Isbn: 9787549009589 - 大地的呐：甘肃耕地质量建设纪实 (1 risultati)

paperback. Condizione: New. Paperback. Pub Date: 2015-12-01 Pages: 272 Language: Chinese Publisher: Gansu Culture Press earth na: Gansu farmland quality construction documentary. a book focus on farmland protection and quality improvement. non-point source pollution control. waste film recycling. saline control. scientific fertilization. etc. aimed at using vivid examples to show the brilliant achievements of Gansu Province farmland quality construction and protection made successful experience. the typical practice. t. …