@article{jordan_barnes_bogle_marshall_corbett_crozier_mclawhorn_fisher_2005, title={Influence of cultural practices and crop rotation on kenaf yield in North Carolina}, ISBN={1543-7833}, DOI={10.1094/cm-2005-0913-01-rs}, abstractNote={Kenaf is a relatively new crop to North Carolina and its impact on cropping systems has not been clearly determined. The impacts of crop rotation on kenaf, as well as the impacts of kenaf on rotation crops were examined. Crops preceding kenaf included corn, soybean, cotton, and peanut while crops following kenaf or corn included corn, soybean, cotton, peanut, and tobacco. Experiments were also conducted to define interactions among kenaf planting dates, row width/plant population systems, and cultivars. In one of two years, kenaf yield was lower when kenaf followed peanut or soybean compared to following cotton. Peanut and soybean yield were similar when following either corn and kenaf. However, corn and cotton yield was lower in one of two years when following corn compared to kenaf. Tobacco yield was similar when planted following either corn or kenaf. The interaction of planting date, row width/plant population, and cultivar was not significant for kenaf yield. No yield differences were observed between kenaf cultivars Everglade 41 and Tainung 2. Kenaf yield was higher when planted May 15 rather than June 15 and when kenaf was planted in rows spaced 8 inches apart (total plant population of 261,000 plants per acre) compared to rows spaced 36 inches apart (total plant population of 174,000 plants per acre).}, journal={Crop Management}, author={Jordan, D. L. and Barnes, J. S. and Bogle, C. R. and Marshall, T. M. and Corbett, T. and Crozier, C. R. and McLawhorn, B. and Fisher, L.}, year={2005}, pages={1} } @article{jordan_barnes_bogle_brandenburg_bailey_johnson_culpepper_2003, title={Peanut response to cultivar selection, digging date, and tillage intensity}, volume={95}, ISSN={["1435-0645"]}, DOI={10.2134/agronj2003.0380}, abstractNote={Peanut (Arachis hypogaea L.) in the United States is generally grown in conventionally tilled systems. However, interest in reduced tillage peanut production has increased. Five experiments were conducted in North Carolina to determine if cultivar selection and digging date affected peanut yield and economic value when peanut was seeded into conventionally tilled seedbeds compared with strip tillage into small-grain cover crop or stubble from the crop planted the previous summer. In separate experiments, peanut yield and economic value in these tillage systems were compared with peanut strip-tilled into beds prepared the previous fall (stale seedbeds). Cultivar selection and digging date did not affect pod yield or gross value when comparing tillage systems. Pod yield in conventional and stale seedbed systems was similar in all five experiments where these systems were compared, and yields in these tillage systems exceeded those of strip tillage into crop stubble in three of five experiments. Pod yield was similar among all three tillage systems in the other two experiments. In experiments where only conventional tillage and strip tillage systems were compared, pod yield was similar between the two tillage systems in four experiments, higher in conventional tillage compared with strip tillage in one experiment, and higher for strip tillage compared with conventional tillage in one experiment. In 16 of 17 comparisons, pod yield of peanut planted in conventional tillage systems equaled or exceeded that of peanut planted into stubble from the previous crop.}, number={2}, journal={AGRONOMY JOURNAL}, author={Jordan, DL and Barnes, JS and Bogle, CR and Brandenburg, RL and Bailey, JE and Johnson, PD and Culpepper, AS}, year={2003}, pages={380–385} } @article{crozier_walls_hardy_barnes_2003, title={Tracking phosphorus response of cotton}, volume={87}, ISBN={0006-0089}, number={4}, journal={Better Crops With Plant Food}, author={Crozier, C. R. and Walls, B. and Hardy, D. H. and Barnes, J. S.}, year={2003}, pages={20} } @article{jordan_bailey_barnes_bogle_bullen_brown_edmisten_dunphy_johnson_2002, title={Yield and economic return of ten peanut-based cropping systems}, volume={94}, ISSN={["0002-1962"]}, DOI={10.2134/agronj2002.1289}, abstractNote={Research was conducted in North Carolina at two locations from 1997 through 2000 to determine net returns of 10 cropping systems during a 4‐yr cropping cycle that included peanut ( Arachis hypogaea L.), cotton ( Gossypium hirsutum L.), soybean [ Glycine max (L.) Merr.], and corn ( Zea mays L.). Cylindrocladium black rot [caused by Cylindrocladium parasiticum ] (CBR) increased when soybean was included in the rotation sequence or when peanut was grown continuously. The CBR‐resistant cultivar NC 12C increased yield compared with the susceptible cultivar NC 7 when this disease was present. Cotton was a better rotation crop than corn at one of two locations with respect to peanut yield and gross economic value in the final year of the study. Net returns were substantially lower when peanut was marketed for export in the current federal program rather than at the quota price. However, the profitability ranking among cropping systems changed little regardless of marketing system. Crop yield and net return were influenced by crop selection, weather conditions, and commodity prices during the 4 yr.}, number={6}, journal={AGRONOMY JOURNAL}, author={Jordan, DL and Bailey, JE and Barnes, JS and Bogle, CR and Bullen, SG and Brown, AB and Edmisten, KL and Dunphy, EJ and Johnson, PD}, year={2002}, pages={1289–1294} }