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Novel improved fertilizer for sandy saline-alkali land and its preparation and application methods

A technology for improving fertilizer and saline-alkali land, applied in fertilization methods, applications, fertilization devices, etc., can solve problems such as unsatisfactory results and difficulty in reducing alkalinity, and achieve the effects of facilitating salt discharge speed, improving structural properties, and improving aggregate structure

Active Publication Date: 2018-07-03
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

The current improvement methods are usually soil replacement or the addition of organic fertilizers, but these methods are difficult to reduce the alkalinity, and the effect is not ideal

Method used

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  • Novel improved fertilizer for sandy saline-alkali land and its preparation and application methods
  • Novel improved fertilizer for sandy saline-alkali land and its preparation and application methods
  • Novel improved fertilizer for sandy saline-alkali land and its preparation and application methods

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A new type of improved fertilizer for sandy saline-alkali land. The preparation method is as follows: 20 parts of organic fertilizer, 20 parts of peat, and 10 parts of humic acid are dried to make the moisture content less than 10%, and then mixed with 5 parts of perlite and vermiculite. 5 parts, 17 parts of desulfurized gypsum, 10 parts of pumice powder, 3 parts of compound fertilizer, 1 part of amino acid, 2 parts of water-retaining agent, 1 part of nicotinic acid, 2 parts of p-aminobenzoic acid, 1 part of inositol, and 3 parts of serine. , and then sieved, the final particle size is less than 3mm.

[0019] Application method, in the present embodiment, the soil salinity is 0.2%, so the amount of improved fertilizer is 1.2t / mu, according to this amount, the improved fertilizer is evenly spread on the saline-alkali soil surface and stirred evenly with a machine. Periodic sampling and testing in the later stage, the results are shown in Table 1:

[0020]

[0021] In...

Embodiment 2

[0023] A new type of improved fertilizer for sandy saline-alkali land. The preparation method is as follows: 30 parts of organic fertilizer, 30 parts of peat, and 20 parts of humic acid are dried to make the moisture content less than 10%, and then mixed with 10 parts of perlite and vermiculite. 10 parts, 30 parts of desulfurized gypsum, 20 parts of pumice powder, 6 parts of compound fertilizer, 2 parts of amino acid, 3 parts of water-retaining agent, 2 parts of nicotinic acid, 3 parts of p-aminobenzoic acid, 2 parts of inositol, and 4 parts of serine. , and then sieved, the final particle size is less than 3mm.

[0024] Application method, in the present embodiment, the soil salinity is 0.51%, so the amount of improved fertilizer is 2.5t / mu, according to this amount, evenly spread the improved fertilizer on the saline-alkali soil surface and stir evenly with a machine. Periodic sampling and testing in the later period, the results are shown in Table 2:

[0025]

[0026] I...

Embodiment 3

[0028] A new type of improved fertilizer for sandy saline-alkali land. The preparation method is as follows: 28 parts of organic fertilizer, 26 parts of peat, and 16 parts of humic acid are dried to make the moisture content less than 10%, and then mixed with 8 parts of perlite and vermiculite. 7 parts, 22 parts of desulfurized gypsum, 16 parts of pumice powder, 4 parts of compound fertilizer, 1.5 parts of amino acid, 2.5 parts of water-retaining agent, 1.5 parts of nicotinic acid, 2.5 parts of p-aminobenzoic acid, 1.6 parts of inositol, and 3.8 parts of serine. , and then sieved, the final particle size is less than 3mm.

[0029] Application method, in the present embodiment, the soil salinity is 0.8%, so the amount of improved fertilizer is 4t / acre, according to this amount, the improved fertilizer is evenly spread on the saline-alkali soil surface and evenly stirred with a machine. Periodic sampling and testing in the later period, the results are shown in Table 3:

[0030...

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Abstract

The invention discloses novel improvement fertilizer for a sandy saline and alkaline land and a preparation and application method of the novel improvement fertilizer. The novel improvement fertilizer is prepared from 20-30 parts of organic fertilizer, 20-30 parts of peat, 10-20 parts of humic acid, 5-10 parts of perlite, 5-10 parts of vermiculite, 17-30 parts of flue gas desulfurization gypsum, 10-20 parts of powdered pumice, 3-6 parts of compound fertilizer, 1-2 parts of amino acid, 2-3 parts of water-retaining agents, 1-2 parts of nicotinic acid, 2-3 parts of para aminobenzoic acid, 1-2 parts of inositol and 3-4 parts of serine. In the preparation process, organic fertilizer, peat and humus are dried till the moisture content is smaller than 10%, the mixture is then smashed together with other components and screened after being smashed, the final grain size is smaller than 3 mm, mixing is conducted, the application amount is determined according to the soil salt content in the application process, and the mixture is mechanically mixed with soil. By means of the novel improvement fertilizer, the organic matter content in soil of the sandy saline and alkaline land is increased, and the improvement of the granular structure of the soil is accelerated; the permeability, the water-retaining property and the nutrient preserving capacity of the soil are increased; floras of the soil are effectively activated, and beneficial bacteria in the soil are rapidly propagated; the soil acidity and alkalinity are effectively regulated; effective constituents such as nitrogen phosphorus and potassium and microelements of the soil are increased.

Description

technical field [0001] The invention relates to a soil organic improving fertilizer, in particular to a new type of improving fertilizer for sandy saline-alkali land and its preparation and application methods. Background technique [0002] Sandy saline-alkali land is distributed in the humid-semi-humid seawater immersion saline area in the eastern coastal area, mainly in coastal areas such as Nantong, Yancheng and Shanghai in Jiangsu. [0003] The characteristics of sandy saline-alkali land: high salinity, high alkalinity, relatively large sandy soil, fertilizer leakage, poor water retention, easy to return to alkali, and very high mortality of plants in the seedling stage. The current improvement methods are usually methods such as changing soil or adding organic fertilizers, but these methods are difficult to reduce the alkalinity, and the effect is not ideal. Contents of the invention [0004] Purpose of the invention: The purpose of the invention is to provide a new ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C05G3/04A01C21/00C05G3/80
Inventor 张华李春灵
Owner 江苏垚源生态环境建设有限公司
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