Multifunctional stereoscopic desert sand pressing grass growing machine
Patent Information
- Authority / Receiving Office
- CN · China
- Current Assignee / Owner
- LANZHOU PETROCHEM COLLEGE OF VOCATIONAL TECH
- Publication Date
- 2019-08-09
- Estimated Expiration
- Not applicable · inactive patent
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Abstract
Description
technical field
[0001] The invention relates to the field of desert grass-planting machines, in particular to a multi-functional three-dimensional desert sand-pressing grass-planting machine. Background technique
[0002] Land desertification is spreading rapidly in the northwest of my country. There are nearly 400 million people living in desertification areas or affected by desertification, and the annual economic loss due to desertification is as high as 64 billion yuan. In addition to Taiwan Province and Shanghai, the other 29 provinces, municipalities and autonomous regions have varying degrees of wind erosion desertification and wind-sandified land distribution, especially the 13 provinces, municipalities and autonomous regions in Northwest, Northeast and North China are the most severely affected. Disasters such as drought, desertification and sandstorms occur from time to time, almost every year. For this reason, the party and the government have always attached gre...