Forest pest control technology (8 risultati)

paperback. Condizione: New. Paperback Pages. Number: 142 in the series from the three levels of multi-dimensional. multi-angle. all-round construction of the new rural scientific and technological support. First. the majority of farmers for the audience. start with the other aspects of modern agriculture. rural communities. towns. aimed to meet the new rural construction. the development of production. rural development. ecological environment. the health care needs. Second. county. village cadres and the audience focus.…

paperback. Condizione: New. Language:Chinese.Pages Number: 300 Publisher: Guangxi Science and Technology Press Pub. Date :2006-03. To improve the region s forest pest the level of control techniques to reduce losses caused by pest damage. more complete services. construction and forestry ecological system relatively developed forestry industrial system. and the Guangxi Zhuang Autonomous Region Forestry Bureau. jointly organized by Institute of Guangxi University. Guangxi Academy of Forestry. Guangxi Forest Pest control .…

paperback. Condizione: New. Language:Chinese.Publisher: China Forestry.

paperback. Condizione: New. Language:Chinese.Paperback. Pub Date: 2016-01-01 Pages: 125 Publisher: yunnan science and technology press. the book introduces the occurred in yunnan area is big. serious harm and potential threat of forest diseases and insect pests. it consists of 60 kinds of forest diseases and insect pests. 19 species of diseases and insect pests. 41. related to main timber forest tree species. economic forest tree species. and yunnan province is vigorously promoting the te.…

paperback. Condizione: New. Ship out in 2 business day, And Fast shipping, Free Tracking number will be provided after the shipment.Paperback. Pub Date :2013-07-01 Pages: 208 Language: Chinese Publisher: China Forestry Publishing House forestry forestry pest control business is high -tech work in the field . Forest pest species . widely distributed . great harm . to understand and grasp the genesis and development of the law . so as to realize its effective control . promote forest health and harmony between man and nature . the need to respect human nature. protect and transform the nature of At the same time . continuin.Four Satisfaction guaranteed,or money back.…

paperback. Condizione: New. Pub Date: 2014-07-01 Pages: 330 Language: Chinese Publisher: China Forestry Press forestry forestry pest control pest control technology job vocational skills training series. a total of nine chapters. the main contents are: general part consists of five chapters : forestry harmful biological control technology status overview. silvicultural techniques forest pest prevention. prevention of forest pest physics technology. biotechnology. forest pest prevention. prevention of forest pest Chemica. …

paperback. Condizione: New. Paperback. Pub Date: 2014-12-01 Pages: 440 Language: Chinese Publisher: China Forestry Publishing House Forest Pest Control Technology (2nd Edition) is the second five national planning vocational education materials. The book is divided into two parts. Part of the necessary knowledge of forest pests and basic skills. including understanding forest insect. disease awareness of forest. forest pest control and Principle Analysis Methods. forestry groups and common pest control. forest and preve.…

paperback. Condizione: New. Paperback. Pub Date: 2019-01-01 Pages: 280 Language: Chinese Publisher: Yellow River Conservancy Press Xinyang green forest pest prevention and control technology. according to Xinyang City in recent years. forest pest occurrence. selected the local occurrence of large . more serious harm or distribution of a wide range of potentially harmful 100 kinds of forest pests (. …