Agriculture & Biology
nitrous oxide
100%
meta-analysis
99%
greenhouse gas emissions
98%
farming systems
72%
China
56%
wheat
46%
corn
45%
mineral fertilizers
30%
no-tillage
29%
application rate
29%
straw
26%
crop yield
26%
emissions factor
19%
soil texture
17%
greenhouse gases
17%
conventional tillage
16%
soil temperature
15%
soil pH
14%
methane
14%
nitrogen fertilizers
13%
soil water
12%
minerals
10%
winter
9%
summer
9%
temperature
5%
Earth & Environmental Sciences
meta-analysis
97%
greenhouse gas emissions
77%
plain
66%
wheat
66%
maize
65%
mineral fertiliser
37%
zero tillage
37%
crop yield
31%
straw
29%
soil temperature
29%
emission factor
15%
tillage
15%
rate
14%
manure
14%
greenhouse gas
12%
fertilizer
12%
incorporation
12%
soil moisture
11%
mitigation
11%
texture
11%
winter
8%
summer
8%
mineral
8%
removal
7%
analysis
3%
effect
3%