Horticultural business survey for the north of England 1994/95

angleterre costos costs cultivo de hortalizas cultivo protegido culture sous abri england 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 serre tomate tomatoes united kingdom vegetable growing