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CN101665390A - Suspension type liquid compound fertilizer and preparation method thereof - Google Patents

Suspension type liquid compound fertilizer and preparation method thereof Download PDF

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Publication number
CN101665390A
CN101665390A CN200910192150A CN200910192150A CN101665390A CN 101665390 A CN101665390 A CN 101665390A CN 200910192150 A CN200910192150 A CN 200910192150A CN 200910192150 A CN200910192150 A CN 200910192150A CN 101665390 A CN101665390 A CN 101665390A
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parts
weight
fertilizer
suspension
type liquid
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CN101665390B (en
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张承林
胡克纬
涂攀峰
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South China Agricultural University
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South China Agricultural University
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Abstract

本发明公开了悬浮型液体复合肥料及其制备方法。所述悬浮型液体复合肥料包括22～38重量份的悬浮剂母液和78～62重量份的氮肥、磷肥、钾肥和微量元素；所述悬浮剂母液包括4～12重量份的羟乙基纤维素、3～7重量份的二氧化硅和15～19重量份的水。本发明肥料稳定性和均一性都很好，能同时为作物提供微量元素肥料养分，使得作物在吸收大量元素的同时也可以补充微量元素，养分利用率高，为农民节省大量的劳动力成本和肥料成本。The invention discloses a suspension type liquid compound fertilizer and a preparation method thereof. The suspension-type liquid compound fertilizer includes 22-38 parts by weight of the suspension agent mother liquor and 78-62 parts by weight of nitrogen fertilizer, phosphate fertilizer, potassium fertilizer and trace elements; the suspension agent mother liquor includes 4-12 parts by weight of hydroxyethyl cellulose , 3-7 parts by weight of silicon dioxide and 15-19 parts by weight of water. The fertilizer of the invention has good stability and uniformity, and can simultaneously provide crops with trace element fertilizer nutrients, so that crops can also supplement trace elements while absorbing a large amount of elements, and the nutrient utilization rate is high, saving farmers a lot of labor costs and fertilizers cost.

Description

Suspension type liquid compound fertilizer and preparation method thereof
Technical field
The invention belongs to field of agricultural production technologies, be specifically related to a large amount of and middle trace element fertilizer that a kind of farm crop are used, especially a kind of suspension type liquid compound fertilizer and preparation method thereof.
Background technology
Along with the modern facilities Agricultural Development, applying of pipeline fertilizer practice, drip irrigation and sprinkler irrigation fertilization technology begin to popularize in China, and this The Application of Technology must could realize fertilizer is water-soluble, and increasing peasant uses fertilizer after water-soluble.
Meanwhile, compound manure obtains application more and more widely, and still, because the limitation of technology, the composite fertilizer overwhelming majority that domestic manufacturer produces is a solid form, and existing compound manure all is that particulate state is used to spread fertilizer over the fields.The peasant finds that these fertilizer are insoluble in water when using as water-soluble fertilizer in conjunction with the pipeline fertilizer practice or with it.
Therefore, the demand of China's liquid fertilizer is very big.Liquid fertilizer is called fluid fertilizer again, comprises clear liquid type, suspension type and sludge-type.But the research of the liquid fertilizer of China is in relatively backward state always, and the compound manure of liquid form is few, though some producer can produce liquid fertilizer, and, these liquid hypertrophys all are the lower clear liquid fertilizer of nutrient content, have also increased transportation cost.Suspension type liquid compound fertilizer is blank in the research of China basically.
Suspension type liquid compound fertilizer is the fluid composite fertilizer that is added with suspension agent, and as a kind of novel efficient compound fertilizer, suspension type liquid compound fertilizer has the following advantages: 1, production cost is relatively low, and equipment is simple, less investment; 2, dust can not occur in producing, using, transport, smog pollutes few; 3, product does not exist moisture absorption and agglomeration problems; 4, can with sterilant, sterilant, herbicide mixture, and can mix; 5, can in accumulating, not produce segregation; 6, can foliage-spray, Sui Shuichong executes, also can sprinkling irrigation, drip irrigation or pouring, easy to use, save time, the saving of labor, produce effects fast; 7, raw material can be selected some raw product, reduces production costs greatly; 8, nutrient content can increase substantially with respect to clear liquid fertilizer, or the like.This shows that suspension type liquid compound fertilizer has important promoter action to the crop production of China.
