Optimising a sludge drying and granulation plant. Sludge granules for agricultural use

abonos atelier pilote chemicophysical properties cultivos de invernadero drying engrais fertilizers granule granules greenhouse crops lodos residuales noruega norway nutrition des plantes nutritive value pilot plants plant nutrition plante de serre rendement rendimiento secado sewage sludge valeur nutritive valor nutritivo yields