CN109220748B - Sugarcane water planting method - Google Patents
Sugarcane water planting method Download PDFInfo
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- 239000007788 liquid Substances 0.000 claims abstract description 29
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- 239000005660 Abamectin Substances 0.000 claims description 3
- 241000122106 Diatraea saccharalis Species 0.000 claims description 3
- 239000005947 Dimethoate Substances 0.000 claims description 3
- ZGTMUACCHSMWAC-UHFFFAOYSA-L EDTA disodium salt (anhydrous) Chemical compound [Na+].[Na+].OC(=O)CN(CC([O-])=O)CCN(CC(O)=O)CC([O-])=O ZGTMUACCHSMWAC-UHFFFAOYSA-L 0.000 claims description 3
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- ICSSIKVYVJQJND-UHFFFAOYSA-N calcium nitrate tetrahydrate Chemical compound O.O.O.O.[Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ICSSIKVYVJQJND-UHFFFAOYSA-N 0.000 claims description 3
- MCWXGJITAZMZEV-UHFFFAOYSA-N dimethoate Chemical compound CNC(=O)CSP(=S)(OC)OC MCWXGJITAZMZEV-UHFFFAOYSA-N 0.000 claims description 3
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- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims description 3
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- 239000003501 hydroponics Substances 0.000 claims description 2
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- 239000005886 Chlorantraniliprole Substances 0.000 description 2
- 229950008167 abamectin Drugs 0.000 description 2
- 239000004480 active ingredient Substances 0.000 description 2
- PSOVNZZNOMJUBI-UHFFFAOYSA-N chlorantraniliprole Chemical compound CNC(=O)C1=CC(Cl)=CC(C)=C1NC(=O)C1=CC(Br)=NN1C1=NC=CC=C1Cl PSOVNZZNOMJUBI-UHFFFAOYSA-N 0.000 description 2
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- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G31/00—Soilless cultivation, e.g. hydroponics
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G31/00—Soilless cultivation, e.g. hydroponics
- A01G31/02—Special apparatus therefor
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/20—Liquid fertilisers
- C05G5/23—Solutions
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pest Control & Pesticides (AREA)
- Environmental Sciences (AREA)
- Hydroponics (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention belongs to the technical field of agricultural water planting, and particularly provides a sugarcane water planting method. A sugarcane hydroponic method, comprising the following steps: (1) preparing nutrient solution, and placing the nutrient solution into a water planting box; (2) selecting disease-free seedlings and planting the seedlings on planting holes; (3) Different nutrient solutions and different irrigation frequencies are selected according to different growth periods; and (4) oxygen supply management. The water planting, spraying, oxygen supplementing and the like are combined, so that the growth requirements of the sugarcane seedling stage on moisture, oxygen and nutrients can be met, and the sugarcane root can be prevented from being soaked in the nutrient solution for a long time, so that good plant root growth and development can be ensured; the water planting box can simultaneously carry out multi-plant water planting, thereby ensuring the consistency of plant growth environments; the natural growth conditions of plants can be simulated and nutrient supply can be optimized through timing and quantitative oxygen supply, circulating liquid supply and nutrient solution formula adjustment, thereby being beneficial to good growth of plants and improving the reliability of experimental results.
Description
Technical Field
The invention belongs to the technical field of agricultural water planting, and particularly provides a sugarcane water planting method.
Background
Hydroponics is one of soilless culture techniques and is a hot spot studied in recent years. The existing sugarcane water planting method is simple, namely, a bucket with a cover and provided with a planting hole at the top is utilized, nutrient solution is filled in the bucket, and then sugarcane is planted in the planting hole. The water culture method is unfavorable for oxygen supply and is easy to generate root rot; in addition, the common nutrient solution formula can not well meet the growth requirements of sugarcane in different periods.
