WSU Tree Fruit Research & Extension Center

Organic & Integrated Tree Fruit Production

Friday, April 20, 2018

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4302. McDole, R.E., R.W. Harder, and J.P. Jones. 1978. North daho fertilizer guide - Alfalfa.. ID Agr. Expt. Sta. CIS #447.
Describes crop needs for P,K,S and micronutrients.

6329. Slinkard, A., V. Biederbeck, L. Bailey, P. Olson, W. Rice, and L. Townley-Smith. 1987. Annual legumes as a fallow substitute in the northern Great Plains of Canada.. IN: J.F. Power (ed.). The role of legumes in conservation tillage systems. p. 6-7..
Tested tangier flatpea, indianhead lentil, fababean, field pea, and Austrain winter pea at several locations. Data suggest that annual legume green manures contributed about 40 lb N/ac, and increased wheat yields more than the addition of 54 lb N fertilizer on wheat stubble. Moisture greatly affected yield after legumes. Choice of annual legume depends on relative seed cost. Suggest indianhead lentil as most promising species. The value of the N it fixes comes close to the seed cost. Three management systems are proposed.

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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