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Salt-controlling, alkali-reducing and soil-improving methods in coastal saline-alkali land based on the superior compatibility of controlled-release fertilizer-plant immune inducer-organic fertilizer

A technology of immune inducer and organic fertilizer, which is applied in the direction of soil preparation, fertilization, organic fertilizer, etc. It can solve the problems of crop resistance improvement, fertilizer cannot meet nutrient requirements, and functional substances are not kept alive, etc., to improve the quality of crops. Stress resistance, promoting sustainable agricultural development, and reducing losses

Active Publication Date: 2021-09-28
SHANDONG AGRICULTURAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In summary, the existing models for improving saline-alkali land have problems such as the application of fertilizers cannot meet the nutrient requirements of crops in different periods, the stress resistance of crops has not been improved, and functional substances have not been preserved.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0038] In order to achieve organic combination of plant immunomoder and controlled release fertilizer, the preparation method of plant immunotuby controlled release fertilizer is given in one embodiment of the present invention, including the following steps:

[0039](1) elicitors of plant immunity as a core material, said plant is selected from immune elicitors betaine, one or more Brassinolide, humic acid, and the DA-6; core material was dissolved water to prepare a uniform solution (concentration of the core material is a homogeneous solution is 100-400g / L); the solution was then added to the timber wall, the core and the wall material solution is added a weight ratio of 1: (2-5); added negatively charged colloidal, negatively charged colloid and a positively charged wall material was added in a weight ratio of 1.5: 1; obtained emulsion; under vacuum, adjusting the pH to 4.0-6.5 the emulsion, microcapsules precipitated then adjusting the pH to 6.0-7.0 the emulsion was added a...

Embodiment 1

[0058] He weighed 20 kg of urea in a tumbler, the opening switch core preheating until the temperature constant at 80 ℃. Weigh plant immune elicitors betaine 400g, was dissolved in water to prepare a uniform solution, the mixed solution was added 1200g of shellac, gelatin, water and [beta] cyclodextrin (a mixed solution, [beta] -cyclodextrin and shellac - gelatin - water mixture in a weight ratio of 1: 2.6, the shellac - gelatin - water mixture, the weight ratio of shellac, gelatin and water was 0.6: 0.6: 12); 1800g was further added colloidal negatively charged carrageenan, an emulsion is obtained; under vacuum, adjusting the pH to 4.0-6.5 the emulsion to precipitate a microcapsule, and then adjusting the pH to 6.0-7.0 the emulsion was added 18g of hardener phenyl diglycidyl ether cured after the microcapsules, after treatment, the microcapsules obtained with urea and mixed uniformly.

[0059] Paraffin weighed 39.2g, hydroxy ethylidene diphosphonic acid 0.4g, polyacrylic acid, 0....

Embodiment 2

[0064] DAP weighed 20 kg in a tumbler, the opening switch core preheating until the temperature constant at 80 ℃. Weigh plant immune elicitors humic 400g, was dissolved in water to prepare a uniform solution, was added 1200g of ε- polylysine - vitamin E succinate amide compound solution was added 1800g acacia colloidal negatively charged to obtain an emulsion; under vacuum after adjusting the pH to 4.0-6.5 the emulsion to precipitate a microcapsule, and then adjusting the pH to 6.0-7.0 the emulsion was added 18g laccase curing agent, curing the microcapsules, after processing, microcapsule and mixed uniformly with urea.

[0065] Paraffin weighed 39.2g, hydroxy ethylidene diphosphonic acid 0.4g, aminotrimethylene phosphonic acid 0.4g, placed in a thermostat heated to melt kettle 85 ℃, a surface modifier made; sulfur weighed 2000g, placed in a heating tank melt temperature to 145 ℃, made of coated liquid. Set the nozzle opening pressure of the pump pressure is 0.1Mpa, a total spray ...

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Abstract

The invention discloses a mode of coastal saline-alkali soil control salt reduction and alkali improvement based on the superior compatibility of controlled-release fertilizer-plant immune inducer-organic fertilizer. The mode comprises the following steps: combining the plant immune inducer and the controlled-release fertilizer Combined, the plant immune induction type controlled release fertilizer is prepared, and then the plant immune induction type controlled release fertilizer and organic fertilizer are misplaced and fertilized; the misplaced fertilization is specifically: the plant immunity induced type controlled release fertilizer is applied to the soil depth of 15-20cm, the organic fertilizer is applied to the soil depth of 40-50cm. In the present invention, the misplaced fertilization of plant immune-inducing controlled-release fertilizers and organic fertilizers can form source salt control, prevent crop seedlings from superimposing salt damage, maintain cell osmotic pressure balance of crops in saline-alkali land, and accelerate rainfall and irrigation. Leaching can improve the physical structure of the soil, increase the content of soil organic matter, and promote the sustainable development of agriculture.

Description

Technical field [0001] The present invention relates to the field of fertilizer production, and in particular, a method of achieving a coastal alkali-controlled salt-based alkali, a controlled release fertilizer-plant immunotubilizer-organic fertilizer-based fertilizer. Background technique [0002] Soil salinity is a worldwide soil degradation problem, which not only causes resource damage, but also causes harm to environmental and economic development. The second national soil survey data shows that my country's saline land area is as high as 100 million hectares, and there is currently an urgent need for the growth of population, economic development and the urgent need of improving the ecological environment, and has become increasingly important. Therefore, crop planting is thus preventing salt bases to prevent salt base soil, which is conducive to ecological recovery, but the saline soil will reduce the immersion of soil soil, which inhibits plant growth, reduces crop yield...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01C21/00
CPCA01B79/02A01C21/005C05B7/00C05C9/00C05D9/00C05G3/00C05G5/12C05G5/30C05F11/02C05F3/00C05F5/002C05F9/00C05F11/00
Inventor 刘之广贾春花张民张吉强张强马强李永强李泽丽陈宝成陈大印杨贵婷孙瑶朱琳琳
Owner SHANDONG AGRICULTURAL UNIVERSITY