Method for controlling sand and fixing desert by liquid mulch film

Abstract

After the crops, Chinese medicinal herbs, shrub and arbor are sowed or cuttage grafted on the deteroirated grassland desert and desertified land the liquid mulch film raw juice is mixed with 4-12 times clear water, and uniformly sprayed on the above-mentioned desertified land, said liquid mulch film possesses strong coherent action, and can make soil form agglomeration body so as to can prevent wind erosion and water erosion, and can increase soil temp. by 1-4 deg.C, and its evaporation inhibiting rate is above 30%, and its water content can be raised by above 20%, so that it can culture well-growing vegetation so as to attain the goal of controlling sand and fixing film.

Description

technical field [0001] The invention relates to a method for controlling sand and desert by using a liquid mulch film in a land desertification control project. Background technique [0002] The impact of desertification on the development of local economy is a common issue faced by countries all over the world in environmental protection. [0003] my country's land degradation, an average of 2100 square kilometers of newly added desertified land every year, seriously affects and restricts the further development of my country's national economy. [0004] In the past, traditional methods such as planting grass and trees were mainly used to control land deserts. Traditional methods cannot meet the requirements of governance speed and effect because of their poor resistance and slow time to take effect. Contents of the invention [0005] The purpose of the present invention is to use the method of spraying liquid mulch to control the deserted land and to prevent and contro...

AI Technical Summary

Problems solved by technology

Traditional methods cannot meet the requirements of governance speed and effect due to their poor resistance and slow time to take effect