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  1. 1
    effect of climate and cultivationo on nitrogen and organic matter reserves in Indian soils, 1960. /
  2. 2
    Factors of soil formation: a system of quantitative pedology
    per Jenny, Hans
    Publicat 1941
    Printed Book
  3. 3
    Factors of soil formation: a system of quantitative pedology
    per Jenny, Hans
    Publicat 1941
    Printed Book
  4. 4
    EFFECT OF CLIMATE AND CULTIVATION ON NITROGEN AND ORGANIC MATTER RESERVES IN INDIAN SOIL
    per JENNY,HANS., RAYCHAUDHURI,S.P
    Publicat 1960
    Printed Book
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