Horticultural business survey for the north of England 1995/96

angleterre costos costs cultivo de hortalizas cultivo protegido culture sous abri england farm income farm results floricultura floriculture greenhouses horticultura horticulture inglaterra invernaderos laitue lechugas lettuces ornamental plants plantas ornamentales plante ornementale profitability protected cultivation reino unido rentabilidad returns revenu de l'exploitation serre tomate tomatoes united kingdom vegetable growing