Earth & Environmental Sciences
sewage sludge
74%
sludge
58%
phosphorus
56%
liquid
33%
soil
33%
sludge treatment
25%
mesocosm
25%
sward
16%
digested sludge
14%
biosolid
13%
regrowth
13%
sandy loam
12%
EDTA
12%
enzyme activity
11%
nuclear magnetic resonance
10%
harvest
10%
spectroscopy
9%
incorporation
9%
mineralization
8%
acid
7%
Medicine & Life Sciences
Sewage
100%
Soil
84%
Phosphorus
82%
Lolium
29%
phosphodiesterase-phosphomonoesterase
12%
Biosolids
11%
Organophosphonates
8%
Edetic Acid
6%
Growth
6%
Magnetic Resonance Spectroscopy
5%
Agriculture & Biology
phosphorus
57%
soil
39%
liquids
29%
Lolium perenne
18%
phosphonates
12%
biosolids
11%
sandy loam soils
10%
sward
9%
regrowth
9%
Lolium
9%
mineralization
8%
acid phosphatase
8%
nuclear magnetic resonance spectroscopy
8%
sampling
6%
enzyme activity
5%