Earth & Environmental Sciences
nutrient budget
100%
crop
51%
nutrient
46%
nutrient use efficiency
38%
budget
20%
nutrient use
19%
alternative agriculture
14%
agricultural ecosystem
13%
eutrophication
10%
sustainability
8%
phosphorus
8%
food
8%
demand
7%
province
7%
nitrogen
7%
indicator
7%
trend
5%
Medicine & Life Sciences
Budgets
81%
Nutrients
61%
China
57%
Eutrophication
14%
Agriculture
9%
Beijing
8%
Phosphorus
8%
Nitrogen
7%
Food
5%
Engineering & Materials Science
Nutrients
89%
Crops
79%
Eutrophication
13%
Fluxes
12%
Phosphorus
9%
Agriculture
8%
Nitrogen
7%
Sustainable development
7%
Chemical Compounds
Nutrient
76%
Eutrophication
12%
Indicator
6%
Phosphorus(.)
6%
Food
5%
Nitrogen
4%