A study of research requirements in citriculture - Consultant series 4

acarien nuisible agrume citron citrus citrus fruits coccoidea cosecha cultural methods date de plantation escarda espacement espaciamiento fertilisation fertilizer application grading handling harvesting huerto frutal insecte nuisible lemons mandarina mandarine mandarins manutention mode de culture naranja dulce orange douce orchards pest insects pest mites plant production planting date poda pruning research spacing sweet oranges taille tephritidae variedades varieties verger virose viroses virosis weed control windbreak trees