Agriculture & Biology
phosphorus
71%
Brassica
57%
cultivars
45%
soluble phosphorus
40%
Azolla
37%
organic wastes
32%
eutrophication
31%
aquatic plants
29%
phytoremediation
29%
macrophytes
29%
spring wheat
29%
solubilization
25%
water
23%
drainage
22%
Zea mays
22%
hunger
20%
gels
18%
corn
16%
surface water level
15%
rock phosphate
14%
soil
14%
soluble phosphates
13%
pumps
12%
biomass
12%
starvation
12%
phytoaccumulation
11%
algal blooms
10%
aquatic ecosystems
10%
nutrients
9%
wheat
9%
absorbents
9%
exudation
9%
crops
9%
shoots
8%
water quality
8%
phytomass
8%
managers
8%
edaphic factors
8%
plant anatomy
8%
biomass production
7%
orthophosphates
7%
genetic variation
7%
Aridisols
6%
tap roots
6%
calcium phosphates
6%
nonrenewable resources
5%
kinetics
5%
lateral roots
5%
potassium
5%
super absorbent polymers
5%
Earth & Environmental Sciences
cultivar
100%
phosphorus
63%
growth response
49%
artificial recharge
35%
backwater
33%
aquatic plant
31%
solubilization
29%
organic waste
29%
wheat
24%
maize
23%
recharge
23%
gel
22%
flooding
20%
biomass
18%
starvation
16%
soil
15%
shoot
15%
drainage
14%
particle
13%
genetic diversity
13%
crop
12%
water
11%
phosphate rock
11%
exudation
11%
material
10%
phosphate
10%
pump
9%
water level
9%
groundwater resource
9%
water scarcity
9%
well
8%
city
8%
groundwater
8%
nutrient
7%
orthophosphate
7%
experiment
7%
chlorophyll
7%
rooting
6%
aquifer
6%
station
6%
potassium
6%
rate
6%
fixation
6%
effect
6%
remobilization
6%
permeability
5%
water content
5%
polymer
5%
dose
5%
rhizosphere
5%