Earth & Environmental Sciences
bioavailability
58%
rice
53%
zinc
50%
transition
38%
rhizosphere
8%
mobilization
8%
soil
6%
cultivation system
6%
exudation
5%
crop rotation
5%
redox conditions
4%
inoculation
4%
genotype
4%
cereal
4%
production system
4%
oxic conditions
4%
organic acid
4%
trade-off
4%
nutrition
4%
cropping practice
4%
biological processes
4%
management practice
3%
tolerance
3%
organic compound
3%
chemical property
3%
fertilizer
3%
crop
2%
effect
2%
water
2%
sampling
2%
modeling
1%
rate
1%
method
0%
Agriculture & Biology
bioavailability
59%
zinc
48%
rice
40%
uptake mechanisms
11%
chelating agents
9%
rhizosphere
7%
zinc fertilizers
6%
phytosiderophores
6%
biofortification
5%
application timing
5%
exudation
5%
human nutrition
5%
water shortages
5%
soil chemical properties
5%
aerobic conditions
4%
organic compounds
4%
foliar application
4%
application methods
4%
soil treatment
4%
soil pH
4%
cropping systems
4%
organic acids and salts
4%
production technology
3%
genotype
2%
crops
2%
soil
2%
water
1%
sampling
1%
Engineering & Materials Science
Biological Availability
100%
Zinc
66%
Soils
12%
Crops
9%
Organic acids
6%
Organic compounds
5%
Oxidation-Reduction
5%
Fertilizers
5%
Nutrition
5%
Chemical properties
4%
Water
4%
Sampling
2%
Chemical Compounds
Bioavailability
60%
Rhizosphere
12%
Soil
10%
Crop Rotation
8%
Chelating Agent
7%
Phytosiderophore
7%
Redox Condition
5%
Fertilizer
5%
Organic Acid
4%
Application
3%
pH Value
3%
Sampling
3%
Chemical Transformation
2%
Environment
2%