Production of Chinese cabbage in Norway: problems and possibilities.

almacenamiento bacteriose bacterioses bacteriosis bolting brassica chinensis calcio calcium calor chaleur cold cultivo de hortalizas deficiencia de minerales environmental temperature frio froid harvesting date heat hortalizas legume mineral deficiencies noruega norway plant production stockage storage storehouses subida symptome symptoms temperatura ambiental vegetable growing vegetables vernalisation vernalization