TY - SER AU - Abd El-Razek,W.T. AU - Abdel Maksoud,S. AU - Arnaoot,M.A. AU - Afify,M.K. TI - A Study on some mechanized systems to produce jerusalem artichoke crop KW - Jerusalem artichoke KW - Harvesting KW - Quality KW - Harvesting machinery N1 - Includes reference N2 - The present study is aimed to mechanize planting and harvesting for jerusalem artichoke (helianthus tuberosus L...) crop to energy requirements and machinery cost. the field experiments were carried out through two agricultural seasons of 2005/2006 and 2006/2007 UR - http://nile.enal.sci.eg/EALE/2009/ZJAR/3609/1/231.pdf ER -