Isbn: 9787109136458 - 植保现代化与科学发展 (1 risultati)

paperback. Condizione: New. Language:Chinese.Pages Number: 512 Publisher: China Agricultural Pub. Date :2009-11-01 version 1. Contents: The first part of the professional sequence control system. Hebei Province with the professional plant protection against the ruling system in the form of questions and ideas Chongqing plant protection professional status and development of prevention and control of plant protection ideas of social services in poor mountain areas to explore and think about Linfen City and crop pests and.…