Isbn: 9787109235038 - 小麦-玉米一年两熟亩产吨半粮实践与经验 (1 risultati)

paperback. Condizione: New. Paperback. Pub Date: 2017-10-01 Pages: 261 Language: Chinese Publisher: China agriculture press As the new development of society. the idea of the new change. new progress of science. the new popularity of technology. new equipment to promote. in huang-huai-hai region in our country in recent years in wheat - corn as the main crop rotation mode of research and production practice. have sprung up big.…