作者:
机构:
来源:NUTRIENT CYCLING IN AGROECOSYSTEMS
关键词:
crop residue
dryland
fertilizer
maize
manure
nitrogen
nutrient management
nutrient use efficiency
phosphorus
potassium
water use efficiency
年份:2007
作者:
机构:
来源:NUTRIENT CYCLING IN AGROECOSYSTEMS
关键词:
crop residue
dryland
fertilizer
maize
manure
nitrogen
nutrient balances
nutrient management
soil fertility
soil organic carbon
年份:2007