Nutrient-based Organic Formulations for Sustainable Crop Nutrition and Soil Health: A Critical Appraisal of Mechanisms, Agronomic Evidence and Unresolved Constraints
Nutrient-based organic formulations occupy an expanding but conceptually unsettled position between bulk organic amendments and manufactured mineral fertilisers. The category now includes enriched and fortified composts, vermicomposts, organomineral granules, biochar-based composites, anaerobic digestates, microbial in...