The liquid fertilizer that provides in the market all is monobasic or two element fertilizers, the ternary liquid fertilizer seldom, and contain the trace element ternary liquid fertilizer rarer.The high-quality liquid fertilizer that the peasant uses now nearly all is external import, and price is very expensive, has increased production cost.
Summary of the invention
The objective of the invention is to overcome the deficiency of existing liquid fertilizer, provide a kind of homogeneity and suspension good suspension type liquid compound fertilizer, wherein contain trace element in nitrogen, phosphorus, potassium and the part, can satisfy the crop growth needs.
Another object of the present invention provides the preparation method of described suspension type liquid compound fertilizer.
Purpose of the present invention is achieved by the following technical programs:
A kind of suspension type liquid compound fertilizer is provided, comprises 22～38 parts suspension agent mother liquor and 78～62 parts nitrogenous fertilizer, phosphate fertilizer, potash fertilizer and trace element; Described suspension agent mother liquor comprises 4～12 parts Natvosol, 3～7 parts silicon-dioxide and 15～19 parts water; Described umber is a weight part.
Preferably, described suspension agent liquid composite fertilizer comprises 30 parts suspension agent mother liquor and 70 parts nitrogenous fertilizer, phosphate fertilizer, potash fertilizer and trace element; Described suspension agent mother liquor comprises 8 parts Natvosol, 5 parts silicon-dioxide and 17 parts water; Described umber is a weight part.
The proportioning of described nitrogenous fertilizer, phosphate fertilizer, potash fertilizer and trace element can determine that as a preferred scheme, suspension type liquid compound fertilizer of the present invention comprises the each component that following weight parts is formed according to routine techniques:
Urea 20～40 weight parts;
Vitriolate of tartar 5～15 weight parts;
Potassium primary phosphate 15～30 weight parts;
Natvosol 4～12 weight parts;
Silicon-dioxide 3～7 weight parts;
Zinc sulfate 4～8 weight parts;
Manganous sulfate 2～6 weight parts;
Water 15～19 weight parts.
As preferred version, suspension type liquid compound fertilizer of the present invention comprises the each component that following weight parts is formed:
Urea 30 weight parts;
Vitriolate of tartar 10 weight parts;
Potassium primary phosphate 20 weight parts;
Natvosol 8 weight parts;
Silicon-dioxide 5 weight parts;
Zinc sulfate 6 weight parts;
Manganous sulfate 4 weight parts;
Water 17 weight parts.
The present invention provides the preparation method of described suspension type liquid compound fertilizer simultaneously, may further comprise the steps:
(1) Natvosol is added adding silicon-dioxide in dissolving back in the hot water, silicon-dioxide dissolving back is stirred and is obtained the suspension agent mother liquor;
(2) add nitrogenous fertilizer, phosphate fertilizer, potash fertilizer and trace element successively, add the another one component again after fully stirring evenly after every adding is a kind of;
(3) all component adds the back stirring.
The described hot water temperature of step (1) is 75～85 ℃; Described churning time is 10～15 minutes.
The described churning time of step (3) is 10～15 minutes.
The using method of suspension fertilizer of the present invention is:
Suspension fertilizer has a small amount of deposition bottom placing too for a long time, dissolving again after fully shaking up before the use; The per kilogram suspension fertilizer is converted about 200 kilograms of water, drenches in crop root after stirring, and drenches clear water again one time drenched fertilizer when using on vegetables after, and the solution on the blade is washed away.
