作者:
机构:
来源:AGRONOMY FOR SUSTAINABLE DEVELOPMENT
关键词:
China
Cropland
Grain yield
Chemical fertilizer
Rainfall
Temperature
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:JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE
关键词:
carbon
dryland
maize
nitrogen
rain-fed farming
年份:2018
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
作者:
机构:
来源:JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE
关键词:
nitrogen (N) fertilizer
nitrogen use efficiency
environment
grain yield
年份:2011
作者:
机构:
来源:JOURNAL OF SOIL SCIENCE AND PLANT NUTRITION
关键词:
Cropland; grain yield; soil productivity; fertilizer; fertilizer-use efficiency
年份:2018