Studies on the botanical characteristics of asparagus plant, 3: Observation on the root system of 12-year-old plants by "soil-blocking method"

agronomic characters anatomia anatomie anatomy asparagus crops cultivos economic plants hortalizas (plantas) hortalizas de tallo liliaceae liliiflorae monocotyledons ornamental foliage plants ornamental plants plant anatomy plantas plantas de hojas ornamentales plantas ornamentales plante plante de culture plante ornementale plants racine roots stem vegetables storage organs vegetable crops