[Organic farmed low energy cucumbers and tomatoes: status report for 1995 [plus energy house project]]

building construction concombre consumo de energia control ambiental cucumbers cultivos de invernadero culture hors saison energy consumption environmental control especies greenhouse crops greenhouses hortalizas (plantas) invernaderos jardinage biologique organic gardening pepino plante de serre rendement rendimiento serre species tomate tomatoes vegetable crops yields