Agriculture & Biology
variable rate application
98%
Chloris gayana
92%
irrigation water
63%
nitrogen fertilizers
58%
hay
20%
grass hay
18%
deficit irrigation
17%
irrigation
16%
fertilizer application
13%
irrigated farming
9%
application technology
8%
fertigation
8%
nitrogen
8%
irrigation rates
8%
nutrient use efficiency
7%
evapotranspiration
7%
water
5%
experimental design
5%
fertilizers
5%
crops
3%
Earth & Environmental Sciences
fertilizer
55%
grass
54%
irrigation
49%
hay
40%
nitrogen
38%
harvest
28%
rate
20%
water
19%
fertilizer application
7%
water saving
7%
evapotranspiration
5%
field experiment
5%
crop
4%
effect
1%
Medicine & Life Sciences
Fertilizers
100%
Poaceae
80%
Nitrogen
63%
Water
42%
Technology
7%