Yazar
Junfeng Guan
1 cilt bulundu.
Cilt sonuçları
Zuo wu kang han sheng li yu jie shui ji shu yan jiu
Guangmin Li, Junfeng Guan · Xin hua shu dian zong dian Beijing fa xing suo fa xing
226 sayfa · 2001
Crops and water / Crops / Drought tolerance / Water conservation