Isbn: 9787811171860 - 蔬菜病虫害防治技术问答[wx]刘正坪中国农业大学出版社9787811171860 (1 risultati)

paperback. Condizione: New. Language:Chinese.Pages Number: 20285 Publisher: China Agricultural University Press Pub. Date :2007-06. with organic vegetable cultivation area continues to expand. highlighting the growing problem of pests and diseases. pest control and scientific manner rational use of pesticides. pollution-free vegetable production is currently an important part of this book in the form of questions and answers presented the concept of organic vegetable production and production requirements. pollution-fre.…