RESEARCH PROGRESS ON THE CAUSES AND RESTORATION OF DEGRADED GRASSLAND OF BLACK SOIL LAND IN QINGHAI PROVINCE
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.
Qinghai ProvinceBlack soil landForming mechanismRecovery and management
万方数据
维普
