Cultural control of the root-lesion nematode, Pratylenchus penetrans, in forage corn-Japanese radish system, 1: Effect of cultivation of several kinds of crops on suppressing the nematode density

agentes nocivos animal animal nuisible animales animales nocivos animals aschelminthes cereales cereals control cultural cropping patterns crops cruciferae cultivos cultivos de grano cultural control dicotiledoneas dicotyledons economic plants facteur nuisible feed crops feed grasses glumiflorae grain crops gramineae gramineas graminee grasses helminthe helminths helmintos hortalizas (plantas) industrial crops injurious factors invertebrados invertebrates lutte culturale lutte physique mode de culture monocotyledons nematode nematodes nematodos nematodos de las plantas noxious animals oil crops organisme nuisible pest control methods pests physical control plagas plant nematodes plantas plantas azucareras plantas feculentas plantas forrajeras plantas industriales plantas oleaginosas plante plante de culture plante industrielle plante racine plants pratylenchus raphanus raphanus sativus rhoeadales root crops root vegetables starch crops sugar crops vegetable crops zea mays