Maximizing the efficiency of mineral fertilizers. Optimization of fertilizer recomendations via electronic data processing (EDP) in the danish agricultural advisory service. Varietal differences for reaction to high soil acidity and to trace elements. A survey of research in the Netherlands. Integrated plant nutrition systems. Integrated plant nutrition systems in hungary.
Type: BOOK - Published: 1983-07-31 - Publisher: Springer
A growing interest has been shown recently in the dymanics of nitrogen in agricultural and natural ecosystems. This has been caused by increasing demands for food and fibre by a rapidly expanding world population, and by a growing concern that increased land clearing, cultivation and use of both fertilizer and
Authors: Marit Lægreid, Oluf Chr Bøckman, Ola Kaarstad
Type: BOOK - Published: 1999 - Publisher: Cab International
Global food production and challenges. The basis for food production - plant nutrients. Food and plant nutrients. Plant nutrient demand. Balanced crop nutrition. Nutrient sources. Nutrients from soil reserves. Nutrients from organic manures. Biological nitrogen fixation. Aerial deposition. Mineral fertilizers. 'Biofertilizers' and growth enhancers. The global challenge - to feed