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  1. 1
    Sustaining rice productivity throughn integrated nutrient management
    由 Padmaja P
    出版 1993
    Printed Book
  2. 2
    Grow your own
    由 Bristow, Alec
    出版 1977
    Printed Book
  3. 3
    Phosphoric acid, phosphates and phosphatic fertilizers
    由 Woggaman, W H
    出版 1955
    Printed Book
  4. 4
    Soil science, plant chemistry, manures and fertilizers
    由 Rai, M.M
    出版 1965
    Printed Book
  5. 5
    Manures and fertilisers
    由 Bokde S
    出版 1977
    Printed Book
  6. 6
    Manures and fertilisers
    由 Bokde S
    出版 1977
    Printed Book
  7. 7
    Soil and its fertility
    由 Teuscher H, Adler R
    出版 1960
    Printed Book
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