. Specifically, weeded for the first time in April-May in 2008. Fertilization operation was carried out after weeding, and the second weeding was carried out in September-October in 2009;

The weeding method is: first eradicate vines and weeds within 1.0m around the young tree, keep woody plants in the area outside the 1.0m range of the young tree, and eradicate herbaceous plants;

The fertilization method is: dig a fertilization ditch below the crown of the tree, that is, 20-30cm away from the seedlings, the depth is 20cm, and 250g of nitrogen, phosphorus and potassium compound fertilizer is applied, wherein the compound fertilizer is commercially available 15%N, 15%P, 15%K compound fertilizer.

<Example 3>

A method for repairing rocky desertification vegetation by mixing Dalbergia balsamicus and Dalbergia japonica, this specific embodiment was used as a mixed forest of crocus roxburghii and Dalbergia balsamicus in a medium rocky desertification mountain in Mashan County, Guangxi Zhuang Autonomous Region in 2010, Its slope ranges from 0-12° and its pH is measured at 6.2-7.3.

In November 2010, manual removal of weeds and hole-like site preparation were carried out. First, the shrubs and weeds within 1.0m around the planting hole were removed, and then the planting hole was dug, with a size of 30cm×30cm and a depth of 25cm-30cm;

At the beginning of January 2011, the hole was returned, first returning to the surface soil and then returning to the core soil. When the soil was returned to half the hole, the base fertilizer was applied at an amount of 500g/hole. The base fertilizer was nitrogen, phosphorus and potassium compound fertilizer. Return the hole soil to the flat hole for planting;

Afforestation was carried out when the soil was wet after the rain from January to March in 2011; since the soil slope was 0-12°, mixed row afforestation was adopted in areas with flat terrain and a lot of soil, and Dalbergia japonica and Dalbergia japonica were planted. The specific planting standards For example, the spacing between plants and rows is 2m×3m, and the mixing ratio is 1:1; in areas with slopes and irregular soil distribution, dot-shaped mixed afforestation is adopted according to the soil distribution, and the mixing ratio is 1:1;

The tree species selects Dalbergia Dalbergia and Dalbergia apex, Dalbergia Dalbergia selects container seedlings for 1.5-2 years, and Dalbergia Dalbergia selects container seedlings for 6-9 months; Pack and transport the seedlings in woven bags or bamboo baskets. When the seedlings are loaded and transported, they are layered with partitions. The seedlings are raised before the new sprouts of the seedlings germinate. Among them, the container seedlings of Dalbergia japonica require seedling height ≥ 100cm and ground diameter ≥ 0.6cm. The container seedlings of top fruit trees require seedling height ≥ 50cm and ground diameter ≥ 0.5cm;

When planting, the container seedlings should be removed from the cup body, properly planted deep, the back soil should be fine, and properly compacted, so as to achieve "suitable depth, upright seedlings, comfortable roots, firm steps, and full holes". The plant is covered with loose soil and weeds; the specific planting method is: dig a planting hole, dig a small hole in the middle of the prepared planting hole, the depth is 3-5cm beyond the cup of the container seedling, and then remove the cup of the seedling and put it into the small hole Center and straighten, backfill a layer of crushed soil after the roots of the seedlings are stretched, step on it firmly, and then fill a layer of loose crushed soil 5-6cm higher than the seedling container on the surface, and surround the seedlings in a disc shape, and finally use Hay is covered around the seedlings, covering a range of 40-50cm, slightly beyond the planting hole;

In 2011, weeded twice in May-June and September-October respectively. In 2012-2013, weeded twice and fertilized once. Specifically, weeded for the first time in April-May in 2008. Fertilization operation was carried out after weeding, and the second weeding was carried out in September-October in 2009;

The weeding method is: first eradicate vines and weeds within 1.0m around the young tree, keep woody plants in the area outside the 1.0m range of the young tree, and eradicate herbaceous plants;

The fertilization method is: dig a fertilization ditch below the crown of the tree, that is, 20-30cm away from the seedlings, the depth is 20cm, and 250g of nitrogen, phosphorus and potassium compound fertilizer is applied, wherein the compound fertilizer is commercially available 15%N, 15%P, 15%K compound fertilizer.

