Earth & Environmental Sciences
atmospheric carbon dioxide
95%
land management
78%
land use
52%
climate
42%
crop
34%
food
32%
environmental change
27%
agricultural change
24%
irrigation
24%
yield response
23%
productivity
21%
climate forcing
19%
water use efficiency
18%
agricultural practice
17%
food production
16%
water availability
16%
management practice
14%
land use change
14%
fertilizer
13%
spatial variation
13%
agriculture
11%
climate change
9%
modeling
6%
rate
5%
water
4%
effect
3%
Agriculture & Biology
land management
100%
land use
77%
climate change
66%
carbon dioxide
62%
radiative forcing
27%
crops
25%
model food systems
24%
land use change
19%
water requirement
19%
fertilizer rates
18%
irrigation rates
17%
spatial variation
17%
food production
15%
irrigation water
15%
water use efficiency
15%
climate
12%
agriculture
11%
Chemical Compounds
Carbon Dioxide
62%
Food
56%
Irrigation Water
33%
Irrigation
29%
Fertilizer
24%
Reaction Yield
8%