ISBN: 9787109102071 - 鱼病防治关键技术——农业科技入户丛书[wx]王荣星,孙清秀中国农业出版社9787109102071 (1 Ergebnisse)

paperback. Zustand: New. Paperback. Pub Date: 2005 Pages: 76 in Publisher: since the reform and opening up of China Agriculture Press. people's living standards improve. the food there is fish is already a very common thing. With the fisheries scientific and technological progress. increasing fish production. fish also been food fish turned to high-quality. green. safe transition. Sixteenth Party Fourth Plenary Session. agricultural work has become a priority. and national efforts to increase investment in agricultur.…