David L. Wright, Tawainga W. Katsvairo, Jim J. Marois, Pawel J. Wiatrak, and Jim R. Rich. North Florida Research and Education Center, 155 Research Road, Quincy, FL 32351
The southeast (SE) leads the nation in the use of conservation tillage in row crops. In fact conventional cropping in the SE refers to conservation tillage for peanut and cotton growers. Application of nematicides is often more difficult in conservation tillage than in convention tillage. We conducted studies in at two sites, one in Quincy and a second in Marianna, FL in 2004 to evaluate the influence of tillage and Temik application on peanuts. The 4 tillage systems included strip-till, harrow + turn plow, harrow + chisel and paratill + strip-till at planting. The 2 temik 15G application rates were 0 kg/ha and 11.2 kg/ha. Greatest peanut yields were obtained from treatments with harrow + chisel (3546 kg/ha) and harrow + turn plow tillage systems compared to Paratill + strip-till (2475 kg/ha) and strip-till (2682 kg/ha). Temik did not influence yields of peanuts. A tillage X temik interaction was not significant. At the Mariana site, temik increased peanut yields by up to 700 kg/ha.
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