Dansk
Chemistry of Fertilisers and Manure - Including Information on the Chemical Constituents and Types of Fertilisers and Manures
Knowles, Frank54,41 DKK
Hay Making - With Information Cultivation, Sowing, Mulching and Other Aspects of Hay Making
Authors, Various83,35 DKK
Handbook on Environmental Aspects of Fertilizer Use
Institute, International Potash (IPI)436,85 DKK
Environmental Factors and Cultural Measures Affecting The Nitrate Content in Spinach
Breimer, T.436,85 DKK
Fertility Program for Growing Vegetables - With Information on Soil, Manures and Use of Chemicals
Watts, Ralph L.54,41 DKK