Abstract In order to improve the quality and protection of horticultural crops, the capacity of chabazitic zeolites with earthworm humus at different percentages added to the growing medium was evaluated. The five experimental groups in cultivation were: i) group without chabazite and earthworm humus; ii) group with (chabazite/earthworm humus 70-30) 10%; iii) group with (chabazite/earthworm … Continua a leggere Zeolitite a chabasite addizionata di humus di lombrico per la coltivazione di specie orticole