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Repair method for degraded grassland by mixed sowing of millet and beans

A technology of degraded grassland and restoration methods, applied in the field of soil restoration, can solve problems such as grassland degradation and achieve the effect of soil improvement

Pending Publication Date: 2022-05-31
青海省草原改良试验站
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] For this reason, the present invention provides a method for repairing degraded grassland by mixed sowing of grass and beans, so as to solve the problems of grass and pasture degradation in Northwest China and plateau areas.

Method used

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  • Repair method for degraded grassland by mixed sowing of millet and beans

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Effect test

Embodiment 1

[0027] Embodiment 1 A kind of restoration method of grass and bean mixed sowing to degraded grassland

[0028] A method for repairing degraded grassland by mixed sowing of grass and beans, said method comprising the following steps:

[0029] Step 1, land pre-treatment

[0030] Select the degraded grassland as the restoration object, fence and seal the restoration object, double the degraded grassland, and spread organic fertilizer on the sowing field before sowing;

[0031] Step 2, mixing the seeds

[0032] Mix the leguminous seeds and grass seeds; after mixing evenly, the seeds are evenly sown on the pretreated land and spread;

[0033] Step 3, cover and cultivate grass

[0034] After sowing, cover the grassland with non-woven fabrics, and spray irrigation with water and fertilizer after the grassland germinates.

[0035] Preferably, in said step one, the method for doubling the land is a plow or a tiller.

[0036] Preferably, in the step 1, the organic fertilizer is pro...

Embodiment 2

[0043] Embodiment 2 A kind of restoration method of grass and bean mixed sowing to degraded grassland

[0044] A method for repairing degraded grassland by mixed sowing of grass and beans, said method comprising the following steps:

[0045] Step 1, land pre-treatment

[0046] Select the degraded grassland as the restoration object, fence and seal the restoration object, double the degraded grassland, and spread organic fertilizer on the sowing field before sowing;

[0047] Step 2, mixing the seeds

[0048] Mix the leguminous seeds and grass seeds; after mixing evenly, the seeds are evenly sown on the pretreated land and spread;

[0049] Step 3, cover and cultivate grass

[0050] After sowing, cover the grassland with non-woven fabrics, and spray irrigation with water and fertilizer after the grassland germinates.

[0051] Preferably, in said step one, the method for doubling the land is a plow or a tiller.

[0052] Preferably, in the step 1, the organic fertilizer is pro...

Embodiment 3

[0059] Embodiment 3 A kind of restoration method of grass and bean mixed sowing to degraded grassland

[0060] A method for repairing degraded grassland by mixed sowing of grass and beans, said method comprising the following steps:

[0061] Step 1, land pre-treatment

[0062] Select the degraded grassland as the restoration object, fence and seal the restoration object, double the degraded grassland, and spread organic fertilizer on the sowing field before sowing;

[0063] Step 2, mixing the seeds

[0064] Mix the leguminous seeds and grass seeds; after mixing evenly, the seeds are evenly sown on the pretreated land and spread;

[0065] Step 3, cover and cultivate grass

[0066] After sowing, cover the grassland with non-woven fabrics, and spray irrigation with water and fertilizer after the grassland germinates.

[0067] Preferably, in said step one, the method for doubling the land is a plow or a tiller.

[0068] Preferably, in the step 1, the organic fertilizer is pro...

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Abstract

The invention discloses a method for restoring degraded grassland through mixed sowing of millet and beans, and particularly relates to the field of land restoration. The method comprises the steps of land pretreatment, seed mixing and covering for grass breeding. By using the organic fertilizer, vegetation growth is promoted, and the problems of soil depletion and the like caused by long-term excessive application of chemical fertilizer are also avoided. After the organic fertilizer is applied to the degenerated 3-year-old artificial grassland, the vegetation coverage is rapidly increased in a short time and is not obviously reduced along with the prolonging of the recovery time, and it is indicated that the fertilizer efficiency of the organic fertilizer is well kept. The vegetation height also tends to increase after the organic fertilizer is applied, and the vegetation height is obviously increased along with the progress of the recovery time. The fresh weight and the dry weight of the overground part are increased in the current year when the organic fertilizer is applied, the fresh weight is obviously increased, the biomass of the overground part is also increased along with the prolonging of the recovery time, and meanwhile, the degraded artificial grassland can be naturally recovered under the condition that the degraded artificial grassland is not utilized along with the prolonging of the recovery time.

Description

technical field [0001] The invention relates to the field of soil remediation, in particular to a method for remediating degraded grassland by mixed sowing of grass and beans. Background technique [0002] Northwest China is dominated by plateaus and basins, with an average altitude of 1000-2000 meters; mainly grassland soil and desert soil, the soil is relatively poor, due to geographical location, climate change, population development, animal husbandry overload, and deforestation. Influenced by human factors such as excessive excavation and indiscriminate mining, large-scale regression (sand) and pot bottom pits (mine pits) have occurred. [0003] In recent years, in terms of ecological restoration of grasslands, my country has launched projects such as returning farmland to forests, returning farmland to grassland, returning grazing land to grassland, fencing, controlling sandstorm sources in Beijing and Tianjin, and ecological restoration of mines. The implementation o...

Claims

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Application Information

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IPC IPC(8): A01G22/00A01G22/40A01C21/00
CPCA01G22/00A01G22/40A01C21/005Y02A40/22
Inventor 赵阳安羊秀本周学丽土旦加芦光新张海娟颜珲璘
Owner 青海省草原改良试验站
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