Earth & Environmental Sciences
forage crop
100%
warming
48%
plateau
46%
phosphorus
44%
forage
40%
cold region
29%
pasture
24%
grassland
20%
climate
20%
open-top chamber
18%
belowground biomass
16%
damage
16%
soil
15%
phosphatase
13%
genotype
13%
aboveground biomass
13%
oxidant
12%
vapor pressure
12%
photosynthesis
12%
livestock
11%
primary production
11%
grazing
10%
water vapor
10%
cold
8%
effect
8%
demand
8%
biomass
7%
nitrogen
7%
Engineering & Materials Science
Phosphorus
75%
Crops
69%
Soils
29%
Biomass
22%
Phosphatases
20%
Photosynthesis
19%
Oxidants
16%
Vapor pressure
15%
Water vapor
13%
Nitrogen
11%
Temperature
4%
Chemical Compounds
Phosphorus(.)
51%
Leaf Like Crystal
31%
Soil
31%
Photosynthesis
14%
Vapor Pressure
12%
Water Vapor
11%
Reduction
11%
Nitrogen
7%