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• EFFECT OF TIME AND FREQUENCY OF TOPPING ON STORAGE ROOT AND CUTTING PRODUCTION OF A BUSHY SWEET POTATO CULTIVAR

  Federico G. Villamayor Jr , Rudy D. Perez

  26-36

  1988-12-05

  Abstract View : 501

  ATR 10(1):26-36(1988) downloads: 40
• A review of soil degradation in the Philippines

  Victor B. Asio , Reinhold Jahn , Federico O. Perez , Ian A. Navarrete , Sergio M. Abit Jr

  69-94

  2009-11-18

  DOI : 10.32945/atr3124.2009

  Abstract View : 1895

  ATR 31(2):69-94(2009) downloads: 1689