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Abrahamczik, E.
2
Amann, Christine
2
Arnon, Daniel Isaac
2
Atanasiu, Nicolae
2
Baden, W.
2
Baltin, F.
2
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Baver, L. D.
2
Blamauer, A.
2
Deigele, C.
2
Frede, Hans-Georg
2
Führ, Fritz
2
Kalan, J.
2
Linser, Hans
2
Ott, Jürgen
2
Scharrer, Karl
2
Schönwitz, R.
2
Tisler, V.
2
Ziegler, H.
2
Alpmann, Ludger
1
Baget Pomes, Dolors
1
Becker, Hans
1
Brücher, Heinz
1
Christen, Olaf
1
Diepenbrock, Wulf
1
Dressel, Joachim
1
Fabrizio Queirolo P.
1
Feldmann, Sigrun D.
1
Hantschle, Ralph
1
Harder, H.
1
Kick, H.
1
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agriculture
13
plant breeding
5
forestry
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nitrate
4
nutrition
4
agricultural use
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fertilizer
3
forest decline
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plant physiology
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renewable energy source
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crop
2
cultivated plant
2
denitrification
2
ecology
2
economics
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erosion
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nitrification
2
soil water
2
statistics
2
sustainable use
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terpene
2
tree
2
water pollution
2
water protection
2
GMO ( genetically modified organism )
1
bean
1
biotope
1
cattle
1
cellulose
1
corn
1
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LWE - Agriculture - general aspects
ENA - Energy from biomass and waste
3
LWV - Agriculture - plant protection
3
UPN - Water protection, water quality, clean water
3
LEN - Plant physiology
2
LVE - Food science - general
2
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LWA - Agriculture - reference books
2
LWH - Agriculture - soil sciences
2
YUD - Comprehensive statistical data - Germany
2
GUA - Geography - general
1
LCL - Biotopes, ecosystems
1
LCN - Ecology - soil sciences
1
LCNC - Soil science - water transport
1
LEE - Botany - general aspects
1
LENI - Plant physiology - transport processes
1
LTV - Green genetic engineering
1
LWO - Agricultural ecology, sustainable agriculture
1
LWW - Agriculture - transfer factors, radioagronomy
1
UEF - Sustainability
1
UKE - Environment and energy resources
1
UPVC - Groundwater
1
URA - Soil chemistry
1
UUG - Environmental aspects of genetically modified organisms, viruses, genes
1
UVF - Environmental aspects of heavy metals and their compounds
1
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