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Fertilizer applicable to saline-alkali soil and preparation method thereof

A technology for saline-alkali land and fertilizer, which is applied to the field of fertilizer and its preparation in saline-alkali land, can solve problems such as the reduction of soil productivity, and achieve the effects of strong adsorption performance, strong ion exchange capacity and low price

Inactive Publication Date: 2016-06-22
北京瑞昊肥业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Soil salinization not only reduces soil productivity, but also causes many ecological and environmental problems

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] The fertilizer formula suitable for saline-alkali land according to the present invention: 7 parts of zeolite, 5 parts of weathered coal, 0.5 part of microbial agent, 28 parts of livestock and poultry manure, 16 parts of edible fungus residue, 0.5 part of water-retaining agent, 10 parts of peat, 5 parts of garbage output, 8 parts of inorganic fertilizer, including 4 parts of nitrogen fertilizer, 2 parts of phosphorus fertilizer and 2 parts of potash fertilizer. The weathered coal is acidic weathered coal containing 60% humic acid and a pH value of 4.7, the microbial inoculum is EM inoculant, the farmyard manure is pig manure and chicken manure, and the water-retaining agent is polyacrylamide or ammonium polyacrylate, the edible fungus residue is at least one of Pleurotus ostreatus, Flammulina velutipes or Pleurotus eryngii mushroom residue, and the food waste output is the food waste output containing 80% organic matter, and the The nitrogen fertilizer is large granular...

Embodiment 2

[0034] The fertilizer formula suitable for saline-alkali land according to the present invention: 16 parts of zeolite, 10 parts of weathered coal, 1 part of microbial agent, 31 parts of livestock and poultry manure, 19 parts of edible fungus residue, 1 part of water-retaining agent, 20 parts of peat, 10 parts of garbage output, 11 parts of inorganic fertilizer, including 5 parts of nitrogen fertilizer, 3 parts of phosphate fertilizer and 3 parts of potash fertilizer. The weathered coal is acidic weathered coal containing 60% humic acid and a pH value of 4.7, the microbial inoculum is EM inoculant, the farmyard manure is pig manure and chicken manure, and the water-retaining agent is polyacrylamide Or ammonium polyacrylate, the edible fungus residue is at least one of Pleurotus ostreatus, Flammulina velutipes or Pleurotus eryngii mushroom residue, and the food waste output is the food waste output containing 70% organic matter, and the The nitrogen fertilizer is large granular ...

Embodiment 3

[0037] The fertilizer formula suitable for saline-alkali land according to the present invention: 12 parts of zeolite, 8 parts of weathered coal, 0.8 part of microbial agent, 30 parts of livestock and poultry manure, 18 parts of edible fungus residue, 0.8 part of water-retaining agent, 15 parts of peat, and 8 parts of garbage output, 9 parts of inorganic fertilizer, including 4 parts of nitrogen fertilizer, 2.5 parts of phosphorus fertilizer and 2.5 parts of potash fertilizer. The weathered coal is acidic weathered coal containing 60% humic acid and a pH value of 4.7, the microbial inoculum is EM inoculant, the farmyard manure is pig manure and chicken manure, and the water-retaining agent is polyacrylamide Or ammonium polyacrylate, the edible fungus residue is at least one of Pleurotus ostreatus, Flammulina velutipes or Pleurotus eryngii mushroom residue, and the food waste output is the food waste output containing 75% organic matter, and the The nitrogen fertilizer is large...

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PUM

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Abstract

The invention relates to a fertilizer applicable to saline-alkali soil. The fertilizer is characterized by being prepared from zeolite, weathered coal, a microbial agent, excrements of livestock, edible mushroom dregs, a water-retaining agent, turf, kitchen waste products and inorganic fertilizers. A preparation method of the fertilizer comprises the following steps: S1, mixing crushed edible mushroom dregs and excrements of livestock, adjusting a carbon nitrogen ratio of the mixture to be 25 / 1 to 30 / 1, and then adding the microbial agent for fertilizing; S2, adding the weathered coal, the zeolite, the turf and the kitchen waste products to the fertilized mixture in step S1, and then mixing and granulating to obtain fertilizer particles; S3, mixing the particles obtained in the step S2 and the water-retaining agent, and then uniformly stirring to obtain the fertilizer applicable to the saline-alkali soil.

Description

technical field [0001] The invention relates to an agricultural fertilizer in the field of agricultural production, in particular to a fertilizer suitable for saline-alkali land and a preparation method thereof. Background technique [0002] Saline-alkali soil is a collective term for saline soil and alkaline soil. According to incomplete statistics from UNESCO and FAO, the global saline-alkali soil area has reached 9.5×10 8 hm 2 and each year by 1.0×10 6 ~1.5×10 6 hm 2 speed growth. The area of ​​saline-alkali soil in China is 3.7×10 7 hm 2 Almost all over the country. Soil salinization not only reduces soil productivity, but also causes many ecological and environmental problems. [0003] Saline-alkali land is an important land resource. It is a land type widely distributed on the earth, accounting for about 25% of the total land area, with a total of about 1 billion hectares, distributed in arid regions on all continents. my country has about 27 million hectares...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/04C05G3/80
CPCC05D9/00C05F3/00C05F9/04C05G3/80C05F5/00C05F11/08C05F17/00C05F9/00C05F11/02
Inventor 慕姝张波高世宝
Owner 北京瑞昊肥业有限公司
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