Field Performance of the Disk Harrow, Power Harrow and Rotary Tiller at Different Soil Moisture Contents on a Clay Loam Soil in Mazandaran 
M Rajabi Vandechali; A Hemmat; A Ghanbari Malidarreh;
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The Ferdowsi University of Mashhad strives to be one of the top universities in Iran in terms of scientific developments, developments in the theoretical and technological areas as well as maintaining its Iranian and Islamic identity. It ranks in the top ten universities in the Islamic world, and ranks in the 500 top universities worldwide.