山地旱作区
Mountainous and arid area
农作物地理分布
Geographical Distribution of Crops
作物地下水利用量
groundwater uptake by crops
间作作物竞争力
Competitiveness of intercropped crops
Aggressivity of intercropped crop
FA旱地龙
FA
FA yellow-humic acid drought resistance agent
FA handinong
FA handilong
fulvic acid