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第1期奋力开展土壤研究,立志攀登世界高峰………(1)中国的测土施肥…………………………………(7)吉林省中部草甸土有效磷肥力指标的分级与施磷 研究…………………………………………(14)太湖地区水田土壤碳氮的年平衡值……………(17)苏南地区水稻土组合中铁锰的分异特点……
The first phase of struggling to carry out soil research, determined to climb the world’s peak ...... (1) soil testing and fertilization in China .................................................................................... (7) Meteorological indicators of soil available phosphorus in central Jilin Province Grades and Phosphorus Research ................................................ (14) Annual Equilibrium Value of Paddy Soil Carbon and Nitrogen in Taihu Lake Region ............... (17) Iron and manganese Differentiating features ......