conversition of slope cultivated land into planting grass and tree
recovery of cultivated slope land into forest and grass
Steep cultivated slope land
CULTIVATED LAND ON STEEP SLOPE
slope grade for cultivated land
Amount of cultivated land reserved
area of cultivated land
balance of cultivated land occupation and compensa
Balance of cultivated land occupied and complemented
balance of cultivated land’s occupation and compen
balance of cultivated land’s occupation and compensation in different region
bearing capacity of cultivated land and population
benchmark cultivated land
cause of cultivated land decrease
change in cultivated land
change of cultivated land
change of cultivated land resource
changes of cultivated land