Isbn: 9787546313139 - watermelon - vegetable pest control map(chinese edition) (1 risultati)

paperback. Condizione: New. Paperback. Pub Date: 2010 Pages: 121 in Publisher: Jilin Publishing Group Co. Ltd. Watermelon - Vegetable pest control Atlas: kinds of pests in vegetable production range of symptoms varied. but the majority of the farmers of various diseases. especially difficult disease is difficult 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 increases caused by pestic.…