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Treating process of heavy saline-alkali grassland

A salinization and grassland technology, applied in land preparation methods, botanical equipment and methods, restoration of polluted soil, etc., can solve the problems of poor effect and singleness of severely salinized grassland.

Inactive Publication Date: 2007-08-22
倪红伟
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The purpose of the present invention is to solve the problem of poor effect of using a single, common method to control severely salinized grassland
The treatment method of severe salinization grassland of the present invention utilizes the method of optimal combination of three systems of vegetation + ecological preparation restoration + artificial promotion restoration to solve the problem of poor effect of using a single, common method to control severe salinization grassland

Method used

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specific Embodiment approach 1

[0007] Specific embodiment one: the control method of the severe saline-alkali grassland of the present embodiment is realized according to the following steps: one, the determination of the saline-alkali degree of the grassland: in May at the beginning of the year, the saline-alkali water in the surface vegetation coverage rate is less than 30% Grassland soil test, soil pH value greater than 9.5 is severe saline-alkali grassland; 2. Grass seed preparation: choose the seeds of saline-alkali-tolerant plants or the seeds of dominant plants that grow well in the local area or the seeds of excellent cultivated forage grasses, mainly stars For grass seeds, the purity of the seeds is 90-99%, and the germination rate of the seeds is 80-90%. , soil clods are raked; 4. The application of ecological preparations: take weathered coal with a humic acid content greater than 35% by weight percentage, and grind it into powder or granules with a particle size of 0.1-5mm; apply at 50-60 kilogra...

specific Embodiment approach 2

[0008] Specific embodiment two: the difference between this embodiment and specific embodiment one is that the purity of the seeds in step (two) is 92-96%, and the germination rate of the seeds is 81-89%

specific Embodiment approach 3

[0009] Specific embodiment three: the difference between this embodiment and specific embodiment one is that the depth of shallow soil plowing in step (3) is 9 cm.

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Abstract

The treating process of heavily salinized grassland includes tilling the soil in the depth of 8-10 cm, crushing weathered coal with humic acid content greater than 35 % and crushing into powder or grain in granularity of 0.1-5 mm, applying the ecological preparation in 50-60 kg / mou, seeding grass in the seed amount of 4-7 kg / mou and soil covering depth of 0.5-1 cm, pressing for 1-3 times and eliminating weeds. The present invention can improve salinized grassland completely and has the advantages of low cost, high efficiency and high adaptability.

Description

technical field [0001] The invention relates to a treatment method for saline-alkali grassland. Background technique [0002] The improvement of saline-alkali land is a worldwide problem. The saline-alkali land area in the world is nearly one billion hectares, accounting for about a quarter of the total land area of ​​cultivated land, and spread across five continents. The area of ​​saline-alkali land in my country is about 40 million hectares, mainly distributed in the "Three Norths" and coastal areas. Especially in recent years, soil salinization has intensified and expanded, and it has become an important factor restricting the economic development of my country and some other countries in the world. factor. There are many causes of grassland salinization, but the main cause is the irrational development and utilization of human beings, such as overgrazing, farmland reclamation, oil exploitation, etc., which degrades the grassland, salinizes it, and even desertifies it. ...

Claims

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Application Information

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IPC IPC(8): B09C1/00B09C1/10A01B79/00A01G1/00
Inventor 倪红伟曾昭文王继丰焉志远付晓玲吴海一李景富王建波邢军会高玉慧罗春雨
Owner 倪红伟
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