Disclosure of Invention
The invention aims to overcome the defects and provide a sugarcane water planting method. The technical scheme of the invention is as follows: the sugarcane water planting method is characterized by comprising the following steps of:
(1) Adding standard nutrient solution into a water planting box, wherein planting holes are formed in the top of the water planting box, and each 1 liter of standard nutrient solution comprises the following components in parts by weight: ca (NO 3) 2 .4H 2 O 940～1200mg、KNO 3 400～506mg、NH 4 NO 3 80mg、Mg(SO) 4 .7H 2 O 490mg、KH 2 PO 4 136～300mg、NH 4 H 2 PO 4 110～300mg、FeSO4·7H 2 O 13.9mg、Na2-EDTA 18.6mg、MnSO 4 ·4H 2 O 22.3mg、ZnSO 4 ·H 2 O 8.6mg、Na 2 MoO 4 ·2H 2 O 0.25mg、H 3 BO 3 6mg, KI 0.83mg; (2) Selecting sugarcane seedlings with roots, which are free of plant diseases and insect pests and have stems not lower than 3cm, flushing the seedlings with transitional nutrient solution, and wrapping and fixing the seedlings on planting holes through sponge;
(3) After new roots come out, 1/2 times of standard nutrient solution (namely, nutrient solution diluted by one time of the standard concentration nutrient solution) is poured, wherein the nutrient solution is poured once every 3-7 d, and the diluted nutrient solution is poured 1 time in spring, summer and autumn for 3-4 d, and the diluted nutrient solution is poured 1 time in winter for 5-7 daysThe diluted nutrient solution is not poured in the afternoon and evening in overcast and rainy days, the diluted nutrient solution is poured for 1 time for She Huangshi to 4 days, the diluted nutrient solution is poured for 1 time for 6 to 8 days when the leaves are black, and each time the nutrient solution is poured for 12000 to 15000mL/m 3 ；
(4) The sugarcane grows to 3-5 leaf stage, and is replaced by 2/3 times of standard concentration nutrient solution, and 12000-15000 mL/m of 2/3 times of standard nutrient solution is poured each time 3 The nutrient solution is poured once every 3 to 7 days, wherein the nutrient solution is poured 1 time in spring, summer and autumn for 3 to 4 days and 1 time in winter for 5 to 7 days;
(5) The sugarcane is grown to 6-7 leaf stage, and is replaced by 1 time of standard concentration nutrient solution, and 15000-20000 mL/m standard nutrient solution is poured each time 3 The nutrient solution is poured once every 3 to 7 days, wherein the nutrient solution is poured 1 time in spring, summer and autumn for 3 to 4 days and 1 time in winter for 5 to 7 days;
(6) Adding KH into 1-time standard concentration nutrient solution for sugarcane to reach 12-13 leaf stage 2 Spraying PO4 fertilizer to root system for 1 time every 7d, adding KH every time 2 Nutrient solution 25000-35000 mL/m of PO4 fertilizer 3 ，KH 2 The addition amount of the PO4 fertilizer is 250-350mg/L;
(7) Oxygen supply conditions: the oxygen supply was continued and stopped for 1 hour each, alternately.
The nutrient solution is prepared according to the growth requirements of the sugarcane, and different nutrient solutions are irrigated in different periods, so that the growth requirements of the sugarcane in different growth periods can be met. Simultaneously, the nutrient solution is supplied and simultaneously oxygen is also supplied, so that the rotting root can be effectively prevented, and the growth of the sugarcane can be promoted.
Further, pest control management is also included: spraying 600-700 times of 40% Dimethoate emulsion to prevent and treat sugarcane aphid; the method comprises the steps of using 1.8% abamectin 500-750 times liquid and DuPont 'Kangguan' (active ingredient: 20% chlorantraniliprole) pesticide 3000 times liquid to prevent and treat sugarcane borer, spraying 1 time every 15 days for 2 times in total; the 50% carbendazim wettable powder is used for controlling sugarcane tip rot, brown streak and black rot by 500-1000 times of liquid, and the spraying is carried out 1 time every 10 days for 2 times.
Further, the hydroponic box comprises a box body with a flip structure, a liquid inlet is arranged above the box body, a liquid outlet is arranged below the box body, and planting holes are formed in the flip of the box body at intervals; the upper part of the box body below the planting hole is provided with a water planting filter box, a supporting block is arranged in the box body, and the water planting filter box is detachably erected on the supporting block; the bottom of the water culture filter tank is provided with a liquid outlet hole and a hole cover, and the side wall of the water culture filter tank is provided with a liquid level control opening; still be equipped with trinity immersible pump in the box in the water planting rose box outside, trinity immersible pump includes water pump and feed liquor pipe, drain pipe and the oxygenation pipe of being connected with the water pump, the water pump communicates with the timer circuit of locating outside the box, the oxygenation pipe links to each other with the play oxygen regulation pole, it extends to outside the box to go out the oxygen regulation pole end, the feed liquor pipe tip is equipped with the drainage cover, the drain pipe links to each other with the shower of taking the shower nozzle, the shower pipe is set up in the water planting rose box top, the shower nozzle locate the both sides of shower, with it is corresponding to plant the hole.