The invention has the beneficial effects as follows:
The present invention has selected good suspension agent and auxiliary agent, and definite proportioning, is used for preparing the suspension agent compound manure and can obtains good stability and homogeneity, and crop absorbs fast, the plant recovery of nutrient height.On the basis of suspension agent mother liquor, can prepare compound manure as required, except successfully preparing suspension agent fertilizer and having all advantages of existing suspension agent, the ternary liquid fertilizer that contains trace element more is provided, solved the technical barrier that trace element and fertilizer are used, for crop provides grow required macroelement and micronutrient simultaneously, can solve the nutritional deficiency symptom that process of crop growth occurs, fill up domestic blank.
Production cost of the present invention is low, and equipment is simple, and less investment is finally produced the minimizing cost for the peasant.
Embodiment
Further describe the present invention below in conjunction with specific embodiment.
Embodiment 1
Prepare raw material according to following portions by weight:
Urea 30 weight parts;
Vitriolate of tartar 10 weight parts;
Potassium primary phosphate 20 weight parts;
Natvosol 8 weight parts;
Silicon-dioxide 5 weight parts;
Zinc sulfate 6 weight parts;
Manganous sulfate 4 weight parts;
Water 17 weight parts.
Wherein, the suspension agent mother liquor accounts for 30 weight parts.
Concrete preparation method is:
(1) Natvosol and silicon-dioxide are mixed with the suspension agent mother liquor: concrete way is as follows: water is heated to 80 ℃ begins to add behind the Natvosol and stir, maintain the temperature at 80 ℃, the limit adds the Natvosol limit stirs, and makes the Natvosol dissolving; Add silicon-dioxide then, stir while adding, added behind two kinds of compositions restir 10～15 minutes, make two kinds of abundant mixings of component;
(2) add urea, vitriolate of tartar, potassium primary phosphate, zinc sulfate, manganous sulfate successively in the suspension agent mother liquor of step (1) preparation, every adding adds the another one component after fully stirring evenly after a kind of again in the reinforced process;
(3) all components add the abundant stirring in back 10～15 minutes.
(4) after the stirring finished product is packaged in the liquid storing bucket of 30L fully.
It is very good to adopt People's Republic of China's agricultural industry criteria (NY 1107-2006) to record the comprehensive content's index of fertilizer, is shown in Table 1.
Suspension fertilizer has a small amount of deposition bottom placing too for a long time, dissolving again after fully shaking up before the use; The per kilogram suspension fertilizer is converted about 150～250 kilograms of water, drenches in crop root after stirring, and drenches clear water again one time drenched fertilizer when using on vegetables after, and the solution on the blade is washed away.
Embodiment 2
Prepare raw material according to following portions by weight:
Urea 35 weight parts;
Vitriolate of tartar 15 weight parts;
Potassium primary phosphate 15 weight parts;
Natvosol 6 weight parts;
Silicon-dioxide 5 weight parts;
Zinc sulfate 4 weight parts;
Manganous sulfate 3 weight parts;
Water 17 weight parts.
Wherein, the suspension agent mother liquor accounts for 28 weight parts.
Concrete preparation method is:
(1) Natvosol and silicon-dioxide are mixed with the suspension agent mother liquor: concrete way is as follows: water is heated to 85 ℃ begins to add behind the Natvosol and stir, maintain the temperature at 85 ℃, the limit adds the Natvosol limit stirs, and makes the Natvosol dissolving; Add silicon-dioxide then, stir while adding, added behind two kinds of compositions restir 10～15 minutes, make two kinds of abundant mixings of component;
(2) add urea, vitriolate of tartar, potassium primary phosphate, zinc sulfate, manganous sulfate successively in the suspension agent mother liquor of step (1) preparation, every adding adds the another one component after fully stirring evenly after a kind of again in the reinforced process;
(3) all components add the abundant stirring in back 10～15 minutes.
(4) after the stirring finished product is packaged in the liquid storing bucket of 30L fully.
Using method is with reference to embodiment 1.
