Water retaining, fertilizer supplying, and pH adjusting type plateau red earth modifier and applications thereof

A improver and fertilizer supply technology, which is applied in the field of water-retaining and fertilizer-supplying acid-changing mountain red soil improver, can solve the problems of single lime with large side effects, re-acidification, soil compaction, etc., achieve good water and fertilizer retaining performance, improve physical and chemical properties, Good air permeability

Inactive Publication Date: 2019-08-20
YUNNAN AGRICULTURAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditionally, alkaline substances such as lime are used to improve soil acidification at home and abroad, but the side effects of single lime are too large, which may easily cause soil compaction and re-acidification.

Method used

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  • Water retaining, fertilizer supplying, and pH adjusting type plateau red earth modifier and applications thereof
  • Water retaining, fertilizer supplying, and pH adjusting type plateau red earth modifier and applications thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Embodiment 1: the preparation of fermented duckweed fertilizer

[0026] Preparation:

[0027] 1) Control the water content of duckweed to 70%, adjust the pH to 7, add compound microbial bacterial agent, urea, molasses, potassium dihydrogen phosphate, magnesium sulfate, and iron sulfate to the duckweed, mix evenly, and heat at 25-35°C Under fermentation for 9 days; the mass ratio of duckweed, compound microbial agent, urea, molasses, potassium dihydrogen phosphate, magnesium sulfate, and iron sulfate is 100:6:3:8:3:0.8:0.5;

[0028] The composite microbial inoculum is composed of Bacillus subtilis solid inoculum, Bacillus megaterium solid inoculum, and Azotobacter rotunda solid inoculum in a mass ratio of 1:2:0.5; the carrier in each solid inoculum is bran. The number of viable bacteria in the solid bacterial agent of Bacillus subtilis was 3×10 8 cfu / g; the number of viable bacteria in the solid bacterial agent of Bacillus megaterium is 6.5×10 7 cfu / g; the number of l...

Embodiment 2

[0030] Embodiment 2: the preparation of fermented duckweed fertilizer

[0031] Preparation:

[0032] 1) Control the water content of duckweed to 63, adjust the pH to 6, add compound microbial bacterial agent, urea, molasses, potassium dihydrogen phosphate, magnesium sulfate, and iron sulfate to the duckweed and mix evenly. Fermentation for 6 days; the mass ratio of duckweed, compound microbial agent, urea, molasses, potassium dihydrogen phosphate, magnesium sulfate, and iron sulfate is 100:3:4.5:6:2:0.5:0.2;

[0033] The composite microbial inoculum is composed of Bacillus subtilis solid inoculum, Bacillus megaterium solid inoculum, and Azotobacter rotunda solid inoculum in a mass ratio of 1:2:0.5; the carrier in each solid inoculum is bran. The number of viable bacteria in the solid bacterial agent of Bacillus subtilis was 3×10 8 cfu / g; the number of viable bacteria in the solid bacterial agent of Bacillus megaterium is 6.5×10 7 cfu / g; the number of live bacteria of Azotob...

Embodiment 3

[0035] Embodiment 3: the preparation of fermented duckweed fertilizer

[0036] Preparation:

[0037] 1) Control the water content of duckweed to 60%, adjust the pH to 6.5, add compound microbial bacterial agent, urea, molasses, potassium dihydrogen phosphate, magnesium sulfate, and iron sulfate to the duckweed and mix evenly, at 25-35°C Under fermentation for 7 days; the mass ratio of duckweed, compound microbial agent, urea, molasses, potassium dihydrogen phosphate, magnesium sulfate, and iron sulfate is 100:5:5:10:1:1:0.6;

[0038] The composite microbial inoculum is composed of Bacillus subtilis solid inoculum, Bacillus megaterium solid inoculum, and Azotobacter rotunda solid inoculum in a mass ratio of 1:2:0.5; the carrier in each solid inoculum is bran. The number of viable bacteria in the solid bacterial agent of Bacillus subtilis was 3×10 8 cfu / g; the number of viable bacteria in the solid bacterial agent of Bacillus megaterium is 6.5×10 7 cfu / g; the number of live b...

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Abstract

The invention provides a water retaining, fertilizer supplying, and pH adjusting type plateau red earth modifier and applications thereof, and relates to the technical field of soil modifiers. The plateau red earth modifier comprises following raw materials in parts by weight: 26 to 35 parts of a fermented duckweed fertilizer, 15 to 27 parts of fermented straws, 25 to 42 parts of expanded perlite,40 to 55 parts of pond sludge, 13 to 21 parts of hydroxyl apatite, and 3 to 6 parts of quicklime. The provided plateau red earth modifier can increase the organic substances in soil, has a good waterretaining and fertilizing retaining performance, can adjusting the pH value of soil for a long term, can prevent soil hardening, and has a good effect on improving the crop quality and increasing thecrop output.

Description

technical field [0001] The invention relates to the technical field of soil improvers, in particular to a water-retaining, fertilizer-supplying and acid-changing mountain red soil improver and its application. Background technique [0002] The red soil is mainly distributed in the central part of the Yunnan Plateau, between 24°-26° north latitude, the remaining plateau surface, the edge of the lake basin, and hills and low mountains at an altitude of 1500-2400 meters. In addition, mountain areas such as Liangshan Yi Autonomous Prefecture and Panzhihua City, which are adjacent to Yunnan in the southwest of Sichuan Province, are also scattered. [0003] According to the data of Yunnan Province, the current forest coverage in the red soil area of ​​the mountains is 5 percentage points lower than that of the whole province, and the barren hills and slopes are 8 percentage points higher than that of the whole province. There are 6.261 million mu of arable land in the red soil of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/04C05G3/80
CPCC05B7/00C05G3/80
Inventor 张耿杰谢倩刘淑霞张川余建新郑宏刚
Owner YUNNAN AGRICULTURAL UNIVERSITY
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