9787546322537 - pear - fruit tree pest control map(chinese edition) di zhang mao jun zhu (1 risultati)
- Brossura
Da: liu xing, Nanjing, JS, Cinaliu xing
Contatta il venditoreVenditore con 5 stelleCondizione: Nuovo
EUR 45,97
EUR 15,55 spedizioneSpedito da Cina a U.S.A.Quantità: 1 disponibili
paperback. Condizione: New. Paperback. Pub Date: 2010 Pages: 103 in Publisher: Jilin Publishing Group LLC pear trees - fruit trees. pest and disease control map introduced the pear pest control map. Kinds of pests in fruit production range of symptoms varied. but most growers of various diseases especially difficult disease is d…ifficult to accurately diagnose and often rely on their own experience to judge. leading to the first application of a variety of pharmaceutical prevention and arbitrarily increase the dosage. in.
