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

This book includes question and answers on how to improve and maintain tropical soil fertility.  It also includes activity guides and a resource listing.

Publication Details

  • Published: 2002
  • Publisher: OUTREACH/TV
  • Dewey Decimal: 551.3
  • ECHO Library: 551.3 KAH