A degraded alpine meadow restoration material with water and heat balance

A repair material and high-cold technology, which is applied in the fields of lawn growth, agricultural machinery and implements, and soil preparation methods, can solve problems such as difficulty in adapting to the promotion and application of the Qinghai-Tibet Plateau, difficulty in self-recovery of damaged alpine meadows, and slow cycle conversion rate, etc., to achieve Improve feeding value, improve resilience and biodiversity, and reduce the effect of leaching damage

Active Publication Date: 2022-08-05
INST OF ENVIRONMENT & SUSTAINABLE DEV IN AGRI CHINESE ACADEMY OF AGRI SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the restoration of damaged alpine meadows mainly adopts the management measures of enclosing and prohibiting grazing. However, due to the slow conversion rate of material circulation in the alpine environment, it is difficult for damaged alpine meadows to recover on their own without the input of external material and energy.
The existing meadow restoration methods on the Qinghai-Tibet Plateau are mainly carried out by supplementary seeding and fertilization, and there are few artificial meadow layers, and the restoration methods of artificial meadow layers based on water and heat balance have not been reported.
Due to the extremely high altitude of the Qinghai-Tibet Plateau, strong radiation, large temperature differences, and easy aging of materials, vegetation blankets made of plant fibers have problems such as high cost, difficult transportation, and easy disintegration, and it is difficult to adapt to the promotion and application of the Qinghai-Tibet Plateau.

Method used

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  • A degraded alpine meadow restoration material with water and heat balance

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] In this example, the degraded alpine meadow is restored. The restoration process is as follows: in late spring and early summer, the temperature reaches above zero degrees Celsius from April to May, and a rain-proof shed is built near the alpine meadow to be restored to make an artificial meadow bed. Before the alpine meadow is deficient in patches, the soil should be dug out first. The excavated soil of the alpine meadow should first use a 50-mesh sieve to throw away coarse sand and gravel, and then pass the remaining soil through a 100-mesh sieve and pass the 100-mesh sieve. The sieved soil with physical cohesion is used to make the water retention layer of the artificial meadow bed, the silt soil that has not passed the 100-mesh sieve is used to make the nutrient layer and the seed layer of the artificial meadow bed, and the sieved soil is used to make artificial grass The specific process of the bedding includes the following steps:

[0034]S1. Mix and stir the bent...

Embodiment 2

[0042] In this example, the degraded alpine meadow is restored. The restoration process is as follows: in late spring and early summer, the temperature reaches above zero degrees Celsius from April to May, and a rain-proof shed is built near the alpine meadow to be restored to make an artificial meadow bed. Before the alpine meadow is deficient in patches, the soil should be dug out first. The excavated soil of the alpine meadow should first use a 50-mesh sieve to throw away coarse sand and gravel, and then pass the remaining soil through a 100-mesh sieve and pass the 100-mesh sieve. The sieved soil with physical cohesion is used to make the water retention layer of the artificial meadow bed, the silt soil that has not passed the 100-mesh sieve is used to make the nutrient layer and the seed layer of the artificial meadow bed, and the sieved soil is used to make artificial grass The specific process of the bedding includes the following steps:

[0043] S1. The bentonite and th...

Embodiment 3

[0051] In this example, the degraded alpine meadow is restored. The restoration process is as follows: in late spring and early summer, the temperature reaches above zero degrees Celsius from April to May, and a rain-proof shed is built near the alpine meadow to be restored to make an artificial meadow bed. Before the alpine meadow is deficient in patches, the soil should be dug out first. The excavated soil of the alpine meadow should first use a 50-mesh sieve to throw away coarse sand and gravel, and then pass the remaining soil through a 100-mesh sieve and pass the 100-mesh sieve. The sieved soil with physical cohesion is used to make the water retention layer of the artificial meadow bed, the silt soil that has not passed the 100-mesh sieve is used to make the nutrient layer and the seed layer of the artificial meadow bed, and the sieved soil is used to make artificial grass The specific process of the bedding includes the following steps:

[0052] S1. Bentonite and viscou...

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Abstract

The invention provides a degraded alpine meadow restoration material with a balance of water and heat, including a water-retention layer, a nutrient layer and a seed layer from bottom to top; the water-retention layer is: soil a and bentonite are mixed and stirred to form a slurry, poured into a mold, and pressed to dry. Form; the thickness of the water-retaining layer is 3cm~8cm; the nutrient layer is: cut the Elysium vulgaris and oat into long sections, add the fermented yak manure and chemical fertilizer, mix and stir with soil b to form a slurry, and pour it on the upper part of the layer, Natural drying to form; the thickness of the nutrient layer is 8cm-15cm; the seed layer is: stir and mix the seeds and soil c, and water the upper part of the nutrient layer to form; the thickness of the seed layer is 2cm-3cm. The repairing material of the invention can effectively solve the problem of water and heat loss from damaged patches in alpine meadows, can effectively maintain the balance of water and heat in the meadow layer, and is very promising for large-scale application in repairing damaged patches in alpine meadows.

Description

technical field [0001] The invention belongs to the technical field of degraded alpine meadow restoration materials, in particular to a degraded alpine meadow restoration material with water and heat balance. Background technique [0002] As the "third pole of the world", the Qinghai-Tibet Plateau has created a unique alpine ecosystem due to its high altitude. The alpine grassland on the Qinghai-Tibet Plateau accounts for about one third of the country’s grassland area. Alpine grassland is not only the basis for local animal husbandry and herdsmen’s life, but also has a variety of ecological functions such as: windbreak and sand fixation, water conservation, soil erosion prevention, climate regulation, maintenance Biodiversity and carbon sequestration are important ecological security barriers in my country and even Southeast Asia. The climatic conditions of the Qinghai-Tibet Plateau are harsh and the ecological environment is extremely fragile. Once damaged, it is difficult...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G20/10A01B79/02A01C21/00
CPCA01G20/10A01B79/02A01C21/005
Inventor 高清竹余沛东胡国铮干珠扎布
Owner INST OF ENVIRONMENT & SUSTAINABLE DEV IN AGRI CHINESE ACADEMY OF AGRI SCI
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