Tipo di articolo
Condizioni
Legatura
Ulteriori caratteristiche
Paese del venditore
Valutazione venditore
Editore: Shield Pub. Date :2007-10-01 version 1, 2000
ISBN 10: 7508212509ISBN 13: 9787508212500
Da: liu xing, Nanjing JiangSu, JS, Cina
Libro
paperback. Condizione: New. Language:Chinese.Pages Number: 228 Publisher: Golden Shield Pub. Date :2007-10-01 version 1. This book systematically introduces the principle of pollution-free fruit production and technology. Include: the significance of pollution-free and prospects of fruit production. orchards and hazardous substances pollution control measures. standards and pollution-free fruit production technology. the main natural enemies of orchard pests to protect the use. fruit bagging. Osmia pollination and Orcha.