Da: liu xing, Nanjing, JS, Cina
EUR 90,34
Convertire valutaQuantità: 3 disponibili
Aggiungi al carrellopaperback. Condizione: New. Language:Chinese.Paperback. Pub Date: 2018-03-01 Publisher: Chemical Industry Press Ecological and Efficient Duck Raising Practical Techniques This book focuses on the practical techniques of ecological duck raising. and introduces in detail the characteristics and modes of ecological duck raising. the planning and design of ecological duck farms. The selection of breeds. nutrition and feed preparation. ecological duck breeding management technology. environmental protection and manure treatm.