Life cycle assessment (LCA) of different fertilizer product types
Hasler, K., Bröring, S., Omta, S.W.F., Olfs, H.-W.
Published in European journal of agronomy (01.09.2015)
Published in European journal of agronomy (01.09.2015)
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Journal Article
Soil- and plant-based nitrogen-fertilizer recommendations in arable farming
Olfs, H.W, Blankenau, K, Brentrup, F, Jasper, J, Link, A, Lammel, J
Published in Journal of plant nutrition and soil science (01.08.2005)
Published in Journal of plant nutrition and soil science (01.08.2005)
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Journal Article
Fertilizer-use efficiency of different inorganic polyphosphate sources: effects on soil P availability and plant P acquisition during early growth of corn
Torres-Dorante, L.O, Claassen, N, Steingrobe, B, Olfs, H.W
Published in Journal of plant nutrition and soil science (01.08.2006)
Published in Journal of plant nutrition and soil science (01.08.2006)
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Journal Article
Fertilizers, agronomy and N(2)O
Boeckman, O.C. (Norsk Hydro Research Centre, Porsgrunn (Norway).), Olfs, H.W
Published in Nutrient cycling in agroecosystems (01.10.1998)
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Published in Nutrient cycling in agroecosystems (01.10.1998)
Journal Article
Influence of long-term application of sewage sludge and compost from garbage with sewage sludge on soil fertility criteria
Werner, W. (Bonn Univ. (Germany, F.R.). Agrikulturchemisches Inst.), Scherer, H.W, Olfs, H.W
Published in Journal of agronomy and crop science (1986) (01.03.1988)
Published in Journal of agronomy and crop science (1986) (01.03.1988)
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Journal Article
Characterization of soil nitrogen and nitrogen uptake by grass following a two-year fallow of potted soils receiving mineral and organic sources of nitrogen
Olfs, H.W, Werner, W. (Institute of Agricultural Chemistry, Friedrich-Wilhelm University Bonn, 53115 Bonn (Germany))
Published in Soil Biology and Biochemistry (United Kingdom) (1994)
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Published in Soil Biology and Biochemistry (United Kingdom) (1994)
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