Effects of legume live-mulch on crop performance, soil available nitrogen and crop N status in intensive tropical vegetable production

abonos verdes alysicarpus vaginalis azote brassica chinensis brassica pekinensis carotte carrots centrosema pubescens chinese cabbages chou chinois col china daucus carota desmodium intortum engrais vert fertilidad del suelo glycine max green manures hortalizas indigofera tinctoria legume lycopersicon esculentum nitrogen nutrition des plantes plant nutrition soil fertility soja soybeans tomate tomatoes vegetables zanahoria