Earth & Environmental Sciences
nutrient balance
100%
agricultural land
55%
land use
46%
decision
44%
monitoring
36%
fertilizer
36%
nutrient
27%
prices policy
23%
biological nitrogen fixation
21%
green manure
21%
redress
20%
cover crop
18%
mineral fertiliser
18%
agroforestry
16%
tea
16%
water erosion
16%
wet deposition
16%
dry deposition
15%
crop production
15%
soil conservation
15%
fertility
14%
manure
13%
denitrification
12%
maize
12%
grazing
12%
farm
11%
potassium
11%
leaching
10%
sustainability
10%
sedimentation
10%
phosphorus
10%
crop
10%
productivity
9%
policy
8%
nitrogen
8%
ecosystem
8%
loss
7%
removal
7%
effect
6%
Agriculture & Biology
nutrient balance
89%
agricultural land
68%
land use
68%
monitoring
44%
fertilizers
40%
Kenya
35%
nutrients
31%
wet deposition
29%
dry deposition
28%
land policy
28%
water erosion
26%
soil conservation
22%
denitrification
21%
green manures
20%
agroforestry
19%
cover crops
19%
mineral fertilizers
18%
nitrogen fixation
17%
tea
17%
leaching
17%
crop production
16%
grazing
14%
potassium
13%
ecosystems
13%
phosphorus
12%
farms
11%
corn
10%
nitrogen
10%
crops
9%