H. Z. Khanghah

Tillage depth and forward speed effects on draft of three primary tillage implements in clay loam soil.

Payam Javadikia, Leila Naderloo, L. Naderloo, 2009 .

Integration of mechanical methods and herbicides in controlling weeds of soybean (Glycine max).

N. Crossman, J. Watts, C. Preston, 2006 .