When in use, nutrient solution is filled into the water planting box and the water planting filter box. The plant seedling is inserted into the planting hole and is fixed by the sponge. Through the timer, the water pump is automatically started at intervals of 1 hour to aerate nutrient solution, and meanwhile, the nutrient solution in the water planting box is pumped to the spray pipe and sprayed to plants through the spray head of the spray pipe. The device has simple, compact, neat and beautiful structure, the three-in-one submersible pump can pump nutrient solution in the water planting box to the spray pipe, and the nutrient solution is sprayed to plants by the spray head of the spray pipe, so that the device can stir the water body while circulating the water body, and is beneficial to the flow of oxygen.
Further, the box body and the water planting filter box are transparent, a detachable light-shielding cover is arranged on the outer side of the box body, and an inverted U-shaped zipper-type observation opening is formed in the light-shielding cover. The light-shielding cover can be connected in a manner of a zipper, a button and the like, is convenient to put on or remove, and can be opened by pulling the zipper of the inverted U-shaped zipper type observation port, so that observation is convenient.
The invention has the advantages that: 1. the nutrient solution is prepared according to the growth requirements of the sugarcane, and different nutrient solutions are irrigated in different periods, so that the growth requirements of the sugarcane in different growth periods can be met; simultaneously, the nutrient solution is supplied and simultaneously oxygen is also supplied, so that the rotting root can be effectively prevented, and the growth of the sugarcane can be promoted.
2. The matched water planting box is designed, and water planting, spraying, oxygen supplementing and the like are combined, so that the growth requirements of the sugarcane seedling stage on moisture, oxygen and nutrients can be met, and the sugarcane root can be prevented from being soaked in the nutrient solution for a long time, so that good plant root growth and development are ensured. The water planting box can simultaneously carry out multi-plant water planting, thereby ensuring the consistency of plant growth environments; the natural growth conditions of plants can be simulated and nutrient supply can be optimized through timing and quantitative oxygen supply, circulating liquid supply and nutrient solution formula adjustment, thereby being beneficial to good growth of plants and improving the reliability of experimental results.
Drawings
FIG. 1 is a schematic structural view of a hydroponic tank;
fig. 2 is a schematic structural view of the hydroponic tank covered with the light-shielding cover.
1-box body, 2-liquid inlet, 3-liquid outlet, 4-planting hole, 5-sponge, 6-water planting filter box, 7-supporting block, 8-liquid outlet, 9-hole cover, 10-liquid level control port, 11-separation blade, 12-regulating valve, 13-chute, 14-scale, 15-photographing device, 16-timer, 17-trinity immersible pump, 18-water pump, 19-liquid inlet pipe, 20-liquid outlet pipe, 21-oxygenation pipe, 22-oxygen outlet regulation pole, 23-drainage cover, 24-shower nozzle, 25-shower pipe, 26-light-shielding cover, 27-zip-type viewing aperture.
Detailed Description
The invention is further elucidated below in conjunction with the accompanying drawings.
Example 1
As shown in fig. 1-2, a water planting box comprises a box body 1 with a flip structure, wherein a liquid inlet 2 is arranged above the box body 1, a liquid outlet 3 is arranged below the box body, and planting holes 4 are formed in the flip of the box body 1 at intervals. The bottom of the water culture filter tank 6 is provided with a liquid outlet hole 8 and a hole cover 9, and the side wall of the water culture filter tank 6 is provided with a liquid level control port 10. The liquid level control port 10 is also provided with a baffle 11, the hydroponic filter tanks 6 at two sides of the liquid level control port 10 are provided with longitudinal sliding grooves 13, and the baffle 11 is in sliding connection with the sliding grooves 13.
The water planting filter box 6 is arranged on the upper portion of the box body 1 below the planting hole 4, the supporting block 7 is arranged in the box body 1, and the water planting filter box 6 is detachably erected on the supporting block 7.
