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温室试验研究旱地红壤养分的丰缺状况ＵｓｉｎｇＧｒｅｅｎｈｏｕｓｅＳｕｒｖｅｙＤｅｔｅｒｍｉｎｉｎｇｔｈｅＲｉｃｈｎｅｓｓａｎｄＤｅｆｉｃｉｅｎｃｙｏｆＮｕｔｒｉｅｎｔｓｏｆＵｐｌａｎｄＲｅｄＳｏｉｌ郑毅ＤｏｎａｌｄＬ．Ｌｙｔｔｏｎ（云南农业大学农学系...
Greenhouse experiment study on the status of nutrient deficit in dryland red soils. UsingGreenhouseSurveyDeterminingtheRichnessandDeficiencyofNutrientsofUplandRedSoil Zheng Yi DonaldL. Lytton (Department of Agronomy, Yunnan Agricultural University ...