Keyphrases
Agriculture
92%
Surface Water
90%
Spatially Explicit
89%
Phosphorus
81%
Shared Socioeconomic Pathways
78%
Phosphorus P
64%
Coastal Ocean
48%
Nitrogen N
45%
Global Model
45%
Freshwater
44%
River Export
42%
Nutrient Export
42%
Eutrophication
41%
Cropland
40%
World Population
39%
Water Quality
38%
Crop Production
37%
Harmful Algal Blooms
35%
Inland Waters
34%
Nutrient Loading
34%
Anthropocene
34%
Global Environment
34%
Nutrient Model
33%
Nitrogen Phosphorus
33%
China
33%
Sanitation
31%
20th Century
31%
River Basin
31%
Food Production
30%
Coastal Waters
28%
Europe
28%
P Fertilizer
28%
Global Rivers
28%
Hydrology
27%
Groundwater
27%
Proton-neutron Pairing
24%
In-stream
23%
N Input
23%
Coastal Zone
23%
Global Change
23%
Phosphorus Load
23%
Global Cropland
23%
Nitrogen Cycle
23%
Nitrogen Source
23%
Point Source
23%
Phosphorus Export
22%
Nitrogen Loading
22%
Phosphorus Retention
22%
Nitrogen Fertilizer
22%
Fertilizer
21%
Earth and Planetary Sciences
Emissions
100%
Surface Water
96%
Eutrophication
92%
Shared Socioeconomic Pathways
84%
Farmland
75%
China
63%
Environmental Impact Assessment
46%
Land Use
46%
Harmful Algal Blooms
40%
Coastal Water
37%
Inland Water
37%
Anthropocene
33%
Europe
32%
Crop Production
29%
Food Production
28%
Sustainable Development Goals
28%
Denitrification
25%
Biogeochemistry
24%
Climate Change
23%
Coastal Environment
23%
India
23%
Population Growth
22%
Dissolved Inorganic Nitrogen
21%
Production System
21%
Asia
20%
Anthropogenic Source
20%
Grassland
19%
Aquatic Environment
19%
Africa
19%
Waste Water Treatment
19%
Water Column
18%
Ecosystem Assessment
18%
Nonpoint Source
18%
Dissolved Inorganic Phosphorus
17%
Nutrient Use
17%
Global Change
17%
Americas
16%
Nutrient Pollution
16%
Environmental Problem
15%
Agricultural Production
15%
Mississippi
15%
Farming System
15%
Soil Chemistry
14%
Green Revolution
14%
Headwater
13%
North America
13%
Nitrogen Cycle
13%
Atmospherics
13%
Subsaharan Africa
13%
Human Health
13%