[Use of catch crops and green manure crops or weed control [Quebec]]

abonos verdes avena sativa biomasa biomass biomassa biomasse brassica alba catch cropping coltivazione intercalare colture primaverili cultivo intermedio cultivos de primavera culture de printemps diserbo engrais vert escarda fagopyrum green manures hordeum vulgare mostaza moutarde mustard pisum sativum plant population popolazione vegetale quebec raphanus sativus senape sovescio verde spring crops triticum weed control