Landbrug og biologi
Zambia
93%
soil carbon
89%
carbon sinks
88%
soil quality
68%
hands
62%
farming systems
60%
farms
49%
basins
43%
small farms
18%
farm surveys
7%
conservation practices
7%
minimum tillage
7%
soil organic carbon
5%
conventional tillage
5%
crop residues
5%
soil
5%
soil organic matter
4%
soil fertility
4%
fertilizers
4%
phosphorus
3%
carbon
3%
Medicin og biovidenskab
Zambia
100%
Agriculture
85%
Farms
84%
Soil
80%
Carbon
73%
Hand
56%
Fertilizers
8%
Practice Management
6%
Phosphorus
5%
Fertility
4%
Geo- og miljøvidenskab
carbon stock
79%
soil quality
78%
soil carbon
75%
farm
62%
basin
23%
smallholder
19%
effect
17%
tillage
11%
soil
6%
province
6%
crop rotation
6%
crop residue
6%
soil fertility
5%
parameter
5%
soil organic matter
5%
management practice
4%
fertilizer
4%
organic carbon
4%
phosphorus
3%
carbon
2%