The research objective was to determine of effect of soil moisture content on the soil stickiness of the moldboard plow surface coated by copper in tillage ultisol soil. The method used was Factori…
Bondy, Philip K. - Fishman, Alfred P. - Berkow, Robert - Talbott, John H - Alpert, Elmer - Bondy, Donald C. - Feinstein, Alvan R. - Ormsby, John W - Petersdorf, Robert G. - Richards, Dickinson W - Roth, Sir Martin - Sebrell, W. Henry - Welt, Louis G.