Saline soil conditioner for coastal intertidal zone and application thereof

A technology of saline-alkali soil and improver, which is applied in application, fertilizer mixture, fertilization device, etc., can solve the problems of small total number of microbial flora, low nutrient content, poor drainage properties, etc., to make up for low nutrient content and soil moisture content height, increase plant height and effect of plant height increment

Active Publication Date: 2015-11-11
INST OF SOIL SCI CHINESE ACAD OF SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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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 te

Method used

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  • Saline soil conditioner for coastal intertidal zone and application thereof
  • Saline soil conditioner for coastal intertidal zone and application thereof
  • Saline soil conditioner for coastal intertidal zone and application thereof

Examples

Experimental program
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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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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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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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