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  1. 1
    The economics of mixed farming in Kerala
    Ph.D Thesis
  2. 2
    Crop resides in sustainable mixed crop / live stock farming systems
    出版 1997
    Printed Book
  3. 3
    Production ,utilization and conservation of forage crops in India
    由 Avatar Singh,Bimbraw
    出版 2013
    Printed Book
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