الفهرس 
REVIEW OF LITERATUREOnly 14 pages are availabe for public view
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Abstract
The intention of this study is to test some land leveling methods especially under Egyptian field condition to know the optimum power required to obtain better utilization of land leveling with minimum cost. The present work mainly covers the following points: 1-Earth works volume. 2-Laser land leveling performance and efficiency. 3-Effect of leveling accuracy on performance of chisel plough. 4-Effect of leveling accuracy on performance of seed drill. 5-Cost analysis for laser land leveling.