Earth & Environmental Sciences
organic fertiliser
71%
soil amendment
68%
oxygen consumption
64%
manure
55%
greenhouse gas emissions
50%
phosphorus
41%
soil layer
27%
fertilizer
24%
soil
24%
pig
19%
nutrient
18%
incubation
16%
waste recycling
11%
nutrient availability
10%
oxygen content
10%
gas production
9%
fixation
9%
turnover
8%
greenhouse gas
8%
gel
8%
incorporation
7%
sound
7%
sensor
6%
organic matter
6%
oxygen
6%
distribution
3%
rate
3%
Engineering & Materials Science
Fertilizers
73%
Phosphorus
69%
Gas emissions
58%
Greenhouse gases
58%
Manures
54%
Oxygen
46%
Soils
45%
Nutrients
32%
Availability
27%
Biological materials
8%
Gels
6%
Recycling
6%
Thin films
6%
Acoustic waves
5%
Sensors
3%
Chemical Compounds
Organic Fertilizer
100%
Soil Amendment
98%
Soil
48%
Phosphorus(.)
47%
Dioxygen
27%
Nutrient
27%
Fertilizer
23%
Greenhouse Gas
8%
Organic Matter
6%
Spreading
6%
Recycling
5%
Sphere
5%
Application
4%
Gel
3%
Time
2%
Surface
2%