Isbn: 9787109156760 - 小麦锈病发生与防治彩色图说[wx]陈万权中国农业出版社9787109156760 (1 risultati)

paperback. Condizione: New. Language:Chinese.Pages Number: 54 Publisher: China Agricultural Pub. Date :2011-06-01 version 1. Contents: Preface I. occurrence and damage two. disease diagnosis (a) the investigation period (b) identify the characteristics of three. four infection cycle. occurrence of conditions (a) a sense of wheat rust disease and toxicity (B) the number of bacteria source (C) weather conditions (d) cultivation in five. control of key technologies (a) species and disease prevention techniques (b) summerin.…