Yazar
Linzhang Yang
3 cilt bulundu.
Cilt sonuçları
Zhongguo nong tian sheng tai xi tong yang fen xun huan yu ping heng ji qi guan li
Linzhang Yang · Ke xue chu ban she
310 sayfa · 2008
Soil management / Soils and nutrition / Soil ecology
Sanxia ku shou di qu tu di zi yuan qian li yu sheng tai huan jing jian she =
Linzhang Yang · Zhongguo shui li shui dian chu ban she
214 sayfa · 2007
Rural Land use / Agricultural conservation / Reservoirs / Hydraulic engineering / Environmental conditions