Saline-alkali soil improver and application thereof in improvement of watermelon saline-alkali soil

A technology of saline-alkali land and improver, which is applied in the field of saline-alkali land improver and saline-alkali land improvement for planting watermelon, which can solve the problems of great differences and achieve the effects of low cost, improved soil properties, and increased yield

Active Publication Date: 2020-06-12
中国农业科学院西部农业研究中心
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

And due to the differences in the soil environment in different regions, the performance of the s

Method used

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  • Saline-alkali soil improver and application thereof in improvement of watermelon saline-alkali soil
  • Saline-alkali soil improver and application thereof in improvement of watermelon saline-alkali soil
  • Saline-alkali soil improver and application thereof in improvement of watermelon saline-alkali soil

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Experimental program
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Effect test

Example Embodiment

[0024] Example 1

[0025] 1. Raw materials

[0026] Jujube charcoal 18 kg, vinegar grain powder 27 kg, attapulgite 6 kg, humic acid 8 kg, superphosphate 6 kg, polyacrylamide PAM (anionic, average molecular weight about 12 million) 2 kg, EM bacteria 0.5 kg .

[0027] 2. Saline soil improver 1#

[0028] The attapulgite was calcined at 400°C for 1 hour, and after cooling to room temperature, it was ground and passed through a 100-mesh sieve to obtain the modified attapulgite;

[0029] Jujube charcoal, vinegar grains powder, humic acid, superphosphate, PAM, EM bacteria and modified attapulgite are mixed, fully stirred, and then ground and passed through a 100-mesh sieve to obtain saline-alkali soil improver 1#.

Example Embodiment

[0030] Example 2

[0031] Refer to Example 1 to prepare saline-alkali soil improver 2#, the difference lies in the amount of raw materials, specifically: jujube core charcoal 15 kg, vinegar grain powder 25 kg, attapulgite 8 kg, humic acid 7 kg, superphosphate 8 kg, polypropylene Amide PAM (anionic, average molecular weight about 12 million) 3 kg, EM bacteria 0.6 kg.

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Abstract

The invention discloses a saline-alkali soil improver which is prepared from the following raw materials in parts by weight: 10 to 25 parts of jujube pit carbon, 15 to 40 parts of vinegar residue powder, 3 to 10 parts of attapulgite, 5 to 10 parts of humic acid, 5 to 10 parts of calcium superphosphate, 1 to 5 parts of a water-retaining agent and 0.1 to 4 parts of a microbial agent. The soil improver can significantly improve the physicochemical properties of saline-alkali soil, reduce the pH value and total salt content of soil, increase the organic matter content of the soil, increase the granular structure of the soil and improve the water and fertilizer retention capacity of the soil; in addition, the soil improver is especially suitable for watermelon saline-alkali soil, and can greatly increase the yield of watermelons.

Description

technical field [0001] The invention belongs to the technical field of soil improvement, and in particular relates to a saline-alkali soil improver and its application. The improver is especially suitable for the improvement of saline-alkali soil for planting watermelon. Background technique [0002] Among all saline-alkali land improvement technologies, chemical improvement has the advantages of low cost, quick effect, and flexible and adjustable formula. It does not depend on fresh water resources and supporting engineering facilities, and is less affected by climate. Regions with large variations are widely used. [0003] After decades of research, a large number of patented technologies for chemical improvement of saline-alkali land have emerged, and the types of raw materials suitable for improvement of saline-alkali land are gradually becoming familiar to those skilled in the art. However, practical application shows that there are not many products that can really ...

Claims

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Application Information

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IPC IPC(8): C05G3/80A01B79/00C09K17/40C09K101/00C09K109/00
CPCC05B1/02A01B79/00C09K17/40C09K2101/00C09K2109/00
Inventor 刘君璞路振国周先林覃琴朱海勇胡成成
Owner 中国农业科学院西部农业研究中心
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