Earth & Environmental Sciences
drought
100%
irrigation
97%
agriculture
91%
crop
77%
index
34%
crop yield
31%
effect
29%
evapotranspiration
26%
maize
26%
drought stress
25%
soybean
21%
wheat
17%
silage
13%
coping strategy
13%
covariance analysis
13%
sorghum
12%
panel data
12%
hay
12%
barley
11%
adaptation strategy
10%
natural hazard
10%
semiarid region
10%
arid region
10%
cotton
9%
incentive
9%
county
8%
rice
8%
anomaly
6%
decision
6%
winter
5%
summer
5%
resource
5%
analysis
2%
Agriculture & Biology
drought
99%
irrigation
99%
agriculture
94%
crops
57%
evapotranspiration
31%
crop yield
26%
water stress
16%
soybeans
14%
coping strategies
13%
corn
12%
analysis of covariance
12%
spring wheat
10%
corn silage
10%
arid zones
9%
hay
9%
winter wheat
9%
seasonal variation
8%
barley
7%
cotton
7%
rice
6%
summer
6%