The water culture filter tank 6 is provided with a longitudinal scale 14. The upper portion outside the hydroponic tank 1 is also provided with a photographing device 15, and the photographing device 15 is in line communication with a timer 16.
Still be equipped with trinity immersible pump 17 in the box 1 in the water planting rose box 6 outside, trinity immersible pump 17 include water pump 18 and feed liquor pipe 19, drain pipe 20 and oxygenation pipe 21 that are connected with water pump 18, water pump 18 with locate the outer timer 16 circuit intercommunication of water planting rose box 1, oxygenation pipe 21 links to each other with play oxygen regulation pole 22, play oxygen regulation pole 22 end extends to outside the water planting rose box 1, the feed liquor pipe 19 tip is equipped with drainage cover 23, drain pipe 20 links to each other with shower 25 of taking shower nozzle 24, shower 25 sets up in water planting rose box 6 top, shower nozzle 24 locate shower 25 both sides, with planting hole 4 are corresponding. The spray pipe 25 is provided with a regulating valve 12, and the spray head 24 is arranged obliquely downwards.
The box body 1 and the water planting filter box 6 are transparent, a detachable light-shielding cover 26 is arranged on the outer side of the box body 1, and a zipper-type observation opening 27 with an inverted U shape is arranged on the light-shielding cover 26.
When in use, nutrient solution is filled into the box body 1 and the water culture filter box 6. And a light-shielding cover 26 is sleeved outside the box body 1 through a zipper. The plant seedlings are inserted into the planting holes 4 and fixed by the sponge 5. Through the timer 16, the three-in-one submersible pump 17 is automatically started at intervals of 1 hour to aerate the nutrient solution, and meanwhile, the nutrient solution in the box body 1 is pumped to the spray pipe 25 and sprayed to plants through the spray head 24 of the spray pipe 25.
Example 2
The water planting technology method of the sugarcane tissue culture seedling uses the sugarcane cinnamose 42 (GT 42) and neo-table sugar (ROCC 22) tissue culture seedling as materials, and carries out the water planting test in the greenhouse of the core area of the Guangxi agricultural academy of sciences at the beginning of 10 months.
Selecting healthy and consistent sugar cane cinnamose 42 (GT 42), new table sugar (ROCC 22) tissue culture seedlings or 150 plants of seed stem seedlings (provided by the key laboratories of genetic improvement biotechnology of Guangxi crops), cleaning root sand, soaking the root of the tissue culture seedlings with 0.5% carbendazim for 10min, and performing a water culture test in a greenhouse in a core area of the Guangxi agricultural academy of sciences.
A sugarcane hydroponic method, comprising the following steps:
(1) Adding standard nutrient solution into the water planting box, wherein a planting hole is formed in the top of the water planting box, and the standard nutrient solution comprises the following components in parts by weight: ca (NO 3) 2 .4H 2 O 945mg、KNO 3 506mg、NH 4 NO 3 80mg、Mg(SO) 4 .7H 2 O 490mg、KH 2 PO 4 136mg、NH 4 H 2 PO 4 270mg、FeSO4·7H 2 O 13.9mg、Na2-EDTA 18.6mg、MnSO 4 ·4H 2 O 22.3mg、ZnSO 4 ·H 2 O 8.6mg、Na 2 MoO 4 ·2H 2 O 0.25mg、H 3 BO 3 6mg、KI 0.83mg。
(2) Selecting sugarcane seedlings with roots, which are free of plant diseases and insect pests and have stems not lower than 3cm, flushing the sugarcane seedlings with roots by using transitional nutrient solution, and wrapping and fixing the sugarcane seedlings on planting holes by using sponge.
