Isbn: 9787503851865 (1 risultati)

paperback. Condizione: New. Paperback. Pub Date: 2008 Pages: 117 Language: Chinese in Publisher: China Forestry Publishing the high efficiency of the pond fish key technical Q & A on how to understand and grasp freshwater fish market for some difficulty in the production. and how according to local conditions and market conditions to select the type of farming. breeding should be well prepared. how training colonization good species. and how to control the breeding process. how to solve the problem of fish bait and how .…