From Horticultural Waste to High-value Agronomic Inputs: A Critical Narrative Review of Biostimulants, Growing Media, Biochar and Nutrient Recovery
Horticultural production, post-harvest handling and fruit and vegetable processing generate heterogeneous residual streams that are increasingly framed as feedstocks for a circular bioeconomy. Their conversion into agronomic inputs is attractive because it can couple waste prevention with reduced dependence on peat, mi...