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A saline-alkali soil improver for coastal beaches and its application

A saline-alkali soil and improver technology, which is applied in application, fertilizer mixture, fertilization device, etc., can solve the problems of low total microbial flora, high salt content, low nutrient content, etc., and achieve low nutrient content and soil moisture content High, the effect of promoting plant growth

Active Publication Date: 2018-04-03
INST OF SOIL SCI CHINESE ACAD OF SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The technical problem to be solved: the present invention aims at the difficulties in the improvement of coastal saline-alkali soil at present, that is, soil viscosity, compaction, poor drainage properties, low nutrient content, high salinity content, less total number of microbial flora, single species, etc., and overcomes the existing problems Insufficient technical means and improvers, such as the scientific nature of material selection and dosage, have created a method that can quickly reduce soil salt content, increase soil aggregates, improve soil biological activity, and accelerate saline-alkali soil fertilization and maturation. Coastal beach saline-alkali soil improver for promoting plant growth and its application

Method used

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  • A saline-alkali soil improver for coastal beaches and its application
  • A saline-alkali soil improver for coastal beaches and its application
  • A saline-alkali soil improver for coastal beaches and its application

Examples

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Embodiment 1

[0074] Saline-alkali land in Binhai beach, Nantong City, Jiangsu Province, location: In the sewage treatment company of Qidong Binhai Industrial Park, Nantong City, Jiangsu Province; the geographical location of the test plot is 121°50′35.0″ east longitude, 31°53′48.3″ north latitude, -3.4m above sea level, away from the coastline 1.7 km. Its soil properties are shown in Table 3.

[0075] Table 3 embodiment of the present invention test field soil properties table

[0076]

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PUM

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Abstract

A saline soil conditioner for coastal intertidal zone and application thereof. The conditioner comprises, by mass ratio, 2-6 parts of an organic fertilizer, 0-0.45 part of humic acid, 0.005-0.015 part of a trace additive composition, 0.025 part of urea, and 0.050 part of diammonium phosphate. The trace additive composition comprises 60% of polyacrylamide, 30% of ''732'' type cation exchange resin, 5% of cytokinin and 5% of auxin. The soil conditioner can enhance land productivity, improve soil, increase soil aggregate, increase soil biological activity, reduce soil salinity, and promote plant growth in saline-alkali soil.

Description

technical field [0001] The invention belongs to the technical field of coastal tidal flat land utilization and soil fertilizer, and relates to a coastal tidal flat saline-alkali soil improver based on orthogonal test design and its application. Background technique [0002] my country's saline-alkali land is widely distributed and rich in resources, mainly in the northwest, northeast and coastal areas, with a total area of ​​more than 500 million mu. In order to ensure food security and social stability, my country has proposed a red line of 1.8 billion mu of land. However, with the rapid development of my country's economy and the steady advancement of urbanization, land resources are becoming more and more tense, and it is particularly important to develop some low-yield fields and barrier land. In my country's saline-alkali land, the area of ​​saline-alkali wasteland and saline-alkali barrier cultivated land with potential for agricultural utilization is nearly 200 milli...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C05G3/04C05G3/80
Inventor 刘广明刘洪强杨劲松余世鹏曲延超施向东
Owner INST OF SOIL SCI CHINESE ACAD OF SCI
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