Embodiment 3
Prepare raw material according to following portions by weight:
Urea 30 weight parts;
Vitriolate of tartar 15 weight parts;
Potassium primary phosphate 17 weight parts;
Natvosol 7 weight parts;
Silicon-dioxide 5 weight parts;
Zinc sulfate 3 weight parts;
Manganous sulfate 4 weight parts;
Water 19 weight parts.
Wherein, the suspension agent mother liquor accounts for 31 weight parts.
Concrete preparation method is:
(1) Natvosol and silicon-dioxide are mixed with the suspension agent mother liquor: concrete way is as follows: water is heated to 75 ℃ begins to add behind the Natvosol and stir, maintain the temperature at 75 ℃, the limit adds the Natvosol limit stirs, and makes the Natvosol dissolving; Add silicon-dioxide then, stir while adding, added behind two kinds of compositions restir 10～15 minutes, make two kinds of abundant mixings of component;
(2) add urea, vitriolate of tartar, potassium primary phosphate, zinc sulfate, manganous sulfate successively in the suspension agent mother liquor of step (1) preparation, every adding adds the another one component after fully stirring evenly after a kind of again in the reinforced process;
(3) all components add the abundant stirring in back 10～15 minutes.
(4) after the stirring finished product is packaged in the liquid storing bucket of 30L fully.
Using method is with reference to embodiment 1.
Embodiment 4
Urea 20 weight parts;
Vitriolate of tartar 5 weight parts;
Potassium primary phosphate 30 weight parts;
Natvosol 12 weight parts;
Silicon-dioxide 7 weight parts;
Zinc sulfate 3 weight parts;
Manganous sulfate 4 weight parts;
Water 19 weight parts.
Wherein, the suspension agent mother liquor accounts for 38 weight parts.The preparation method is with embodiment 3.
Embodiment 5
Urea 37 weight parts;
Vitriolate of tartar 10 weight parts;
Potassium primary phosphate 18 weight parts;
Natvosol 7 weight parts;
Silicon-dioxide 6 weight parts;
Zinc sulfate 5 weight parts;
Manganous sulfate 2 weight parts;
Water 15 weight parts.
Wherein, the suspension agent mother liquor accounts for 28 weight parts, and nitrogenous fertilizer, phosphate fertilizer, potash fertilizer and micro-total amount account for 78 weight parts.The preparation method is with embodiment 3.
The performance test of embodiment 6 suspension type compound manure of the present invention
The suspension type compound manure that the embodiment of the invention 1～5 prepares with the fertilizer nutrient particle suspension in liquid, thereby form high dispersing, the liquid fertilizer of nutrient content height, good fluidity.The content's index that adopts People's Republic of China's agricultural industry criteria (NY 1107-2006) to record fertilizer sees Table 1.
Table 1 suspension fertilizer quality index
Embodiment 1 Embodiment 2 Embodiment 3 Embodiment 4 Embodiment 5
Nitrogenous (N) 193g/L ??222g/L ??191g/L ??125g/L ??234g/L
Phosphorous (P 2O 5) 146g/L ??107g/L ??122g/L ??212g/L ??129g/L
Contain potassium (K 2O) 166g/L ??173g/L ??184g/L ??172g/L ??153g/L
Contain trace element 48g/L ??33g/L ??32g/L ??32g/L ??33g/L
Moisture 17％ ??17％ ??19％ ??19％ ??15％
Density 1.40g/cm3 1.38g/cm3 1.39g/cm3 1.36g/cm3 1.38g/cm3
Outward appearance Milky white liquid Milky white liquid Milky white liquid Milky white liquid Milky white liquid
Homogeneity Well Well Well Well Well
Suspension Well Well Well Well Well
Packing Blue plastic cement bucket Blue plastic cement bucket Blue plastic cement bucket Blue plastic cement bucket Blue plastic cement bucket
Packing specifications The 30Kg/ bucket The 30Kg/ bucket The 30Kg/ bucket The 30Kg/ bucket The 30Kg/ bucket
The application test of embodiment 7 suspension type compound manure of the present invention
With the cabbage heart is trial crops, with Norway composite fertilizer 15-15-15 (water-soluble entirely) and green emerging liquid fertilizer (the green emerging composite fertilizer in Yunfu City, Guangdong Province (Xijiang River) company limited, Yunfu, Guangdong.Organic: 30, humic acids: 8, N+P 2O 5+ K 2O 〉=4%) be contrast product, the suspension type compound manure for preparing with embodiment 1～5 is that test sample carries out manure trial research to suspension type compound manure of the present invention.
