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1Using the natural abundance soil of 13C and 15N to examine soil organic matter accumulated during 100 years of cropping Using the natural abundance soil of 13C and 15N to examine soil organic matter accumulated during 100 years of croppingby Wagner, G.H. (Missouri Univ., Columbia, (USA). Lab. of Soil Microbiology and Biochemistry), IAEA, Vienna (Austria) eng, International Symposium on the Use of Stable Isotopes in Plant Nutrition, Soil Fertility and Environmental Studies eng 1-5 Oct 1990 Vienna (Austria), FAO, Rome (Italy) eng
Published 1991Texto bibliotecaFAO IT