Earth & Environmental Sciences
West Africa
100%
millet
94%
temporal variation
79%
cropping practice
70%
land use
62%
physical environment
52%
sowing date
36%
cultivation method
34%
policy
28%
erratic
27%
production system
24%
water conservation
24%
water availability
23%
labor
22%
effect
21%
soil type
21%
decision making
17%
crop
16%
weather
16%
engineering
14%
rainfall
14%
economics
13%
analysis
12%
loss
12%
cost
12%
simulation
10%
Agriculture & Biology
temporal variation
99%
Western Africa
98%
land use
91%
millets
64%
cropping systems
53%
semiarid zones
45%
Mali
23%
water conservation
23%
generators (equipment)
22%
meteorological data
21%
Pennisetum glaucum
21%
sowing date
20%
growth models
20%
simulation models
19%
decision making
18%
soil types
18%
engineering
16%
labor
16%
production technology
15%
rain
14%
economics
12%
crops
9%
water
7%
methodology
5%