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  1. 1

    Biogas systems in India / by Lichtman, robert Jon

    Published 1983
    Book
  2. 2

    Combined use of organic and chemical fertilizers.

    Published 1993
    Book
  3. 3

    Effects of manures and fertilizers on soil fauna : a review / by Marshall, V. G.

    Published 1977
    Book
  4. 4

    Fertilizers and manures / by Simpson, Ken

    Published 1986
    Book
  5. 5

    Manurial requirements of vegetables / by Singh, Kirti

    Published 1976
    Book
  6. 6

    The nutritional value of poultry manure as a feed for mammals / by Trung, L. T.

    Published 1988
    Book
  7. 7

    Organic manures / by Gaur, A. C.

    Published 1984
    Book
  8. 8

    Recent advances in the application of livestock manure to farmland in Japan / by Koshino, M.

    Published 1988
    Book
  9. 9

    The use of chemical and organic fertilizers in crop production in Thailand / by Jiraporncharoen, Suchart

    Published 1993
    Book
  10. 10

    Use of chemical fertilizers for taro in the lowlands : an on-farm investigation /

    Published 1990
    Book
  11. 11

    The uses of pig manure in Taiwan / by Guzman, M. R. de

    Published 1978
    Book