北方旱地农业
Dry Land Agriculture in North China
旱地农业建设
dryland farming construction
黄土高原土壤侵蚀与旱地农业国家重点实验室
State Key Laboratory of Soil Erosion and Dryfarming on Loess Plateau
干旱地区农业研究
agricultural research in the arid areas
北方旱农地区
dryland field in Northern China
旱地农田
dryland farm
Non-irrigation field
arid farmland
Rainfed farmland
yield-increasing mechanism
supplementary irrigation with catchment of rainfall
农业旱涝灾害
agricultural drought and flood disaster
农业旱涝指标
Agricultural Drought and Flood Index
农业旱情
Agricultural drought
the Agricultural losses to drought
农业旱灾
Agricultural drought
agricultural drought disaster
agriculture drought disaster
drought disaster in agriculture
agro-drought
农业旱灾风险
agricultural drought disaster risk
草地农业
grassland farming
grassland agriculture
artificial meadow agricultural system
grassland agroecosystem
the grassland agro-system
ley farming
pastoral agriculture
pastoral agriculture science
Agro-grassland system
pastoral agricultyre system
pastoral agriculturesystem
pratacultural
hexi corridor
Grassland-agriculture
草地农业产业政策
policiys of the grassland agriculture industry