During the period from 2011 to 2012, the first pruning will be carried out. The pruning operation is mainly Dalbergia japonica, and the second pruning will be carried out in the 4th to 5th year after the afforestation. Among them, the first pruning is clearing The base sprouts, and the second pruning is to remove drooping branches, weak branches and excessive side branches; after pruning, the cut branches and leaves cover the trunk.

<Comparative example 1>

Pure Dalbergia Dalbergia forest, its planting area and method are identical with embodiment 1, but do not mix the top fruit trees.

<Comparative example 2>

Ren bean is mixed with Dalbergia japonica, Ren bean adopts Ren bean container seedlings from May to August, the specific planting area is the same as in Example 1, and the planting method is the same as in Example 1, only the container seedlings of Apical fruit tree are replaced with any Bean container seedlings for planting.

Experimental example

1. Detection of microbial content after two years of mixed breeding

Soil collection:

Utilize five-point sampling method, when the stand age of mixed forest reaches 5 years, get embodiment 1, embodiment 2, embodiment 3, comparative example 1, the soil of 0～40cm of comparative example 2 collection mixed forest, pack into without Put it in a bacteria-sealed bag and bring it back to the laboratory for storage at 4°C for later use.

Sample analysis and data processing

The number of soil microorganisms was measured using a dilution coating plate valve, and the soil bacteria, fungi, and actinomycetes were respectively used in beef extract peptone medium, PDA medium, and Gaoshi No. 1 medium, and the bacterial dilution gradient was set at 10 ⁵ and 10 ⁶ , 10 ⁷ cfu·g ^-1 , Actinomycetes dilution gradient setting 10 ⁴ , 10 ⁵ , 10 ⁶ cfu·g ^-1 , fungal dilution gradient setting 10 ³ , 10 ⁴ , 10 ⁵ cfu·g ^-1 , every concentration The gradient setting was repeated three times, and the data was processed and statistically analyzed using Excel 2010 and Orign 8.05 data analysis software. The specific results are shown in Table 1;

Table 1

* means significant difference (p<0.05), ^# means significant difference (p<0.08);

Soil microorganisms are living organisms in the soil, and their composition and quantity changes can often reflect the level of soil biological activity. Through the metabolic activities of soil microorganisms, they can promote the formation and development of soil, change the physical and chemical properties of soil, and promote nitrogen, phosphorus, Potassium and other substances and energy conversion, improve soil fertility;

It can be seen from the above table that there are differences in the number of three types of microorganisms in the mixed forest of Dalbergia japonica, specifically the number of bacteria is greater than the number of actinomycetes and the number of fungi is greater than that of fungi. Example 1 (86.42±4.58×10 ⁴ cfu·g ^-1 , 65.42±3.45×10 ³ cfu·g ^-1 , 25.63±4.25×10 ³ cfu·g ^-1 ), Example 2 (91.35±4.65×10 ⁴ cfu·g ^-1 , 64.31±5.12×10 ³ cfu·g -1 g ^-1 , 25.12±3.15×10 ³ cfu·g ^-1 ), Example 3 (91.56±1.25×10 ⁴ cfu·g ^-1 , 66.20±5.70×10 ³ cfu·g ^-1 , 24.88±2.85×10 ³ cfu·g ^-1 ) compared to Comparative Example 2 (67.75±2.55×10 ⁴ cfu·g ^-1 , 44.21±2.12×10 ³ cfu·g ^-1 , 19.01±2.14×10 ³ cfu·g ^-1 ) was significantly improved, much higher than that of Comparative Example 1 (53.47±6.14×10 ⁴ cfu·g ^-1 , 32.32±6.12×10 ³ cfu·g ^-1 , 11.33±1.47×10 ³ cfu·g ^{- 1} ), therefore explain, the Dalbergia balsamicus mixed forest is beneficial to the reproduction and the growth of soil microorganism, can accelerate the material transformation of forest soil, and the embodiment 1～3 of the balsamic rosewood forest and the top fruit tree mixed are obviously better than comparative example 2 The mixed Dalbergia japonica and Rendou showed that the mixed nitrogen-fixing plants are more conducive to the activation of soil.

