Yazar
Junliang Tian
3 cilt bulundu.
Cilt sonuçları
Soil erosion and dryland farming
Junliang Tian · Taylor & Francis Group
744 sayfa · 2000
Congresses / Soil erosion / Arid regions agriculture / Agriculture, china
Huangtu Gaoyuan qiu ling qu zhong chi du sheng tai nong ye jian she tan suo
Junliang Tian, Yimin Liang, Puling Liu · Huang He shui li chu ban she
275 sayfa · 2003
Agricultural productivity / Environmental conditions