CN102875248B - Controlled-release water-soluble fertilizer containing humic acid and preparation method of fertilizer - Google Patents
Controlled-release water-soluble fertilizer containing humic acid and preparation method of fertilizer Download PDFInfo
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- CN102875248B CN102875248B CN201210423539.9A CN201210423539A CN102875248B CN 102875248 B CN102875248 B CN 102875248B CN 201210423539 A CN201210423539 A CN 201210423539A CN 102875248 B CN102875248 B CN 102875248B
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Abstract
The invention relates to a controlled-release water-soluble fertilizer containing humic acid. The fertilizer comprises the raw materials by weight percent: 5-10% of humic acid, 15-20% of zinc sulfate, 20-25% of borax, 45-60% of magnesium sulfate, 0.2-2% of poly-aspartic acid, 0.5-2% of ethylenediamine tetraacetic acid disodium and 0.1-0.5% of caproic acid diethylamino alcohol ester. In the fertilizer, potassium humate is taken as a raw material, a little amount of poly-aspartic acid and ethylenediamine tetraacetic acid disodium are added into the raw material, so that three elements including Zn, B and Mg are complexed after being dissolved or in the dissolving process, and slowly released to the soil, and then absorbed by crops, thus the fertilizer nutrient is prevented from running off, and the absorption utilization rate of the nutrient substance can be improved; the product is convenient to use, and can be used as seed fertilizer or base fertilizer; the product can be instantly and completely dissolved, and is applied by flushing or spraying and drop irrigation; the controlled-release water-soluble fertilizer containing humic acid is the first choice for realizing efficient water-saving agriculture and integrating water and fertilizer. The controlled-release water-soluble fertilizer containing humic acid is especially suitable for supplementing trace elements such as Zn, B and Mg for commercial crops such as vegetables, seed production corns, oil crops, fruit trees and grapes which have high requirement for the fertilizer application level.
Description
Technical field
The present invention relates to field of fertilizer production, particularly a kind of containing the water-soluble fertilizer of humic acid slow release, the present invention also comprises the preparation method of this water-soluble fertilizer.
Background technology
Scientific research shows, soil fertility depends on the content of humic acid in soil to a great extent, increases soil humic acid and can improve soil.It can improve the physical structure of soil, and the acid-basicity of sweetening of the soil regulates pH value; Can adsorb, a lot of mineral elements in exchange, activating soil, as nitrogen, phosphorus, potassium, calcium, zinc, boron, magnesium etc., the metallic cation of chelating insoluble is beneficial to root or Foliage Absorption utilization; Keep moisture at the root of crop, solubilized inorganic fertilizer and then reduce their loss; Reduce reacting of phosphorus and calcium, iron, magnesium, aluminium, or convert them to can be absorbed and used by plants form from invalid state; Can reduce the toxic substance in soil.Humic acid also has promoter action to crop growthing development, thereby increases the output of farm crop, improves its physical appearance and nutritive value simultaneously.Crop applying humic acid, main way be by directly impose containing the material of humic acid or bottom application in land for growing field crops., there is following shortcoming in conventional zinc fertilizer, boron fertilizer or fertiliser containing magnesium etc.: the one, and nutritive element is single; The 2nd, trace element is easy to be fixed or run off in soil, thereby can not well absorb by crop fertilizer utilization rate variance; The 3rd, effect and effect only limit to supplement the nutrients or improvement soil, and the 4th, solubility property does not ensure or dissolves not exclusively, is unfavorable for spray, drip irrigation etc.Product of the present invention is a kind of compound product, and single-dose application, has multi-efficiency effect.
Summary of the invention
Technical problem to be solved by this invention is to overcome the deficiencies in the prior art, provides a kind of containing the water-soluble fertilizer of humic acid slow-releasing, and the present invention also provides the preparation method of this water-soluble fertilizer.
The present invention adopts following technical proposals to solve its technical problem:
A kind of containing the water-soluble fertilizer of humic acid slow release, be prepared from by following raw material and weight proportion:
Humic acids 5-10%, zinc sulfate 15-20%, borax 20-25%, magnesium sulfate 45-60%, poly aspartic acid 0.2-2%, disodium ethylene diamine tetraacetate 0.5-2%, sour diethylaminoethanol ester 0.1-0.5%.
Described humic acids is selected from the mineral substance potassium fulvate of reproducibility, quality percentage composition>=50% of xanthohumic acid, K
2quality percentage composition>=10% of O.
Described zinc sulfate is agricultural Zinc Sulphate Heptahydrate, and zinc content is 20%.
Described magnesium sulfate is magnesium sulfate heptahydrate, and Mg content is 9.8%.
Described borax is borax decahydrate, and boron content is 17.5%.
Described a kind of preparation method containing the water-soluble fertilizer of humic acid slow release comprises the steps:
(1) corruption is planted to aspartic acid and mix, 200～300 order levels are pulverized, and it is mixed;
(2) zinc sulfate, borax, magnesium sulfate are crushed to after 200～300 orders, add the mixture of above-mentioned (1) gained, be uniformly mixed;
(3) mixture is promoted to secondary stirring feeding machine, discharging while stirring, packing.
