Sagan soon promoted to the left, turn Zhouci Shi Yan, the Academy moved straight soil science.

不久升为左司谏, 转延州刺史, 迁翰林直学土.

期刊摘选

Project Leader : Dr. Eeltje de Jong, Department of Soil Science , University of Saskatchewan , Saskatoon, SK.

萨斯喀彻温省, 萨斯卡通萨斯喀彻温大学, 土壤系.

期刊摘选

Soil and environmental problems are grave problems are concerned by the international soil science circles nowadays.

土壤与环境问题是现今国际土壤学界共同关心的重大问题.

期刊摘选