الفهرس | Only 14 pages are availabe for public view |
Abstract The objectives of the research: 1-Selecting the tillage system which decreases the population of avena weed and increases the wheat crop production. 2-Selecting the proper planting methods which decreases the population of avena weed and increases the wheat crop production. 3-Selecting the proper tillage system which reduces the power, energy and cost The main experiments were carried out through two season of 2008 and 2009 at Kafr Awad (Ibrahyamya Center- El sharkia) |