Landbrug og biologi
agricultural colleges
47%
case studies
31%
corn
48%
drainage
98%
farmers
34%
foliar application
39%
grain yield
58%
greenhouse gas emissions
30%
greenhouse gases
28%
management systems
21%
methane
71%
nitrogen fertilizers
16%
nitrous oxide
47%
nitrous oxide production
49%
nutrition
34%
paddy soils
47%
Pakistan
40%
production technology
65%
rice
60%
soil
20%
soil treatment
38%
stakeholders
40%
Vietnam
76%
water management
60%
Zea mays
60%
zinc
58%
Geo- og miljøvidenskab
arable land
23%
biomass
24%
carbon
38%
carbon sequestration
45%
coppice
100%
crop
39%
drainage
81%
economics
23%
fertilizer
21%
incorporation
30%
maize
40%
methane
58%
monoculture
44%
nitrous oxide
41%
plantation
44%
planting
22%
production system
43%
rice
48%
sampling
20%
soil
43%
soil carbon
39%
soil drainage
50%
soil property
32%
straw
26%
water management
35%
wild fauna
20%
wood product
15%
zinc
29%
Teknik og materialevidenskab
Aquifers
47%
Biomass
16%
Carbon
55%
Drainage
39%
Groundwater
43%
Methane
34%
Nitrates
46%
Rivers
36%
Sampling
22%
Soils
57%
Straw
16%
