ISBN: 9787109080607 - 无公害稻田养鱼综合技术图说——科技兴农奔小康丛书 (1 risultati)

paperback. Condizione: New. Language:Chinese.Pages Number: 369 Publisher: China Agricultural Press. Pub. Date :2007-04. The book pollution-free rice-fish culture as a precondition. the system introduces a variety of sub-chapters in the rice paddies famous fish farming methods. many described The use of pesticides and pollution-free method of fish medicines. and strive to biological control. pest control in fish. This book includes: pasture and forage crops cultivation and management techniques; forage harvesting and pro.…