Agriculture & Biology
grassland soils
100%
infiltration (hydrology)
83%
soil water
60%
grasslands
35%
Miscanthus sinensis
29%
Bromus inermis
28%
Panicum virgatum
24%
Medicago sativa
21%
surface area
18%
groundwater recharge
17%
hydrologic cycle
14%
Melilotus
14%
infiltration rate
14%
loess
12%
forage production
12%
surface water
11%
arid lands
11%
soil depth
11%
water supply
10%
arid zones
10%
plateaus
9%
regression analysis
8%
water
8%
irrigation
8%
Earth & Environmental Sciences
grassland soil
91%
infiltration
59%
soil water
57%
grassland
33%
surface area
15%
forage
11%
semiarid region
10%
soil depth
10%
hydrological cycle
10%
multiple regression
10%
loess
9%
recharge
9%
water supply
8%
irrigation
7%
plateau
7%
surface water
6%
water
6%
groundwater
6%
need
5%
program
5%
rate
3%