Wednesday, 22 June 2005 - 9:30 AM
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Evaluation of Spring and Winter Pulse Crop Production Potential in Montana.

David Wichman1, Karnes Neill1, Chengci Chen1, Joyce Eckhoff1, Grant Jackson1, Kenneth Kephart1, Malvern Westcott1, Duane Johnson1, Gregg Carlson2, and Perry Miller1. (1) Montana State University, Central Agricultural Research Center, HC90 Box20, Moccasin, MT 59462, (2) Montana Agri Experiment Stn, 3848 Fort Circle, Havre, MT 59501-8409

There has been an increased interest in diversified crop rotations in Montana dryland agriculture. Pulse crops, such as dry pea, lentil and chickpea, are good rotation crops for cereal dominated cropping systems in Montana's climate. These crops provide both Nitrogen (N) and non-N benefits in cereal crop rotations. However, suitable varieties and production potentials have not been evaluated. A set of multi-year, statewide variety evaluation trials was established for spring dry pea, lentil and chickpea crops at participating MSU-MAES research centers across Montana from 1998 to 2002. In 2002, a multi-year evaluation trial was established for winter dry pea and lentil production at Moccasin. Dryland spring dry pea production statewide averaged 1,651 kg ha-1 seed production. Sidney and Moccasin showed the best potential for dryland production (1,998 and 1,943 kg ha-1, respectively). Winter dry pea production at Moccasin averaged 1,732 kg ha-1 of grain production. Although higher than the 5-year statewide production, winter grain yields were less than spring types in trials at Moccasin during the same time period. Dryland lentil production statewide averaged 1,193 kg ha-1 of seed production. Sidney and Bozeman showed the greatest potential for dryland production (1,483 and 1,458 kg ha-1, respectively). Winter lentil production at Moccasin averaged 1,232 kg ha-1 seed production. Dryland chickpea seed production statewide averaged 1,764 kg ha-1 for the desi-type and 1,015 kg ha-1 for kabuli-type chickpeas. The greatest potential for desi production was at Bozeman, Sidney and Huntley (2,257, 2,016 and 1,784 kg ha-1, respectively). The greatest potential for kabuli production was at Bozeman and Huntely (2,003 and 1,180 kg ha-1, respectively).

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