Combination of grass varieties suitable for restoring vegetation of black beach

Abstract

The invention relates to combined grass seeds which are suitable for the recovery of the black beach vegetation. The combined grass seed series are as follows: (1) the combined grass seeds are formed by blending Stipa aliena, Leymus and Puccinellia tenuiflora according to different weight proportions, and are suitable for the revegetation of the secondary bare area in all black beaches and cold and high meadow areas which takes ecological restoration as the objective; (2) the combined grass seeds are formed by blending Festuca sinensis, Poa crymophila of Qinghai and Kentucky bluegrass of Qinghai according to different weight proportions and are suitable for establishing artificial pasture, which takes grazing utilization as purpose, on the severe black beach with a slope that is less than or equal to 25 degrees; (3) the combined grass seeds are formed by blending Elymus nutans, Elymusbreviaristatus of Qinghai and Qinmu NO.1 siberian wildrye according to different weight proportions and are suitable for establishing artificial pasture, which takes grass mowing as purpose, on the severe black beach with a slope that is less than 7 degrees. The combined grass seed series of the invention have extensionality and still have space for extending the combination with the development of research and productive practice. The combined grass seed series of the invention are suitable for the revegetation of black beaches and applicable to the treatment of the black beach deteriorated grasslands with different types and grades.

Description

technical field [0001] The invention relates to a series of perennial combined grass species, in particular to a series of combined grass species with different functions suitable for vegetation recovery in alpine meadows (black soil beaches) on the Qinghai-Tibet Plateau. Background technique [0002] 1 Current Situation and Development Trend of Black Soil Beach The Qinghai-Tibet Plateau is called "the third level in the world", with unique geographical environment and special climatic conditions, the grassland ecosystem is dominated by alpine meadows. In recent years, under the joint influence of human society, production and management activities and the global climate, grasslands on the Qinghai-Tibet Plateau have been degraded on a large scale, and some alpine meadows have degraded into black soil beaches. The black soil beach is a secondary bare land formed after the extreme degradation of the alpine meadow on the Qinghai-Tibet Plateau, and is characterized by an alpine,...

AI Technical Summary

Problems solved by technology

[0005] Under the special climatic and environmental conditions of the Qinghai-Tibet Plateau, introduced grass species cannot achieve further development due to poor cold resistance adaptability and low wintering rate.