Test method:
Rate of fertilizer application is according to the standard of pot experiment, nitrogen is 0.17g/kg soil, phosphorus is 0.14g/kg soil, potassium is 0.17g/kg soil, the basin of this test is selected the basin of adorning 20 kilograms of soil for use, and amounting to every basin soil needs nitrogen 3.4g, needs phosphorus 2.7g, need potassium 3.4g, three kinds of fertilizer are used the dosage of identical nitrogen, phosphorus, potassium nutrition content simultaneously.
According to being accustomed to fertile of peasant, one jin of fertilizer is converted 160 jin in water.The whole growth phase of cabbage heart is roughly 45 days.Fertilising in per 6～7 days once imposes 6 times, promptly imposes suspension type compound manure 4g of the present invention at every turn, converts even pouring of water 300g and executes.Pouring is drenched the 300g clear water after executing suspension type compound manure solution of the present invention again.The usage of Norway composite fertilizer 15-15-15 and green emerging liquid fertilizer is the same.Blank is handled and is not applied fertilizer, and applies the clear water of equivalent at every turn.
Test-results:
What (1) average specific collection period of using the cabbage heart of suspension type compound manure of the present invention was used Norway composite fertilizer and green emerging liquid fertilizer has shifted to an earlier date 3 days respectively and 5 days, and the cabbage heart that blank is handled can not normally be finished whole growing.
(2) mean yield of cabbage heart of using suspension type compound manure of the present invention is than the difference of using Norway composite fertilizer and green emerging liquid fertilizer high 15% and 30%, and the cabbage heart that blank is handled does not have output substantially.
(3) stem/leaf ratio of using the cabbage heart of suspension type compound manure of the present invention is used the tender of Norway composite fertilizer and green emerging liquid fertilizer, by appearance method notable difference as can be seen, especially it is obviously good to use the suspension type compound manure cabbage heart growing way that embodiment 1 prepares, and range estimation cauline leaf fertilizer is tender.And the yellow number of sheets of using the cabbage heart of suspension type compound manure of the present invention lacks 10% and 15% respectively than what use Norway composite fertilizer and green emerging liquid fertilizer.