(3) After new roots come out, pouring 1/2 times of standard nutrient solution, pouring 1 time of diluted nutrient solution every 3-7 d, wherein the diluted nutrient solution is poured for 3-4 d in spring, summer and autumn, the diluted nutrient solution is poured for 1 time in 5-7 days in winter, the diluted nutrient solution is not poured in afternoon and evening in overcast and rainy days, the diluted nutrient solution is poured for She Huangshi-4 d for 1 time, the diluted nutrient solution is poured for 6-8 d in black leaves, and the diluted nutrient solution is poured for 12000-15000 mL/m each time 3 。
(4) The sugarcane is grown to 3-5 leaf stage, and is replaced by 2/3 times of standard nutrient solution, and 12000-15000 mL/m of 2/3 times of standard nutrient solution is poured each time 3 。
(5) The sugarcane is changed into 1 time standard nutrient solution after the sugarcane grows to 6-7 leaf stage, and 15000-20000 mL/m standard nutrient solution is poured each time 3 。
(6) Adding KH into 1-time standard nutrient solution after sugarcane grows to 12-13 leaf stage 2 Spraying PO4 fertilizer to root system for 1 time every 7d, adding KH every time 2 Nutrient solution 25000-35000 mL/m of PO4 fertilizer 3 ，KH 2 The addition amount of the PO4 fertilizer is 272mg/L.
(7) Oxygen supply conditions: the oxygen supply was continued and stopped for 1 hour each, alternately.
(8) Pest control management: spraying 600-700 times of 40% Dimethoate emulsion to prevent and treat sugarcane aphid; the method comprises the steps of using 1.8% abamectin 500-750 times liquid and DuPont 'Kangguan' (active ingredient: 20% chlorantraniliprole) pesticide 3000 times liquid to prevent and treat sugarcane borer, spraying 1 time every 15 days for 2 times in total; the 50% carbendazim wettable powder is used for controlling sugarcane tip rot, brown streak and black rot by 500-1000 times of liquid, and the spraying is carried out 1 time every 10 days for 2 times.
Comparative example 1
The traditional sugarcane water planting method is adopted, sugarcane seedlings are fixed into a bucket with a cover and provided with planting holes at the top for planting, and nutrient solution used for planting is standard nutrient solution and is not adjusted according to the growing period of sugarcane.
The growth of sugarcane is shown in the following table:
TABLE 1 influence of different hydroponic methods on sugarcane seed, stem and seedling plant growth
TABLE 2 influence of different hydroponic methods on sugarcane tissue-cultured seedling plant growth
TABLE 3 growth of sugarcane
From the table, it can be seen from comparison of example 2 and comparative example 1 that the concentration and formulation of the nutrient solution are adjusted according to the nutrition requirement characteristics of the sugarcane in different growth periods in the growth period of the sugarcane seedlings, the tillering rates of the sugarcane ROC22 and the GT42 are respectively increased by 8.8% and 9.6%, the stalk diameters are respectively increased by 0.07cm and 0.08cm, the stalk lengths and plant heights are respectively increased by 7.6cm and 8.5cm, the elongation speeds are respectively increased by 2.8cm and 3.0cm, the occurrence rate of plant diseases and insect pests is respectively reduced by 6.4% and 5.2%, and the field hammeriness is respectively increased by 1.6% and 1.8%.
In conclusion, the sugarcane planted by the invention adopts a soilless culture technology integrating water planting and crop growth characteristics, and has remarkable disease and pest resistance; through the adjustment of the concentration and the formula of the nutrient solution, the growth speed of the sugarcane can be effectively accelerated, the effective utilization rate of nutrition is improved, the requirements of scientific research experiments of scientific researchers are met, the smooth performance of the experiments is ensured, and the reliability of experimental data is improved.
It is to be understood that these examples are illustrative of the present invention and are not intended to limit the scope of the present invention. Further, it is understood that various modifications and alterations of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and that such equivalents fall within the scope of the claims appended hereto.
