Agriculture & Biology
Vigna subterranea
100%
Botswana
90%
nutrition
53%
phosphorus
50%
nitrogen
39%
soil
34%
shoots
19%
pigeon peas
12%
sowing
11%
crops
8%
uptake mechanisms
7%
irrigation
7%
soil minerals
7%
corn
7%
fertilizer application
5%
seed yield
5%
farm surveys
5%
farmers
5%
farms
5%
sand
4%
fertilizers
4%
leaf blade
4%
Rhizobium
3%
vegetative growth
3%
inoculum
3%
soil water
3%
legumes
3%
flowering
2%
germination
2%
specialty crops
2%
pure stands
2%
semiarid zones
2%
plowing
2%
research programs
2%
root shoot ratio
2%
topsoil
2%
filling period
2%
nodulation
2%
mineral fertilizers
2%
soil water content
1%
nutritional status
1%
dry matter accumulation
1%
drought tolerance
1%
nitrogen fertilizers
1%
root growth
1%
soil sampling
1%
growth and development
1%
planting
1%
minerals
1%
pests
1%
plant growth
1%
sampling
1%
developmental stages
1%
nutrients
1%
seeds
1%