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Loss-controlling fertilizer special for corn and preparation method thereof

A special fertilizer technology for corn, applied in alkaline orthophosphate fertilizers, organic fertilizers, inorganic fertilizers, etc., can solve the problems of fertilizer loss rate to be increased, high price, etc., to improve fertilizer utilization rate, loss control rate, Improve absorption effect

Inactive Publication Date: 2017-12-15
ANHUI RUIHU BIO FERTILIZER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to improve the utilization rate of chemical fertilizers, slow / controlled release fertilizers are widely used first, but their prices are relatively high, and the control of fertilizer loss rate needs to be improved

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] This embodiment proposes a special loss-controlling fertilizer for corn and a preparation method thereof, comprising the following steps:

[0023] Step 1. Mix 10 parts of cyclolipopeptide-containing biological display active agent and its compound amino acid, 3 parts of compound potassium nitrophenolate, 5 parts of porous starch, 5 parts of attapulgite clay, 5 parts of polyaluminum ferric chloride, chelated Add 3 parts of iron and 3 parts of activated zeolite powder into the mixing pan to make it fully mixed;

[0024] Step 2, 15 parts of monoammonium phosphate, 20 parts of ammonium chloride, 15 parts of potassium chloride, 10 parts of urea, 25 parts of chemical fertilizer nutrient loss control agent, 10 parts of bentonite, 5 parts of calcium ammonium nitrate, 5 parts of chitosan, Add 0.5 part of nitrification inhibitor, 0.5 part of urease inhibitor, 0.3 part of nitrogen-fixing bacteria, 0.3 part of phosphorus bacteria, 0.2 part of zinc, 0.2 part of boron, 0.2 part of se...

Embodiment 2

[0031] This embodiment proposes a special loss-controlling fertilizer for Radix isatidis and a preparation method thereof, comprising the following steps:

[0032] Step 1. Mix 10 parts of cyclolipopeptide-containing biological display active agent and its compound amino acid, 8 parts of compound potassium nitrophenolate, 7 parts of porous starch, 7 parts of attapulgite clay, 7 parts of polyaluminum iron chloride, chelated Add 5 parts of iron and 5 parts of activated zeolite powder into the mixing pan to make it fully mixed;

[0033] Step 2, 20 parts of monoammonium phosphate, 25 parts of ammonium chloride, 25 parts of potassium chloride, 15 parts of urea, 30 parts of chemical fertilizer nutrient loss control agent, 13 parts of bentonite, 8 parts of calcium ammonium nitrate, 7 parts of chitosan, Add 0.7 part of nitrification inhibitor, 0.7 part of urease inhibitor, 0.5 part of nitrogen-fixing bacteria, 0.5 part of phosphorus bacteria, 0.3 part of zinc, 0.3 part of boron, 0.3 pa...

Embodiment 3

[0040] This embodiment proposes a special loss-controlling fertilizer for Radix isatidis and a preparation method thereof, comprising the following steps:

[0041] Step 1. Mix 20 parts of cyclolipopeptide-containing biological display active agent and its compound amino acid, 15 parts of compound potassium nitrophenolate, 15 parts of porous starch, 15 parts of attapulgite clay, 10 parts of polyaluminum ferric chloride, chelated Add 8 parts of iron and 8 parts of activated zeolite powder into the mixing pan to make it fully mixed evenly;

[0042]Step 2, 25 parts of monoammonium phosphate, 35 parts of ammonium chloride, 30 parts of potassium chloride, 20 parts of urea, 35 parts of chemical fertilizer nutrient loss control agent, 15 parts of bentonite, 10 parts of calcium ammonium nitrate, 10 parts of chitosan, Add 1.0 part of nitrification inhibitor, 1.0 part of urease inhibitor, 0.8 part of nitrogen-fixing bacteria, 0.8 part of phosphorus bacteria, 0.5 part of zinc, 0.5 part of...

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Abstract

The invention belongs to the technical field of agricultural fertilizer and discloses a loss-controlling fertilizer special for corn and a preparation method thereof. A chemical fertilizer nutrient loss-controlling agent added in the invention is a physical and chemical modified nanometer material-attapulgite crystal; the attapulgite crystal reacts with the fertilizer molecule through hydrogen bond, van der waals force and viscous force, so as to form a micro-nano interpenetrating polymer network and absorb and capture the nutrients, such as, nitrogen, phosphor and potassium in the chemical fertilizer; the chemical fertilizer nutrient loss-controlling agent contains cyclic lipopeptide biosurfactant and compound amino acid thereof and is capable of promoting the absorption of the corn for the fertilizer nutrient and achieving the effects of controlling nutrient loss and increasing the use ratio of the chemical fertilizer; the loss-controlling fertilizer prepared according to the method is uniform in nutrient, is stable and long-lasting in fertilizer effect release, can be fertilized at one time, requires no topdressing and has obvious effect for increasing yield and income; the loss-controlling fertilizer has the advantages of improving and fertilizing soil and is capable of reducing the chemical fertilizer loss and the pollution to environment.

Description

technical field [0001] The invention belongs to the technical field of agricultural fertilizers, and relates to a loss-controlling fertilizer, in particular to a special loss-controlling fertilizer for corn and a preparation method thereof. Background technique [0002] my country is a large agricultural country, how to improve the utilization rate of chemical fertilizers is one of the key issues to achieve high crop yields. Most of the nutrients that can be absorbed by plants in chemical fertilizers exist in the form of inorganic salts. These inorganic salts are easy to lose and volatilize. Because of this, only about 30% of traditional chemical fertilizers are absorbed by plants, and the rest is lost with water. The utilization rate of chemical fertilizers Low and easy to cause environmental pollution. [0003] Corn is an important food crop and economic crop. According to statistics, its output and planting area are second only to rice and wheat, ranking third in the wor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00C05G3/08C05G3/90
CPCC05B7/00C05G3/00C05G3/90C05G5/12C05G5/30C05C1/00C05C3/00C05C9/00C05C11/00C05D1/02C05D9/00C05D9/02C05F11/08Y02P60/21
Inventor 张从武闫廷永
Owner ANHUI RUIHU BIO FERTILIZER
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