2. Growth status of mixed forest plants

Embodiment 1～3, comparative example 1, comparative example 2 measure the height of the tree and the average ground diameter of the plant in April of the second year, April of the third year, and April of the fifth year respectively after mixing , the specific results are shown in Table 2;

Table 2

It can be seen from Table 2 that the average height of the plants in the same year is greater than that of the single Dalbergia grove after the mixed crossing, and the Dalbergia grove mixed with apical fruit trees is higher than that of any Dalbergia forest. Dalbergia Dalbergia forests mixed with soybeans also have better growth, which means that they can meet the requirements of tree growth in a shorter time and faster. Rapidly surpasses Dalbergia Dalbergia, regulates the microclimate in the understory, promotes the growth of Dalbergia Dalbergia, and the apical fruit tree also has the function of self-fertilization as a nitrogen-fixing plant.

3. Basic situation of soil physical and chemical properties

The sample of embodiment 1 is taken from April, 2007, 2 years of forest age in mixed forest;

The sample of embodiment 2 is taken from April, 2012, 2 years of forest age in mixed forest;

The sample of embodiment 3 is taken from April, 2012, 2 years of forest age in mixed forest;

The sample of Comparative Example 1 was taken from April, 2012, 2 years of forest age in pure Dalbergia balata forest;

The sample of Comparative Example 2 was taken from April 2012, 2 years old in mixed forest;

See Table 3 for specific data;

Detection method:

Moisture content was measured on-site with a TZS-IW soil moisture temperature measuring instrument; soil pH was measured with a 1mol/L KCl leaching pH meter;

Soil organic matter adopts hydration heat potassium dichromate-sulfuric acid-colorimetric method;

The soil total nitrogen content was determined by the semi-micro Kjeldahl method;

The content of available phosphorus in the soil is extracted by NaHCO3 and measured by a fully automatic intermittent chemical analyzer;

Soil available potassium content was determined by flame photometry;

The determination of soil polyphenol oxidase adopts pyrogallol colorimetric method;

Soil urease activity was determined by sodium phenoxide-sodium hypochlorite colorimetric method.

table 3

As can be seen from the data in Table 3, the total nitrogen content, available potassium content, available phosphorus content, urease and polyphenol oxidase content of Examples 1 to 3 are higher than those of Comparative Example 1 and Comparative Example 2, so it can be seen that The physical and chemical composition of the mixed forest soil is better than that of the single forest, and the mixed nitrogen-fixing plants can accelerate the fertilization rate of the soil and effectively improve the soil properties in rocky desertification areas compared with the mixed nitrogen-fixing plants and landscape plants.

Although the embodiment of the present invention has been disclosed as above, it is not limited to the use listed in the specification and implementation, it can be applied to various fields suitable for the present invention, and it can be easily understood by those skilled in the art Therefore, the invention is not limited to the specific details and embodiments shown and described herein without departing from the general concept defined by the claims and their equivalents.

Claims (8)

1. a kind of dalbergia odorifera and the mixed method for handing over reparation stony desertification vegetation of top fruit tree, including clear mountain site preparation, Tree Species Selection, nursery stock Selection, Mixed forestation and tending management process, which is characterized in that in Tree Species Selection, Tree Species Selection dalbergia odorifera and top fruit tree, drop Fragrant yellow wingceltis selects 1.5-2 container seedling, and top fruit tree selects 6-9 month container seedling.

2. the method that stony desertification vegetation is repaired in a kind of dalbergia odorifera as described in claim 1 and the mixed friendship of top fruit tree, feature exist It is first sprinkled profoundly water before, dalbergia odorifera container and top fruit tree seedling container seedling lifting, with woven bag or bamboo basket packed and transported, nursery stock entrucking It is layered when transport with partition；Lifting carries out before nursery stock sprouting sprouts, wherein and the container seedling requirement height of seedling of dalbergia odorifera >= 100cm, ground diameter >=0.6cm, top fruit tree container seedling require height of seedling >=50cm, ground diameter >=0.5cm.