Claims (3)
1. The sugarcane water planting method is characterized by comprising the following steps of:
(1) Adding standard nutrient solution into a water planting box, wherein planting holes are formed in the top of the water planting box, and each 1 liter of standard nutrient solution comprises the following components in parts by weight: ca (NO 3) 2 .4H 2 O 940～1200mg、KNO 3 400～506mg、NH 4 NO 3 80mg、Mg(SO) 4 .7H 2 O 490mg、KH 2 PO 4 136～300mg、NH 4 H 2 PO 4 110～300mg、FeSO4·7H 2 O 13.9mg、Na2-EDTA 18.6mg、MnSO 4 ·4H 2 O 22.3mg、ZnSO 4 ·H 2 O 8.6mg、Na 2 MoO 4 ·2H 2 O 0.25mg、H 3 BO 3 6mg、KI 0.83mg；
(2) Selecting sugarcane seedlings with roots, which are free of plant diseases and insect pests and have stems not lower than 3cm, flushing the seedlings with transitional nutrient solution, and wrapping and fixing the seedlings on planting holes through sponge;
(3) After new roots come out, the nutrient solution with standard concentration is diluted by one time and then used for watering sugarcane seedlings, wherein the nutrient solution is watered every 3-7 days in daily, wherein the nutrient solution is watered for 1 time in spring, summer and autumn for 3-4 days, the nutrient solution is watered for 1 time in winter for 5-7 days, the diluted nutrient solution is not watered in afternoon and evening in overcast and rainy days, the diluted nutrient solution is watered for 1 time for She Huangshi-4 days, the diluted nutrient solution is watered for 1 time for 6-8 days in black leaves, and each timeSecondary pouring nutrient solution 12000-15000 mL/m 3 ；
(4) The sugarcane grows to 3-5 leaf stage, and is replaced by 2/3 times of nutrient solution with standard concentration, and each time of solution is poured with 12000-15000 mL/m 3 The nutrient solution is poured once every 3 to 7 days, wherein the nutrient solution is poured 1 time in spring, summer and autumn for 3 to 4 days and 1 time in winter for 5 to 7 days;
(5) The sugarcane is grown to 6-7 leaf stage, and is replaced by 1 time of standard concentration nutrient solution, and 15000-20000 mL/m standard nutrient solution is poured each time 3 The nutrient solution is poured once every 3 to 7 days, wherein the nutrient solution is poured 1 time in spring, summer and autumn for 3 to 4 days and 1 time in winter for 5 to 7 days;
(6) Adding KH into 1-time standard concentration nutrient solution for sugarcane to reach 12-13 leaf stage 2 Spraying PO4 fertilizer to root system for 1 time every 7d, adding KH every time 2 Nutrient solution 25000-35000 mL/m of PO4 fertilizer 3 ，KH 2 The addition amount of the PO4 fertilizer is 250-350mg/L;
(7) Oxygen supply conditions: continuously supplying oxygen and stopping supplying oxygen for 1 hour respectively, and alternately performing;
the water culture box comprises a box body with a flip structure, a liquid inlet is arranged above the box body, a liquid outlet is arranged below the box body, and planting holes are formed in the flip of the box body at intervals; the upper part of the box body below the planting hole is provided with a water planting filter box, a supporting block is arranged in the box body, and the water planting filter box is detachably erected on the supporting block; the bottom of the water culture filter tank is provided with a liquid outlet hole and a hole cover, and the side wall of the water culture filter tank is provided with a liquid level control opening; still be equipped with trinity immersible pump in the box in the water planting rose box outside, trinity immersible pump includes water pump and feed liquor pipe, drain pipe and the oxygenation pipe of being connected with the water pump, the water pump communicates with the timer circuit of locating outside the box, the oxygenation pipe links to each other with the play oxygen regulation pole, it extends to outside the box to go out the oxygen regulation pole end, the feed liquor pipe tip is equipped with the drainage cover, the drain pipe links to each other with the shower of taking the shower nozzle, the shower pipe is set up in the water planting rose box top, the shower nozzle locate the both sides of shower, with it is corresponding to plant the hole.
2. The sugarcane hydroponics method of claim 1, further comprising pest control management: spraying 600-700 times of 40% Dimethoate emulsion to prevent and treat sugarcane aphid; the method comprises the steps of using 500-750 times of 1.8% avermectin and 3000 times of Dupont 'Kangguan' insecticide to prevent and treat sugarcane borer, spraying 1 time every 15 days, and spraying 2 times in total; the 50% carbendazim wettable powder is used for controlling sugarcane tip rot, brown streak and black rot by 500-1000 times of liquid, and the spraying is carried out 1 time every 10 days for 2 times.
3. The sugarcane water planting method according to claim 1, wherein the box body and the water planting filter box are transparent, a detachable light-shielding cover is arranged on the outer side of the box body, and an inverted U-shaped zipper-type observation opening is formed in the light-shielding cover.
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| CN113776874B (en) * | 2021-09-17 | 2023-07-07 | 山西农业大学 | A Portable Agricultural Plant Protection Monitoring Device |
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