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Special improved organic fertilizer for saline-alkali soil and preparation method and application thereof

A saline-alkali land and organic fertilizer technology, which is applied in the field of preparation of special improved organic fertilizer for saline-alkali land, can solve the problems of unfavorable plant growth, high soil pH value, low fertility, etc., achieve good growth, improve soil fertility, and improve the effect of organic nutrients

Active Publication Date: 2012-10-24
江苏垚源生态环境建设有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the compaction and barrenness of saline-alkali soil, low fertility and high soil pH value, it is not conducive to plant growth

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Special improved organic fertilizer for saline-alkali land. The composition of the improved organic fertilizer is: straw organic fertilizer 89%, saline-alkali land improvement material 8%, medium and trace element additives 3%; straw organic fertilizer is a 10:3 mixed plant by weight percentage Straw and livestock manure; saline-alkali land improvement materials are calcium superphosphate mixed in a weight ratio of 3:3:2:2, weathered coal with a 60-mesh sieve containing more than 70% humic acid, ferrous sulfate and vinegar residue; medium and trace elements The composition of the additive is 25% by weight of ammonium phosphate, 45% of ammonium sulfate, 5% of zinc sulfate, 10% of magnesium sulfate, 10% of borax, and 5% of calcium nitrate.

[0016] The preparation method of special improved organic fertilizer for saline-alkali land comprises the following steps:

[0017] Combine 89% by weight straw organic fertilizer, 8% by weight of saline-alkali soil improvement materia...

Embodiment 2

[0025] Special improved organic fertilizer for saline-alkali land. The composition of the improved organic fertilizer is: straw organic fertilizer 90%, saline-alkali land improvement material 8%, medium and trace element additives 2%; straw organic fertilizer is a 10:3 mixed plant by weight percentage Straw and livestock manure; saline-alkali land improvement materials are calcium superphosphate mixed in a weight ratio of 3:3:2:2, weathered coal with a 60-mesh sieve containing more than 70% humic acid, ferrous sulfate and vinegar residue; medium and trace elements The composition of the additive is 30% by weight of ammonium phosphate, 35% of ammonium sulfate, 8% of zinc sulfate, 10% of magnesium sulfate, 10% of borax, and 7% of calcium nitrate.

[0026] The preparation method of special improved organic fertilizer for saline-alkali land comprises the following steps:

[0027] The steps of preparing straw organic fertilizer: crush the plant straw with a pulverizer, wet and infi...

Embodiment 3

[0033] Special improved organic fertilizer for saline-alkali land. The composition of the improved organic fertilizer is: straw organic fertilizer 91%, saline-alkali land improvement material 7%, medium and trace element additives 2%; straw organic fertilizer is a 10:3 mixed plant by weight percentage Straw and livestock manure; saline-alkali land improvement materials are calcium superphosphate mixed in a weight ratio of 3:3:2:2, weathered coal with a 60-mesh sieve containing more than 70% humic acid, ferrous sulfate and vinegar residue; medium and trace elements The composition of the additive is 45% by weight of ammonium phosphate, 20% of ammonium sulfate, 8% of zinc sulfate, 10% of magnesium sulfate, 10% of borax, and 7% of calcium nitrate.

[0034] The preparation method of special improved organic fertilizer for saline-alkali land comprises the following steps:

[0035] Steps for preparing straw organic fertilizer: crush plant straw with a pulverizer, wet and infiltrate ...

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Abstract

The invention discloses a special improved organic fertilizer for saline-alkali soil. The special improved organic fertilizer comprises the following components by weight: 89%-91% of straw organic fertilizer, 7%-9% of saline-alkali soil modified material, and 1%-3% of medium-micro element additive. The invention further discloses a preparation method for the special improved organic fertilizer for saline-alkali soil. The preparation method comprises the following steps: mixing and piling 89%-91% of the straw organic fertilizer, 7%-9% of the saline-alkali soil modified material, and 1%-3% of the medium-micro element additive by weight to be long strips; uniformly stirring the long strips by a turner, adding hydrolytic polymaleic anhydride organic aqueous solution, and regulating the pH of the solution to be 3-4 to obtain the special improved organic fertilizer for saline-alkali soil. The special improved organic fertilizer for saline-alkali soil can effectively improve soil hardening, increase micro elements and organic nutritional ingredients of humic acid in the saline-alkali soil and improve quality of humus, thereby improving soil fertility and achieving survival rate of planted seedling of more than 95%.

Description

technical field [0001] The invention relates to a special improved organic fertilizer for saline-alkali land. [0002] The invention also relates to a preparation method of the improved organic fertilizer special for saline-alkali land and an application method of the improved organic fertilizer in the saline-alkali land. Background technique [0003] With the continuous development of coastal beaches, many difficulties have been encountered in the improvement and utilization of saline-alkali land. In order to make full use of coastal tidal land, people have adopted various methods such as ditches to reduce water and drain salt, inject fresh water to pressurize salt, and set up a spray layer to prevent seepage and separate salt, etc. . However, due to the compaction and barrenness of saline-alkali soil, low fertility and high soil pH value, it is not conducive to plant growth. [0004] Increasing the application of organic fertilizer is an indispensable measure for saline...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G1/00A01C21/00
Inventor 张永康张华施珍珍
Owner 江苏垚源生态环境建设有限公司
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