Agriculture & Biology
inorganic carbon
100%
cropland
92%
soil organic carbon
86%
flood irrigation
86%
organic carbon
82%
microirrigation
69%
irrigation
59%
bacterial biomass
53%
calcium
39%
soil
38%
fungal biomass
31%
organic soils
28%
desert soils
18%
dissolved organic carbon
17%
subsurface irrigation
16%
soil carbon
15%
water shortages
14%
carbon sequestration
14%
soil chemical properties
14%
calcium carbonate
14%
carbonates
14%
irrigation systems
13%
arid lands
13%
bicarbonates
13%
leaching
12%
rooting
12%
population growth
11%
cations
11%
water
10%
crops
6%
methodology
3%
Earth & Environmental Sciences
inorganic carbon
88%
organic carbon
58%
irrigation
58%
drip irrigation
49%
soil
32%
calcium
29%
biomass
18%
organic soil
15%
desert soil
10%
rooting
9%
irrigation system
8%
water scarcity
8%
carbon storage
8%
bicarbonate
7%
soil carbon
7%
water demand
7%
calcium carbonate
7%
dissolved organic carbon
7%
population growth
7%
chemical property
6%
cation
6%
flooding
5%
leaching
5%
crop
5%
carbonate
5%
water
2%
Medicine & Life Sciences
Soil
82%
Carbon
75%
Biomass
26%
Calcium
14%
Water
10%
calcium bicarbonate
9%
Carbonates
7%
Calcium Carbonate
6%
Population Growth
6%
Cations
5%
Growth
2%