WSU Tree Fruit Research & Extension Center

Organic & Integrated Tree Fruit Production

Friday, June 22, 2018

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6525. Brown, P.L.. 1965. Legumes and grasses in dryland cropping systems in the Northern and Central Great Plains.. USDA-ARS Misc. Publ. No. 952.

643. Baker, V.W. and I.P. Swanson. 1962. Economic effects of a grass-legume rotation in Palouse wheat-pea area.. WA Agr. Expt. Sta. Circular #183.
Farms using a grass-legume rotation show important economic advantages over other farms in comparison of 5 year data from 3 pairs of Palouse farms. T: Amount of cropland by type of crop. Average annual crop production. Cost inputs and income per cropland acre. Calculated erosion losses.

3570. Kent, R.L.. 1957. Conservation crop rotations in the PNW.. J. Soil Water Conservation, 12(6): 269.
Experimental data and observations indicate that crop rotations with grass and legumes is needed in the wheat-pea area. Also of importance are strip croping, contour operation, stubble mulching, early seeding of winter wheat. T: comparison of OM, water loss, soil loss from virgin land and crop land.

4817. Nelson, A.L.. 1933. Grasses, alfalfa, and sweetclover at the Archer Field Station.. WY Agr. Expt. Sta. Bulletin 195.
Alfalfa was not successful as a legume in rotation with cereals over 16 years. Oat yields following 2 years alfalfa were 14.7 bu/ac compared to 21.5 following corn. Alfalfa greatly depleted soil moisture.

7008. USDA Soil Conservation Service. 1939. Proceedings Annual Agronomy Conference ad Grass School.. USDA - SCS Region 9.
Tillage studies; sweetclover management; Blue Mtn. region; grass performance.

7028. USDA Soil Conservation Service. 1955. Joint Utah - Idaho Conservation Dryland Farming Guide.. .
Describes 3 basic rotations for the region: 1) grass/alfalfa - no more than 2 yr grain (Class IV land, precip. >17"); 2) grain - fallow - various rotations with alfalfa/grass or sweetclover depending on precip. (12-17"); 3) permanent grass/legume, with no more than 2 yr grain (precip 9-12", Class IV land); lists adapted grass and legume varieties; describes use of rotary hoe and skew treader for weed control. T: grass varieties.

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