As a special form of degraded grassland in alpine regions,black soil land distribution area is up to 4.47x106 hm2 in Qinghai Province,which seriously threatens local ecological security and animal husbandry production.The paper analyzes the formation mechanism of black soil land under the influence of natural and biological factors,and systematically summarizes the artificial restoration measures of grassland reconstruction,no-tillage reseeding and fertilization.The Research direction is putted forward to provide useful ideas and guidance of black soil land restoration in order to curb its further deterioration.
关键词
青海省/黑土滩/形成机制/恢复治理
Key words
Qinghai Province/Black soil land/Forming mechanism/Recovery and management