3. the method that stony desertification vegetation is repaired in a kind of dalbergia odorifera as described in claim 1 and the mixed friendship of top fruit tree, feature exist In, the specific steps are as follows:

Step 1: the autumn and winter of afforestation the previous year carries out artificial removing weeds, cave-shaped site preparation, first by 1.0m range around kind plant hole Interior shrub and weeds is removed completely, and kind of a plant hole is then dug, and specification is 30cm × 30cm, cave depth 25cm-30cm；

Step 2: carrying out go back to cave at the beginning of 1 month, cubsoil is returned after first returning surface soil, when going back to the cave cave Tu Zhiban, discharges base manure, dosage 500g/ Cave, base manure are nitrogen-phosphorus-potassium compound fertilizer, continue back the standby cultivation in the cave cave Tu Zhiping after base manure and subsoil are mixed well；

Step 3: afforesting when ground moistening after 1-3 month rain；Flat in topography, soil compares multizone and takes Mixed in line Afforestation, plantation dalbergia odorifera and top fruit tree, specific plantation standard are that seeding row spacing is 2m × 3m, and mixis ratio is 1 ︰ 1；There is slope Degree, SOIL DISTRIBUTION irregular region use dotted Mixed forestation according to the distribution situation of soil when afforestation, and mixis ratio is 1 ︰ 1；

Step 4: applying fertilizer 1 time weeding 2 times between being planted current year weeding 2 times, latter 2 years after afforestation.

4. the method that stony desertification vegetation is repaired in a kind of dalbergia odorifera as claimed in claim 3 and the mixed friendship of top fruit tree, feature exist In, in step 3, plantation dalbergia odorifera and the specific method for planting for pushing up fruit tree container seedling are as follows: dig plantation hole, ready plantation A vesicle is dug among cave, depth is more than the cup body 3-5cm of container seedling, is put into vesicle simultaneously after then the cup body of nursery stock is removed Righting, nursery stock root backfills one layer of hack after unfolding, treads, then fills one layer on the whole and be higher by the loose of nursery stock container 5-6cm Hack, and plate-like is surrounded centered on nursery stock, it is finally covered on around nursery stock with hay again, coverage area 40-50cm, it is slightly super Plant hole is planted out.

5. the method that stony desertification vegetation is repaired in a kind of dalbergia odorifera as claimed in claim 3 and the mixed friendship of top fruit tree, feature exist In, in step 3, container seedling removes cup body when plant, it is appropriate it is deep plant, return that soil is thin, and appropriate compacting accomplishes " suitable deep, Miao Zheng, root Relax, tread, cave it is full ", cave face and hillside form anti-obliquity, and covering is loosened the soil and weeds around plant.

6. the method that stony desertification vegetation is repaired in a kind of dalbergia odorifera as claimed in claim 3 and the mixed friendship of top fruit tree, feature exist In in step 4, the specific time of plantation current year weeding twice is respectively the 5-6 month and the 9-10 month, is removed between the 2-3 after plantation The specific time that grass is 2 times is that first time weeding carries out fertilizing operation after the 4-5 month of second year, first time weeding, is removed for the second time Grass is carried out in the 9-10 month in third year；

Herbicidal methods are as follows: first root out the liana and weeds within the scope of the 1.0m of treelet periphery, the region outside treelet 1.0m range Retain xylophyta, roots out herbaceous plant；

Fertilizing method are as follows: below tree crown, i.e., dressing furrow is dug at seedling 20-30cm, depth 20cm discharges azophoska Hefei 250g.

7. the method that stony desertification vegetation is repaired in a kind of dalbergia odorifera as claimed in claim 3 and the mixed friendship of top fruit tree, feature exist In, pruning operation is also carried out after step 4, prune operation based on dalbergia odorifera, the 1-2 progress after afforestation It prunes for the first time, the 4-5 after afforestation carries out second of pruning, wherein prune for the first time to remove base portion rudiment, for the second time It prunes as removal descending branch, weak branch and excessive side shoot.

8. the method that stony desertification vegetation is repaired in a kind of dalbergia odorifera as claimed in claim 7 and the mixed friendship of top fruit tree, feature exist In the branches and leaves cut after pruning are covered on around trunk.