Agriculture & Biology
aboveground biomass
10%
animal husbandry
12%
biomass
6%
Canavalia
16%
Canavalia brasiliensis
18%
case studies
8%
continuous cropping
13%
corn
64%
crop residues
22%
crop yield
9%
cropping systems
39%
crops
22%
degradation
18%
economics
6%
farm families
15%
farm income
13%
farm surveys
14%
farmers
7%
farming systems
85%
farms
62%
fertilizers
23%
food crops
11%
Hibiscus sabdariffa
100%
household income
39%
intercropping
22%
leaching
10%
legumes
16%
livelihood
11%
management systems
10%
marketing
9%
Mexico
85%
mineral fertilizers
10%
minerals
7%
Mucuna
15%
Mucuna pruriens
14%
nitrogen
6%
nutrient management
24%
nutrients
6%
nutrition
16%
organic matter
28%
potassium
7%
production costs
9%
root residues
16%
soil degradation
13%
soil fertility
19%
soil organic matter
29%
soil resources
13%
subsidies
12%
uptake mechanisms
13%
vermicomposts
63%
weeds
8%
Zea mays
8%