Claims (8)

1、一种悬浮型液体复合肥料，其特征在于包括22～38份的悬浮剂母液和78～62份的氮肥、磷肥、钾肥和微量元素；所述悬浮剂母液包括4～12份的羟乙基纤维素、3～7份的二氧化硅和15～19份的水；所述份数为重量份。1. A suspension type liquid compound fertilizer, characterized in that it comprises 22 to 38 parts of suspending agent mother liquor and 78 to 62 parts of nitrogen fertilizer, phosphate fertilizer, potash fertilizer and trace elements; said suspending agent mother liquor includes 4 to 12 parts of hydroxyethyl ether Base cellulose, 3-7 parts of silicon dioxide and 15-19 parts of water; the parts are parts by weight. 2、根据权利要求1所述的悬浮型液体复合肥料，其特征在于包括30份的悬浮剂母液和70份的氮肥、磷肥、钾肥和微量元素；所述悬浮剂母液包括8份的羟乙基纤维素、5份的二氧化硅和17份的水；所述份数为重量份。2. The suspension-type liquid compound fertilizer according to claim 1, characterized in that it comprises 30 parts of suspending agent mother liquor and 70 parts of nitrogen fertilizer, phosphate fertilizer, potassium fertilizer and trace elements; said suspending agent mother liquor includes 8 parts of hydroxyethyl Cellulose, 5 parts of silicon dioxide and 17 parts of water; said parts are parts by weight. 3、根据权利要求1或2所述的悬浮型液体复合肥料，其特征在于包括下述重量份组成的各组份：3. The suspension-type liquid compound fertilizer according to claim 1 or 2, characterized in that it comprises the following components in parts by weight: 尿素            20～40重量份；Urea 20-40 parts by weight; 硫酸钾          5～15重量份；Potassium sulfate 5～15 parts by weight; 磷酸二氢钾      15～30重量份；Potassium dihydrogen phosphate 15-30 parts by weight; 羟乙基纤维素    4～12重量份；Hydroxyethyl cellulose 4～12 parts by weight; 二氧化硅        3～7重量份；Silica 3-7 parts by weight; 硫酸锌          4～8重量份；Zinc sulfate 4～8 parts by weight; 硫酸锰          2～6重量份；Manganese sulfate 2 to 6 parts by weight; 水              15～19重量份。15-19 parts by weight of water. 4、根据权利要求3所述的悬浮型液体复合肥料，其特征在于包括下述重量份组成的各组份：4. The suspension-type liquid compound fertilizer according to claim 3, characterized in that it comprises the following components in parts by weight: 尿素            30重量份；Urea 30 parts by weight; 硫酸钾          10重量份；Potassium sulfate 10 parts by weight; 磷酸二氢钾      20重量份；Potassium dihydrogen phosphate 20 parts by weight; 羟乙基纤维素    8重量份；Hydroxyethyl cellulose 8 parts by weight; 二氧化硅        5重量份；Silica 5 parts by weight; 硫酸锌          6重量份；Zinc sulfate 6 parts by weight; 硫酸锰          4重量份；Manganese sulfate 4 parts by weight; 水              17重量份。Water 17 parts by weight. 5、一种权利要求1或2所述悬浮型液体复合肥料的制备方法，其特征在于包括以下步骤：5. A method for preparing a suspension-type liquid compound fertilizer according to claim 1 or 2, characterized in that it comprises the following steps: (1)将羟乙基纤维素加入热水中溶解后加入二氧化硅，二氧化硅溶解后搅拌得到悬浮剂母液；(1) adding silicon dioxide after dissolving hydroxyethyl cellulose in hot water, stirring after the silicon dioxide dissolves to obtain the mother liquor of the suspension; (2)依次加入氮肥、磷肥、钾肥和微量元素，每加入一种后充分搅匀后再加入另外一个组分；(2) Add nitrogen fertilizer, phosphate fertilizer, potash fertilizer and trace elements in sequence, and stir thoroughly after each addition of one and then add another component; (3)全部组份加完后搅拌即得。(3) Stir after adding all the components. 6、根据权利要求5所述的制备方法，其特征在于步骤(1)所述热水温度为75～85℃所述搅拌时间为10～15分钟。6. The preparation method according to claim 5, characterized in that the temperature of the hot water in step (1) is 75-85°C and the stirring time is 10-15 minutes. 7、根据权利要求5所述的制备方法，其特征在于步骤(3)所述的搅拌时间为10～15分钟。7. The preparation method according to claim 5, characterized in that the stirring time in step (3) is 10-15 minutes. 8、一种权利要求1或2所述悬浮型液体复合肥料的使用方法，其特征在于每公斤所述悬浮型液体复合肥料兑水200公斤，搅拌均匀后淋于作物根部，淋完肥料后再淋一次清水。8. A method for using the suspension-type liquid compound fertilizer according to claim 1 or 2, characterized in that per kilogram of the suspension-type liquid compound fertilizer is mixed with 200 kg of water, stirred evenly and poured on the roots of the crops, and after the fertilizer is drenched Drizzle with water once.
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