Agriculture & Biology
cattle manure
71%
beef cattle
61%
animal manures
58%
physical properties
49%
physicochemical properties
48%
denitrification
24%
total nitrogen
20%
total phosphorus
16%
nitrification
16%
water content
14%
enzyme activity
13%
fertilizers
10%
manure storage
10%
ammonium nitrogen
8%
nutrients
8%
stubble
8%
corn stover
7%
sampling
7%
storage temperature
6%
quality control
6%
storage time
5%
urine
5%
feces
5%
temperature
5%
potassium
5%
soybeans
5%
summer
4%
environmental factors
4%
Engineering & Materials Science
Beef
93%
Manures
86%
Chemical properties
68%
Physical properties
54%
Enzyme activity
27%
Denitrification
24%
Nutrients
21%
Nitrogen
20%
Nitrification
18%
Moisture
14%
Fertilizers
14%
Phosphorus
13%
Potassium
6%
Temperature
6%
Quality control
5%
Sampling
3%
Earth & Environmental Sciences
beef cattle
89%
manure
59%
chemical property
54%
physical property
48%
enzyme activity
17%
denitrification
14%
moisture content
14%
nitrogen
13%
nutrient
10%
nitrification
10%
fertilizer
9%
phosphorus
8%
stubble
7%
decision
7%
feces
6%
temperature
6%
soybean
6%
urine
5%
quality control
5%
maize
4%
potassium
4%
ammonium
4%
environmental factor
4%
material
4%
summer
3%
sampling
3%
removal
2%
Medicine & Life Sciences
Manure
100%
Cattle
49%
Denitrification
27%
Nitrogen
22%
Nitrification
20%
Fertilizers
17%
Nutrients
14%
Temperature
12%
Phosphorus
11%
Enzymes
9%
Ammonium Compounds
7%
Zea mays
6%
Soybeans
6%
Red Meat
6%
Feces
5%
Quality Control
5%
Potassium
5%