Browse on keywords: legume MT fallow replacement
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7907. Sims, J.R.. 1988. Dryland legume-cereal rotations for the Northern Great Plains-Intermountain region. p. 17-19. IN: S.K. Hilander (ed.). Proc. AERO/MSU Soil Building Cropping Systems Conference, Dec. 1988.
10297. Sims, J.. 1992. Project report, low-input legume/cereal rotations for the Northern Great Plains-Intermountain region.. Dept. of Plant and Soil Sci., Montana State Univ., Bozeman, MT 59717.
Two cycles of the Indianhead lentil green manure/wheat rotation have been completed, using controlled water use management. Wheat yields were greater for the intermediate water use at all sites when compared to all other treatments and both controls. Water use efficiency for legumes was as follows: winter pea > black medic > Cahaba white vetch = sweetclover > Indianhead lentil. Winter peas appear to be more efficient N producers than the lentil. N was apparently still being released from a 1988 plowdown when measured after another 1990 plowdown. Of 19 annual legumes, only Robinson snail medic produced wheat yields superior to fallow and equal to fallow plus 80N. Winter wheat yields from the 1990 large-seeded legume plots were all greater than yields after fallow and slightly less than fallow plus 40N. In on-farm demonstrations with legumes, malting barley quality factors were enhanced by a green manure crop.