Pond fish practical technology (5 résultats)

paperback. Etat : New. Ship out in 2 business day, And Fast shipping, Free Tracking number will be provided after the shipment.Paperback. Pub Date :2009-05-01 Pages: 160 Language: Chinese Publisher: Golden Shield Press Information Title : JJ fish pond practical technical books + Price: 9 yuan Author : Liu Wanying Press: Golden Shield Press Publication Date : May 1. 2009 ISBN: 9787508211572 words: Page: 160 Revision: first Edition Binding : Paperback Format: 32 weight : 181 g Editor's Choice fish pond technology has reached a total print run of 110.000 or more. Summary pond fish technology system introduced fish pond .Four Satisfaction guaranteed,or money back.…

paperback. Etat : New. Paperback. Pub Date: December 2012 Pages: 164 Language: Chinese in Publisher: China Agricultural Science and Technology Press pond fish culture technology history long associated with the application of modern science and technology. is toward the varieties of high-quality mode standardization. intelligent information technology product health and the direction of development of industrial scale. pollution-free farming. ecological farming is the mainstream of today's pond fish culture develop.…

paperback. Etat : New. Paperback. Pub Date: 2016-04-01 Pages: 83 Language: Chinese Publisher: guangdong science and technology press Fish food symbiotic ecological farming. is through the plant vegetables. Chinese herbal medicine in fishpond water plants. such as water absorption of the surplus of nutrients in the water. the formation of mutualism between plants and aquatic animals and the virtuous cycle of ecological environment. not only make full use of water resources.…

paperback. Etat : New. Language:Chinese.Paperback. Pub Date: 2018-12-01 Pages: 137 Publisher: China Science and Technology Press The main contents of this book include: biology. nutrition and feed of farmed fish. design and construction of fish ponds. and seedlings of conventional and famous varieties. Breeding. commercial fish farming and fish disease prevention and control technologies have highlighted the new technologies and new achievements in pond fish farming. The content system is comprehensive and easy to .…

paperback. Etat : New. Paperback. Pub Date: 2017-11-01 Pages: 192 Language: Chinese Publisher: Sichuan Science and Technology Press pond fish practical technology popularization of agricultural science series from the reality of pond fish practical support technology needs. the system introduced ponds planning and design. improved environmental conditions. equipment used to install and use. farmed fish .…