Potential oil crops. Cultivation of Barbarea verna, Barbarea vulgaris and Lepidium campestre

catch crops cultivo protegido cultivos intermedios culture sous abri dormance dormancy germination graine hiver hosts invierno lepidium meligethes aeneus oil crops pesticide pesticides pests of plants plagas de plantas plaguicidas plantas oleaginosas protected cultivation ravageur des plantes seeds semilla suecia sweden winter