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Sparks, Donald L.
84
Norman, A. G.
16
Mansfeld, R.
8
Brady, N. C.
6
Boehme, H.
5
Bois, D.
4
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Brady, Nyle C.
4
Danert, S.
4
Abrahamczik, E.
2
Amann, Christine
2
Amthor, Jeffrey S.
2
Arnon, Daniel Isaac
2
Atanasiu, Nicolae
2
Baden, W.
2
Baltin, F.
2
Baver, L. D.
2
Blamauer, A.
2
Brückner, Gerhard.
2
Damrath, Joachim.
2
De Kathen, Andre
2
Frede, Hans-Georg
2
Linser, Hans
2
Lundehn, J. R.
2
Ochse, J. J.
2
Oster, W.
2
Ott, Jürgen
2
Pirie, N. W.
2
Preuhsler, T.
2
Rohrlich, Matei.
2
Schaller, K.
2
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agriculture
106
agronomy
65
crop
57
plant breeding
34
soil
28
forestry
25
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cultivated plant
18
green genetic engineering
18
ecosystem
17
food production
15
transgenic plant
15
fertilization
14
forest
14
ecology
13
fertilizer
13
plant
13
plant protection
13
soil chemistry
13
climatic change
12
plant ecology
12
plant growth
12
agricultural use
11
tree
11
forest decline
10
nitrogen
10
soil pollution
10
plant soil relationship
9
greenhouse gas
8
nutrient
8
nutrition
8
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LWE - Agriculture - general aspects
517
LWH - Agriculture - soil sciences
37
LTV - Green genetic engineering
18
LCM - Terrestrial ecology
17
LWV - Agriculture - plant protection
12
LEN - Plant physiology
11
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ENA - Energy from biomass and waste
10
LEE - Botany - general aspects
9
UHP - Protection of nature and landscape
9
LCK - Ecology - general aspects
7
LCMC - Plants - ecology
7
LWO - Agricultural ecology, sustainable agriculture
7
UMV - Climatic change
7
LAN - Biology - mathematical methods, statistics
6
LENI - Plant physiology - transport processes
6
LWVC - Plant protection
6
UHN - Landscape ecology
6
LTU - Genetic engineering
5
URA - Soil chemistry
5
CXUX - Natural products
4
LCL - Biotopes, ecosystems
4
LCN - Ecology - soil sciences
4
LEM - Botany - anatomy, morphology
4
UEF - Sustainability
4
GBA - General geology, historical geology
3
LCV - Ecology - models
3
LVE - Food science - general
3
UUG - Environmental aspects of genetically modified organisms, viruses, genes
3
YPB - Economy - general aspects
3
ECA - Energy resources
2
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