Agriculture & Biology
agriculture
3%
beneficial microorganisms
5%
biogeochemical cycles
4%
carbon
2%
conservation areas
3%
cropland
5%
fertilizers
3%
grasses
3%
greenhouse experimentation
4%
host plants
3%
land productivity
6%
land use
60%
livestock
6%
mycorrhizal fungi
60%
national parks
3%
nutrient availability
4%
nutrients
4%
organic soils
4%
phosphorus
3%
phytomass
4%
savanna soils
100%
soil
31%
soil fertility
3%
soil microorganisms
13%
soil organic matter
59%
soil sterilization
6%
soil types
4%
species diversity
3%
Tanzania
4%
testing
1%
Themeda triandra
12%
tropical soils
83%
wildlife
12%
Zea mays
10%
Earth & Environmental Sciences
agriculture
2%
biomass
2%
carbon
2%
crop rotation
4%
experiment
1%
fertilizer
3%
fungus
54%
grass
3%
host plant
4%
land
2%
land use
41%
livestock
6%
national park
3%
nutrient
7%
nutrient availability
4%
organic matter
7%
organic soil
3%
phosphorus
2%
plant species
13%
productivity
43%
protected area
3%
savanna
66%
soil
26%
soil fertility
3%
soil organic matter
59%
soil type
3%
test
1%
tropical soil
4%
wildlife
9%