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Soil-testing Methods Used at Colorado State University Soil Testing Laboratory
C. Kerry GeeJ. T. HerronJames Douglas NelsonParviz Neil SoltanpourRaymond L. AndersonTony J. Baltic
其他書名
For the Evaluation of Fertility, Salinity, Sodicity and Trace Element Toxicity
出版Colorado State University Experiment Station, 1979
URLhttp://books.google.com.hk/books?id=KMVQAQAAMAAJ&hl=&source=gbs_api