Evaluation of Dry Field Pea for Forage Production in Montana (Uniform Dry Pea Forage Trial) (2001)
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Date
2001
Journal Title
Journal ISSN
Volume Title
Publisher
Central Agricultural Research Center
Abstract
This report evaluates Austrian winter pea variety forage production in pure stands and with a companion cereal forage (Haybet hay barley) under different cropping and environmental conditions in Montana. Average dry matter forage production under dryland conditions was 3,320 pounds per acre (1.7 tons/acre) and under irrigation was 7,044 pounds per acre (3.5 tons/acre; Table 26). Haybet hay barley was the top dry forage producer at all sites (significant under irrigation), having an average dryland production of 4,389 lbs/acre (2.2 tons/acre) and an irrigated average production of 10,980 pounds per acre (5.5 tons/acre). Dry pea varieties mixed with barley had higher yields compared to pure stands (not significant at Bozeman). When all peas and pea/barley mixed plots were combined and compared with pure barley forage production, pure pea plots had significantly lower yields under both cropping conditions (Table 27). Under irrigation, the pea/barley mixed plots also had significantly lower forage yields than pure barley stands. These differences may be attributed to the disparity in total plot (pea + barley in mixed plots) stand densities between pure pea, pure barley and mixed plots under dryland (8, 12, and 12 plants/ft2, respectively) and irrigated conditions (10, 21 and 17 plants/ft2; see Table 24).
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Keywords
Agronomy, Plant sciences