2014-09-01 250 Chemical Industry Press book laying around practical ecological farming techniques. described in detail the characteristics and laying ecological farming model. planning and design of ecological egg farms. the species selection. nutrition and feed preparation. feeding and management of ecological farming hens technology. ecology egg farm environmental protection and waste utilization technologies. chicken diseases prevention and control technology. ecology egg farm management and other content. focus on practicality. science . advanced. is doing a good job of laying hens ecological farming guide science books. This book is suitable ecological farms (households). student of agricultural science and technology personnel and related professional institutions read reference. Contents Section connotation of a one ecologi...
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paperback. Condition: New. Language:Chinese.Pub Date: 2014-09-01 Pages: 250 Publisher: Chemical Industry Press book laying around practical ecological farming techniques. described in detail the characteristics and laying ecological farming model. planning and design of ecological egg farms. the species selection. nutrition and feed preparation. feeding and management of ecological farming hens technology. ecology egg farm environmental protection and waste utilization technologies. chicken diseases prevention and cont. Seller Inventory # CP023136
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