A kind of soil conditioner containing coconut bran and preparation method thereof

A technology for soil conditioner and coconut bran, which is applied to the field of soil conditioner containing coconut bran and its preparation, can solve the problems of large usage amount of soil conditioner, complicated manufacturing process, large amount of humic acid, etc., and achieves low production cost. , Raw materials are economical and environmentally friendly, and the effect of reducing soil bulk density

Inactive Publication Date: 2018-08-07
XIAMEN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Chinese patent application 201410163914.X discloses a mineral soil conditioner, which is composed of limestone, humic acid, diatomaceous earth, etc. in a certain proportion; but the amount of humic acid is 30%, and the amount of soil conditioner used Large, complex manufacturing process, resulting in high application costs
However, this kind of fertilizer to prevent soil compaction requires a large amount of humic acid, and the cost is high, and the industrialization and application of the improvement effect has certain limitations.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] 20kg of polyacrylamide, 30kg of polyaspartic acid and 10kg of boric acid were dissolved in 940kg of water to obtain a mixed solution; 830kg of powdered coco peat, 80kg of diatomaceous earth and 30kg of humic acid were mixed uniformly to obtain a solid powder mixture; then Spray the mixed solution into the solid powder mixture, mix and stir evenly; ventilate and dry at room temperature to obtain the finished soil conditioner.

[0019] The soil improver that makes is applied to the slightly alkaline soil (salt concentration 0.86g / kg, pH8.07, bulk density 1.39g / cm2) of Jiading District, Shanghai 3 ), the amount of 500kg soil conditioner applied per mu is evenly mixed with the soil. The improved soil was compared with the unimproved soil, and watered twice a day. One week later, the above soil was sampled and analyzed, and the results showed that the improved soil had a salt concentration of 0.51g / kg, a pH of 6.71, and a bulk density of 1.08g / cm 3 , while the unimproved s...

Embodiment 2

[0021] 15kg of polyacrylamide, 40kg of polyaspartic acid and 15kg of boric acid were dissolved in 930kg of water to obtain a mixed solution; 800kg of powdered coco peat, 90kg of diatomaceous earth and 40kg of humic acid were mixed uniformly to obtain a solid powder mixture; then Spray the mixed solution into the solid powder mixture, mix and stir evenly; ventilate and dry at room temperature to obtain the finished soil conditioner.

[0022] The soil improver that makes is applied to the slightly alkaline soil (salt concentration 0.86g / kg, pH8.07, bulk density 1.39g / cm2) of Jiading District, Shanghai 3 ), the amount of 500kg soil conditioner applied per mu is evenly mixed with the soil. The improved soil was compared with the unimproved soil, and watered twice a day. One week later, the above soil was sampled and analyzed, and the results showed that the improved soil had a salt concentration of 0.58g / kg, a pH of 6.59, and a bulk density of 1.16g / cm 3 , while the unimproved s...

Embodiment 3

[0024] 10kg of polyacrylamide, 30kg of polyaspartic acid and 10kg of boric acid were dissolved in 950kg of water to obtain a mixed solution; 860kg of powdered coconut peat, 60kg of diatomaceous earth and 30kg of humic acid were mixed uniformly to obtain a solid powder mixture; then Spray the mixed solution into the solid powder mixture, mix and stir evenly; ventilate and dry at room temperature to obtain the finished soil conditioner.

[0025] The soil improver that makes is applied to the slightly alkaline soil (salt concentration 0.86g / kg, pH8.07, bulk density 1.39g / cm3) of Jiading District, Shanghai 3 ), the amount of 500kg soil conditioner applied per mu is evenly mixed with the soil. Tomatoes were grown and compared to soil without the use of soil amendments. The results showed that for a season of tomatoes, the yield of the improved soil was 5860kg / mu, which was 37.9% higher than the yield of the unimproved soil (4250kg / mu).

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PUM

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Abstract

A soil conditioner containing coir peat and a preparation method thereof relate to a soil conditioner. The soil improver containing coconut bran is composed of the following components by mass ratio: coconut bran 0.75-0.92, diatomaceous earth 0.05-0.1, polyaspartic acid 0.01-0.05, humic acid 0.01-0.05, polyacrylamide 0.005 ~0.03, boric acid 0.005~0.02. Preparation method: 1) dissolving polyacrylamide, polyaspartic acid and boric acid in water to obtain a mixed solution; 2) uniformly mixing powdered coconut bran, diatomaceous earth and humic acid to obtain a solid powder mixture; 3 ) Spray the mixed solution obtained in step 1) into the solid powder mixture obtained in step 2), and dry after mixing to obtain a soil conditioner containing coconut bran. The production cost is low, the raw material is environmentally friendly and non-toxic, and can effectively improve secondary salinization and compacted soil, restore and increase land productivity.

Description

technical field [0001] The invention relates to a soil improver, in particular to a soil improver containing coconut bran and a preparation method thereof. Background technique [0002] Secondary salinization is the process of soil salinization caused by unreasonable cultivation, irrigation and excessive fertilization. The content of organic matter in soil is an important indicator of soil fertility and aggregate structure, and the reduction of organic matter leads to soil compaction. my country's agricultural arable land area is limited, and in recent years, with the application of a large amount of inorganic fertilizers, irrational irrigation and the acceleration of urbanization, non-agricultural development and occupation of arable land and other artificial and unreasonable factors have led to sand petrification of arable land around urban areas, Problems such as secondary salinization and soil compaction are intensifying day by day, with characteristics such as high pH v...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09K17/40C09K101/00
Inventor 黎四芳王志娟
Owner XIAMEN UNIV
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