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Mixed sowing improvement method of saliferous grassland

A salinization and grassland technology, which is applied in soil preparation methods, botanical equipment and methods, horticulture, etc., can solve the problems of salt-resistant and salt-tolerant plants with poor economic benefits, so as to improve the yield and quality of forage grass and achieve obvious economic benefits , Improve the effect of vegetation coverage

Inactive Publication Date: 2019-08-30
HENAN UNIVERSITY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In the process of salinization treatment of grassland, salt-resistant and salt-tolerant plants are mainly planted. Although planting these plants can effectively increase the coverage of saline grassland plants, the economic benefits of salt-resistant and salt-tolerant plants are not good

Method used

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  • Mixed sowing improvement method of saliferous grassland
  • Mixed sowing improvement method of saliferous grassland
  • Mixed sowing improvement method of saliferous grassland

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Embodiment Construction

[0013] The specific technical solutions of the present invention are described in conjunction with the examples.

[0014] In this example, the shallow columnar alkaline soil and meadow alkaline soil grassland with severe soda alkalization are taken as experimental research plots, aiming at the degradation characteristics of pasture, grazing land and severely salinized meadow pasture, through irrigation, fertilization, fine pasture varieties The introduction of orchid enclosure, manual plowing and supplementary seeding to establish semi-artificial grasslands, rapidly improve the vegetation coverage, forage yield and quality of degraded grasslands, and establish a pilot demonstration area for supporting technologies for directional transformation of degraded grasslands.

[0015] For severely degraded meadows and alkaline soil grasslands, the combination of leguminous and gramineous forages, and the combination of annual and perennial plants is used for sowing. It can greatly imp...

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Abstract

The invention provides a mixed sowing improvement method of saliferous grassland. The method comprises the following steps that (1) the grassland is mechanically ploughed by 25 centimeters, and soil is raked to be flat and fine; (2) grass seeds of mixed forage are sowed, wherein the grass seeds of the mixed forage comprise leymus chinensis seeds, elymus dahuricus seeds, melilotus officinalis seedsand astragalus adsurgens seeds, and the seeds are sowed in the period between late May and the beginning of June. According to the method, not only can the vegetation coverage of the deteriorated grassland be quickly improved, but also the yield and quality of the forage grass can be improved, and the method has significant economic benefits.

Description

technical field [0001] The invention belongs to the technical field of salinization improvement, and in particular relates to a method for improving salinized grassland mixed sowing. Background technique [0002] Land salinization refers to the process in which the salt in the bottom soil or groundwater rises to the surface with capillary water, and after the water evaporates, the salt accumulates in the surface soil. It refers to the phenomenon or process in which soluble salt accumulates on the soil surface, also known as salinization. China's saline soil or saline-alkali soil has a wide distribution range, a large area, and many types, with a total area of ​​about 100 million hectares. It mainly occurs in arid, semi-arid and sub-humid regions. The soluble salts of saline-alkali soil mainly include sulfate, chloride, carbonate and bicarbonate of sodium, potassium, calcium, magnesium, etc. Sulfates and chlorides are generally neutral salts, and carbonates and bicarbonate...

Claims

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Application Information

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IPC IPC(8): A01B79/02A01G22/00
CPCA01B79/02A01G22/00
Inventor 郭美霞周艳梅苗仁辉苗原陈安群杨中领
Owner HENAN UNIVERSITY
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