Effect of integrated management of couch grass (Elytrigia repens) on soil quality and crop nutrition

abonos verdes barbecho barley brassica napus cebada ciencia del suelo crop yield elymus repens engrais vert escarda fallow flora del suelo flore du sol green manures hordeum vulgare integrated control labranza lucha integrada malezas mauvaise herbe nutrientes nutrients orge plant competition plantas accidentales rendement des cultures rendimiento de cultivos rhizome rhizomes rizomas rotation culturale rotational cropping sciences du sol soil flora soil properties soil sciences substance nutritive tillage travail du sol trifolium pratense volunteer plants weed control weeds