WSU Tree Fruit Research & Extension Center

Organic & Integrated Tree Fruit Production

Tuesday, October 16, 2018

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2415. Hanna, M.R., G.C. Kozub, and S. Smoliak. 1977. Forage production of sanfoin and alfalfa on dryland in mixed- and alternate-row seedings with three grasses.. Canadian J. Plant Sci. 57:61-70.
Alfalfa-grass yielded better than sanfoin grass. Sanfoin is a suitable alternative to alfalfa in parts of the prairie region, but particular attention must be paid to the selection of companion species if it is to be grown in association with a grass. Russian wild rye was the most productive companion in this study. Mixed row seedings were higher for all combinations except sanfoin-pubescent wheatgrass in alternate rows. Sanfoin does not causse bloat, but stands are generally shorter-lived than alfalfa. Pure stands of sanfoin may yield the most, but grasses will extend the life of the stand.

6720. Stephenson, R.E.. 1941. Humus for Oregon soils.. OR Agr. Expt. Sta. Circ. #143.
Four tons of stable manure were equal in value to 5 tons of green manure plowdown. The humus renewal of 1 yr legume sod equaled the humus lost during 1 yr row cropping. Plant material should never be burned. Fresh additions of organic matter stimulate root developement. Alfalfa for soil building - 2/3 of roots left below plow layer. Pea green manure raised OM content by 0.2% after 4 crops. Prairie grass adds 4T/ac roots in 4" of soil. T: organic matter levels and changes.

10215. McClure, N.R., A.L. Hafenrichter, and J.L. Schwendiman. 1958. Grasses and legumes for conservation farming in north-central Oregon and adjacent areas.. USDA-Soil Conservation Service, Portland, OR..
This publication summarizes the findings of an on-farm plant nursery near Condon, OR, that was set up by the SCS to field test promising drought-tolerant grasses and legumes. Recommended mixtures for various purposes (hay, green manure, conservation) are listed. Yield data for four years are presented as well.

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