Plant nutrients from organic industrial by-products
Graziano,P.L.; Calzavara,R.; Perelli,M.; Roccuzzo,G.
Proceedings: 1, 1-28
Organic industrial by-products can supply significant amounts of plant nutrient to farmers. Nitrogen in organic form, not subject to leaching, and phosphorus are the elements present in highest concentrations. By-products need to be safe for man, animals and the environment and be easy to handle, to transport and to be treated. Last but not least, the fertilisers based on by-product raw materials have to be competitive against traditional mineral formulations.