cao cheng wen guo liang (3 Ergebnisse)

paperback. Zustand: New. Pub Date: 2014-07-01 Pages: 187 Language: Chinese Publisher: Chemical Industry Press book for some practical problems in recent years. our country vannamei farming production practices. detailed descriptions of the structural features of P. vannamei biology. ecology habits. focus on high fine breeding pond major domestic uses. beach earthen ponds. low salinity breeding. wintering shed farming and other shrimp farming modes; both summarizes the breeding patterns for a variety of processes and .

paperback. Zustand: New. Paperback. Pub Date: 2017-01-01 Pages: 182 Language: Chinese Publisher: China agriculture press a line of experts answer series: South America white shrimp efficient health cultivation best asked the answer (second edition) in view of the current breeding situation. summarized the breeding process. key technology problems of answer in the form of q&a. farming life.

paperback. Zustand: New. Pub Date: 2014-09-01 Pages: 1666 Language: Chinese Publisher: Chemical Industry Press Aquaculture rich Collection (set of 8) This book systematic. easy to understand language. the content of scientific and practical. efficient farming techniques and operable. and disease prevention and control technology combined with farming Wallpapers insert objects. illustrations. conducive to the accumulation of the reader's knowledge and practical application. in line with the aquaculture industry readin.