Slow-release synergist granule for blended fertilizer, and preparation method and application method of slow-release synergist granule

A technology of synergist and granule, which is applied in fertilizer mixture, layered/coated fertilizer, application, etc. It can solve the problems of inconvenient use of powder form and prolong the short period of fertilizer effect, so as to achieve low cost, prolong the period of fertilizer effect and delay transformation Effect

Inactive Publication Date: 2015-03-25
张彬
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the synergists currently used generally have shortcomings such as a short period of extended fertilizer effect and inconvenient use in powder form.

Method used

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  • Slow-release synergist granule for blended fertilizer, and preparation method and application method of slow-release synergist granule
  • Slow-release synergist granule for blended fertilizer, and preparation method and application method of slow-release synergist granule

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Embodiment 1: Sustained-release synergist granule 1 is formed by granulating the following raw materials according to the stated weight ratio:

[0023] 10 parts of n-butylthiophosphoric triamide, 10 parts of 4-amino-1,2,4 triazole, 500 parts of ammonium humate, 200 parts of ammonium citrate, 800 parts of attapulgite, 20 parts of adhesive, The composition of the adhesive is water: polyvinyl alcohol: formaldehyde: hydrochloric acid: sodium hydroxide: urea=100:5:2:0.5:0.5:0.2 by weight.

Embodiment 2

[0024] Embodiment 2: Slow-release synergist granules 2 are formed by granulating the following raw materials according to the stated weight ratio:

[0025] 15 parts of n-butylthiophosphoric triamide, 100 parts of 4-amino-1,2,4 triazole, 5000 parts of ammonium humate, 5000 parts of ammonium citrate, 7500 parts of attapulgite, 200 parts of adhesive, The composition of the adhesive is water: polyvinyl alcohol: formaldehyde: hydrochloric acid: sodium hydroxide: urea=100:15:5:2:2:5 by weight.

Embodiment 3

[0026] Embodiment 3: Slow-release synergist granules 3 are formed by granulating the following raw materials according to the stated weight ratio:

[0027] 12 parts of n-butylthiophosphoric triamide, 50 parts of 4-amino-1,2,4 triazole, 3000 parts of ammonium humate, 3000 parts of ammonium citrate, 2500 parts of attapulgite, 100 parts of adhesive, The composition of the adhesive is water: polyvinyl alcohol: formaldehyde: hydrochloric acid: sodium hydroxide: urea=100:6:3:1:0.8:3 by weight.

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Abstract

The invention discloses a slow-release synergist granule for a blended fertilizer, and a preparation method and an application method of the slow-release synergist granule. The slow-release synergist granule is prepared from NBPT powder, 4-amidogen-1,2,4 triazole powder, ammonium humate powder, ammonium citrate powder, attapulgite powder and a binder in a pelleting manner. The slow-release synergist granule is added to a nitrogenous fertilizer granule, a phosphatic fertilizer granule and a potash fertilizer granule according to a certain ratio, thus the blended fertilizer with long effective period and good fertilization effect can be prepared.

Description

[0001] technical field [0002] The invention relates to the field of chemical fertilizers, in particular to a slow-release synergist granule for blending fertilizers and a preparation method and application method thereof. Background technique [0003] Blended fertilizer (BB fertilizer) is a fertilizer obtained by mixing urea, ammonium sulfate, potassium chloride, heavy calcium and other nitrogen fertilizers, potassium fertilizers, and phosphate fertilizers according to different weight ratios. The weight ratio of each fertilizer can be adjusted according to the crop. It can be adjusted according to the actual needs of the soil, which is more conducive to the growth of crops and the improvement of the soil. The production cost is low, the operation is simple, and it is beneficial to popularization. In the blended fertilizer, under the action of urease and nitrifying bacteria in the soil, nitrogen fertilizer will be quickly converted into ammonium nitrogen, and then further ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00C05G3/08C05G3/90
CPCC05G3/90C05G5/30
Inventor 张彬
Owner 张彬
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