Earth & Environmental Sciences
smallholder
96%
soybean
84%
fixation
76%
maize
69%
yield response
33%
nitrogen
18%
inoculation
17%
crop
16%
nutrient
15%
atmosphere
13%
household
12%
biological nitrogen fixation
12%
sowing date
12%
good management
11%
rhizobacterium
10%
plant population
10%
management technique
9%
biomass
9%
nitrogen fixation
9%
fertilizer application
9%
soil management
9%
farming system
8%
aboveground biomass
8%
integrated approach
7%
management practice
7%
fertilizer
6%
soil
6%
farm
6%
incorporation
6%
trial
6%
economy
6%
sand
4%
method
1%
Agriculture & Biology
Malawi
100%
soybeans
57%
farmers
55%
corn
48%
nitrogen
18%
crop management
17%
nitrogen fixation
16%
households
14%
nutrients
14%
biomass production
13%
small-scale farming
10%
NPK fertilizers
9%
assets
9%
soil management
9%
sowing date
8%
filling period
8%
aboveground biomass
7%
soil
7%
Rhizobium
7%
fertilizer application
7%
sand
6%
farming systems
6%
legumes
6%
grain yield
6%
fertilizers
5%
farms
5%
cultivars
4%
methodology
4%
crops
4%