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Method for restoring saline-alkali land through intercropping of feed brassica napus and suaeda salsa

A technology of Suaeda salsa and saline-alkali land, applied in the field of crop intercropping, can solve the problems of unfavorable crop growth and low growth of intercropping crops, and achieve the effects of reducing soil salinity, improving soil environment, and improving soil structure

Inactive Publication Date: 2019-07-05
SHIHEZI UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, for the intercropping of saline-alkali land crops, although the effect of improving saline-alkali land can be achieved, the growth of intercropping crops is often low because saline-alkali land is not conducive to crop growth.

Method used

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  • Method for restoring saline-alkali land through intercropping of feed brassica napus and suaeda salsa
  • Method for restoring saline-alkali land through intercropping of feed brassica napus and suaeda salsa
  • Method for restoring saline-alkali land through intercropping of feed brassica napus and suaeda salsa

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] 1. Select the salt content of winter wheat after harvest (around mid-July) (soil salt content is generally expressed in g / kg, and the conversion between g and kg is usually expressed in % professionally, 0.1% to 2% is 1~20g / kg) at 0.1%~2%, and the land with pH 8~10.

[0051] 2. Before sowing, mix Suaeda salsa seeds and forage rapeseed seeds with granular superphosphate according to the mass ratio of 1:10. It is required to ditch 10cm along both sides of the drip irrigation belt when sowing, the row spacing of plants is 20cm, and the sowing depth is 1cm. , the interplanting ratio of Suaeda salsa and feed rape is 9:3, and the seeding rate of feed rape is 800g / 667m 2 (mu), the seeding rate of Suaeda saline is 600g / 667m 2 (mu). Drip irrigation starts immediately after sowing, with a dripping volume of 45m 3 / mu.

[0052] 3. Remove self-growing wheat seedlings and other weeds in the field as soon as rapeseed emerges, and perform intertillage (intertillage is to overturn ...

Embodiment 2

[0062] Adopt the method of the embodiment of the present invention 1 to carry out improvement test demonstration in Huayu base salinized farmland of Bingtuan Agricultural Reclamation Academy of Sciences, Shihezi City, contrast is under dropper condition, carry out single cropping respectively to Suaeda salsa and fodder rape, and the area is respectively 60m 2 . The interplanting ratios of Suaeda salsa and feed rape corresponding to the three intercropping modes are 9:3, 8:4 and 6:6 respectively, and the feed rape and Suaeda salsa are in the same sowing width, and each sowing width is 3.6m, a total of 6 drip irrigation belts, each with an area of ​​60m 2 .

[0063] Use a conductivity meter (Leici DDSJ-308A) to measure the conductivity of the soil before and after planting to measure the change in salinity before and after planting; the conductivity (EC) is based on the soil-water mass ratio of 1:5 (for example, 10g of soil corresponds to 50mL of water). The electrode potenti...

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Abstract

The invention provides a method for restoring saline-alkali land through intercropping of feed brassica napus and suaeda salsa, and belongs to the technical field of crop intercropping. The method comprises the following steps of soil preparation, sowing, irrigation, weeding, intertillage, thinning, final singling, fertilization and harvesting. According to the method, by utilizing the characteristic that the suaeda salsa can carry salt in soil away from the soil, the salt accumulates in the body of the suaeda salsa, and therefore the soil is truly desalted; meanwhile, the suaeda salsa contains glycine betaine and can significantly improve the quality of poultry and livestock meat and reduce the content of fat after being mixed with the feed brassica napus; the feed brassica napus can adapt to a certain degree of saline-alkali environment, a better growth environment can be provided for the brassica napus after the salt in the soil is carried away by utilizing the characteristic of salt absorption by the suaeda salsa, and therefore the yield and quality of the feed brassica napus are improved; meanwhile, organic acid and other substances secreted by the roots of the brassica napuscan also improve the soil environment, so that the brassica napus and the suaeda salsa have complementary advantages, and the production efficiency is further improved.

Description

technical field [0001] The invention relates to the technical field of crop intercropping, in particular to a method for restoring saline-alkali land by intercropping forage rape and Suaeda salsa. Background technique [0002] Saline-alkali soil is a general term for soils with different degrees of salinization or alkalization. In recent years, with the continuous increase of agricultural land area, a large number of original saline-alkali lands have been reclaimed, but with the increase of planting years and unreasonable irrigation methods, soil salinization The growing problem of salinization and secondary salinization further reduces the productive capacity of the land. Due to the Na in saline-alkaline soil + Etc. accumulation makes soil physical and chemical properties and soil structure worse. At the same time, the high content of salt ions makes it difficult for crops to absorb water and nutrients, resulting in lack of seedlings or death of crops, which seriously hind...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01B79/02A01G22/15A01G22/00
CPCA01B79/02A01G22/00A01G22/15
Inventor 张凤华王巍琦
Owner SHIHEZI UNIVERSITY
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