‘black soil type’ degraded grassland
’black soil beach’degraded meadow
’Black soil patch’ degraded meadow
’Black Soil Type’ degraded grasslands
“Black soil type” deteriorated grassland
“black soil type”deteriorated grassland
“Black soil”degraded grassland
“Black-soil” type degraded grassland
agricultural black soil
basic characteristic of ’black soil’
black soil
农田黑土
黑土滩
黑土区
吉林黑土
苏打盐土
黑色土壤
黑土土壤
黑龙江省
黑土
黑土带
black soil area in Northeast
Black soil beach artificial grassland
black soil beach degraded meadow
black soil beach grassland