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10059. Smith, L.J.. 1988. Regenerative agricultural systems in Nez Perce county.. unpublished handout, Univ. of Idaho/Nez Perce Cooperative Extension, Lewiston, ID.
This study was undertaken to evaluate, demonstrate and compare the competitive advantages associated with the use of green manure plowdown as a viable segment of regenerative systems in Nez Perce County. The greatest N return came from the yellow blossom clover and red clover mixture plowdown (191 lbs N), while two Austrian winter pea sites returned 116 and 92 lbs/ac N. Nitrogen carryover indicated that topdress N could have been reduced by 88% under the clover plowdown and up to 100% under one of the pea plowdowns. Yields of soft white winter wheat were 110 bu/ac following clover, and 82 and 100 bu/ac following the two pea plowdowns. Net return following clover was $214.85, and $94.63 and $123.35 for the two pea sites.