The mixture of described step 3 through stirring, then through pair roller extruder grain, granulation agent, packing.
Beneficial effect of the present invention is:
(1), the present invention is taking potassium fulvate as raw material, add minute quantity poly aspartic acid and disodium ethylene diamine tetraacetate simultaneously, make zinc, boron, three kinds of elements of magnesium after dissolving or in dissolution process by complexing, and be discharged into lentamente in soil, thereby absorbed by crops, reduce the loss of fertilizer nutrient, greatly improved the absorption rate of nutritive substance;
(2) potassium fulvate, in the present invention is the full biomass raw material of brown coal, weathered coal regeneration, has realized comprehensive utilization of resources, can improve soil, raising and improve crop quality simultaneously;
(3), in the present invention, added sour diethylaminoethanol ester cell-activating agent, promote photosynthesis or the respirations in vegetable cell such as moisture, nutritive ingredient and chlorophyll, improve the speed that crop " initiatively " absorbs nutritive substance, strengthen the resistance of crop, thereby significantly improved fertilizer efficiency;
(4), the present invention is complete molten instant, is organic-inorganic Compound Water dissolubility fertilizer, has multi-efficiency, utilization rate of fertilizer is high, ecological safety, environmental friendliness, is extremely applicable to spray drip irrigation or foliage-spray;
(5), production technique of the present invention is simple, product performance are stable, usage is flexible, product cost is low, is beneficial to produce and popularization realizes economy and social benefit.
(6) product of the present invention after testing rat oral toxicity be low toxicity, ecological safety, environmental friendliness.Product is easy to use, can be used as seed manure, also can execute by base; Product is instant, Quan Rong, can rush and execute, and also can spray, and simultaneously can be used for again drip irrigation, is the first-selected product of realizing high-efficiency water-saving agricultural and realize water-fertilizer integral.Being specially adapted to vegetables, seed production corn, oil crops, fruit tree, grape etc. requires high cash crop to supplement the trace elements such as zinc, boron, magnesium to Fertilization Level.
Embodiment
Below in conjunction with embodiment, the present invention is described in detail.
Embodiment 1,
Potassium fulvate used in the present invention (containing humic acids 50%) is produced by morningstar lily Long Shou Chemical Co., Ltd., and zinc sulfate (containing Zn 23%) is produced by Zhangye iron alloy company limited; Boric acid (containing B17.4%) is produced by Gansu Rui Chuan Chemical Co., Ltd.; Magnesium sulfate is produced by Gansu Rui Chuan Chemical Co., Ltd., and sour diethylaminoethanol ester (molecular weight 391.3) is produced by Weifang Lv Pu biochemical industry Science and Technology Ltd.; Make disodium ethylene diamine tetraacetate into, poly aspartic acid (molecular weight 4300) is produced by Shandong Bandaid chemical preparations company limited.
(1) 50kg potassium fulvate is mixed with the sour diethylaminoethanol ester of 5kg, 5kg disodium ethylene diamine tetraacetate, 20kg poly aspartic acid, 300 order levels are pulverized, and it is mixed;
(2) 200kg zinc sulfate, 250kg borax, 450kg magnesium sulfate are crushed to after 200 orders, add with the mixture of above-mentioned (1) and be stirred to and mix;
(3) mixture is promoted to secondary stirring feeding machine, discharging while stirring packaging.
Embodiment 2,
(1) 100kg potassium fulvate is mixed with the sour diethylaminoethanol ester of 1kg, 2kg disodium ethylene diamine tetraacetate, 2kg poly aspartic acid, 200 order levels are pulverized, and it is mixed;
(2) 150kg zinc sulfate, 200kg borax, boric acid, 600kg magnesium sulfate are pulverized after 300 orders, added with the mixture of above-mentioned (1) and be stirred to and mix;
(3) mixture is promoted to secondary stirring feeding machine, discharging while stirring, through pair roller extruder grain, granulation agent, then pack.
Embodiment 3,
The consumption of various raw materials is: humic acids 100kg, poly aspartic acid 20kg, disodium ethylene diamine tetraacetate 20kg, zinc sulfate 150kg, boric acid 250kg, magnesium sulfate 455kg, sour diethylaminoethanol ester 5kg;
Processing step leads to embodiment 1
Seed production corn of the present invention land for growing field crops manurial experiment: planting in corn field of Dang Zhai town, Ganzhou District, Zhangye City, Gansu Province Li Ji China of Hua Jiawa village, taking existing Zheng Dan 958 as test kind, every mu of base is executed 10 kilograms of products of the present invention, taking 10 kilograms of the common zinc boric magnesium fertilizers that does not add humic acid and auxiliary agent of filling a prescription equally as contrast, other fertilising is identical with control measures, test-results: contrast average yield per mu is 623.5kg, the per mu yield of using product of the present invention is 677.7 kilograms, stimulation ratio is 8.7%.
