An overview of California crucifer production. Present and future concerns [spinach mustard, celery mustard]

america brassica brassica chinensis brassica juncea brassica rapa broccoli brocoli brussels sprouts cabbages california californie cauliflowers chou de bruxelles chou pomme chou rave chou vert col col de bruselas coliflor crops cruciferae cruciferas forrajeras cultivation cultivo cultivos dicotiledoneas dicotyledons economic plants feed crops feed crucifers feed roots green vegetables hortalizas (plantas) hortalizas de tallo hortalizas verdes industrial crops kales kohlrabi methode methods nabo navet north america oil crops plant production plantas plantas forrajeras plantas industriales plantas oleaginosas plante plante de culture plante industrielle plante racine plants pratique culturale production raphanus raphanus sativus repollo rhoeadales root crops root vegetables rutabaga rutabagas stem vegetables turnips usa vegetable crops