នេះ Book មិន​មាន​ក្នុង​ភាសា​របស់​អ្នក, មើល​ក្នុង: English (en),
ឬ​ប្រើ​កម្មវិធី​បកប្រែ Google:  

in this special publication, most aspects of organic farming are discussed.  Meeting crop N and other nutrient needs from organic sources is a major topic of dicussion; reducing soil erosion and nutrient loss via rotations and minimal tillage are treated thoroughly; minimizing the use of chemical pesticides and decreasing energy inputs are subjects examined; and the economic impact and socio-political implications of organic farming are presented.

Publication Details

  • Published: 1990
  • Publisher: The Societies
  • ISBN-10: 0891180761
  • ISBN-13: 978-0891180760
  • Dewey Decimal: 635.048
  • ECHO Library: 635.048 ASA

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