Rape field manurial experiment: in Minyue County of Gansu Province forever in the Rapeseed Field of the large loyalty of Guzhen Zhao Zhuan village Liu, taking assorted No. 305 rapes of existing green grass or young crops as test kind, the every mu of amount of sowing is 400 grams, every mu of base is executed 10 kilograms, 50 kilograms+phosphate fertilizer of product 15 kilograms+bis-ammoniums 10 kilograms+carbon ammonium of the present invention, execute 20 kilograms, 100 kilograms+phosphate fertilizer of two ammoniums, 20 kilograms+carbon ammonium as contrast taking every mu of base, other water and fertilizer management measure is identical.Test-results: contrast average yield per mu is 181.5kg, the per mu yield of using product of the present invention is 225.8 kilograms, stimulation ratio is 24.4%.
Wild cabbage community planting experiment: in Hua Jiawa village, Dang Zhai town, Ganzhou District, Zhangye City, Gansu Province horse is passed the civil service examinations the contracted field of family, for to study thing be wild cabbage, kind in being sweet No. 11.This plot physical features is smooth, and preceding crop is corn, and after autumn harvest, flat ridge stubble-cleaning, ploughs deeply winter irrigation and hold moisture in the soil, and soil is loam.There is product of the present invention, urea, phosphorus two ammoniums, potassium sulfate for examination fertilizer.Four processing are established in test, repeat field random alignment, community area 30m for 3 times
2.Each processing is as follows:
Process 1: on the basis of conventional fertilizer application (exist together and manage 4 with metering method), be watered 45kg with the each 100g of product of the present invention vegetative period at wild cabbage, every spray in 15 days 1 time, spray altogether 3 times;
Process 2: on the basis of conventional fertilizer application (exist together and manage 4 with metering method), be watered 45kg with the each 150g of product of the present invention vegetative period at wild cabbage, every spray in 15 days 1 time, spray altogether 3 times;
Process 3: on the basis of conventional fertilizer application (exist together and manage 4 with metering method), be watered 45kg with the each 200g of product of the present invention vegetative period at wild cabbage, every spray in 15 days 1 time, spray altogether 3 times;
Process 4: conventional fertilizer application (contrast), urea 2.3kg+ phosphorus two ammonium 1.1kg+ potassium sulfate 0.8 kg/communities, phosphorus, potash fertilizer all make base manure, and urea 1.4 kg make base manure, and 0.9 kg imposed at twice in rosette state and heading stage; Every 1 clear water of spray in 15 days, spray altogether 3 times on this basis.
Test-results shows, each processing with respect to the wild cabbage stimulation ratio contrasting more than 6.27%.
Claims (7)
1. containing the water-soluble fertilizer of humic acid slow release, it is characterized in that being prepared from by following raw material and weight proportion: humic acids 5-10%, zinc sulfate 15-20%, borax 20-25%, magnesium sulfate 45-60%, poly aspartic acid 0.2-2%, disodium ethylene diamine tetraacetate 0.5-2%, sour diethylaminoethanol ester 0.1-0.5%.
2. a kind of containing the water-soluble fertilizer of humic acid slow release according to claim 1, it is characterized in that described humic acids is selected from the mineral substance potassium fulvate of reproducibility, quality percentage composition>=50% of humic acids in potassium fulvate, K
2quality percentage composition>=10% of O.
3. one, containing the water-soluble fertilizer of humic acid slow release, is characterized in that described zinc sulfate is agricultural Zinc Sulphate Heptahydrate according to claim 1, and zinc content is 20%.
4. a kind of containing the water-soluble fertilizer of humic acid slow release according to claim 1, it is characterized in that described magnesium sulfate is magnesium sulfate heptahydrate, Mg content is 9.8%.
5. a kind of containing the water-soluble fertilizer of humic acid slow release according to claim 1, it is characterized in that described borax is borax decahydrate, boron content is 17.5%.
6. a kind of preparation method containing the water-soluble fertilizer of humic acid slow release as claimed in claim 1, is characterized in that comprising the steps:
(1) humic acids is mixed with sour diethylaminoethanol ester, disodium ethylene diamine tetraacetate, poly aspartic acid, 200～300 order levels are pulverized, and it is mixed;
(2) zinc sulfate, borax, magnesium sulfate are crushed to after 200～300 orders, add the mixture of above-mentioned (1) gained, be uniformly mixed;
(3) mixture is promoted to secondary stirring feeding machine, discharging while stirring, packing.
7. a kind of preparation method containing the water-soluble fertilizer of humic acid slow release according to claim 6, is characterized in that the mixture of described step 3 through stirring, then through pair roller extruder grain, granulation agent, packing.
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Cited By (1)
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| US9914670B1 (en) | 2014-06-18 | 2018-03-13 | Kevin Merritt | Process for making a fully water-soluble humic acid granule |
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