WSU Tree Fruit Research & Extension Center

Organic & Integrated Tree Fruit Production

Thursday, April 26, 2018

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2918. Idaho Agr. Expt. Sta.. 1950. Annual Report. Id Agr. Expt. Sta. Bull. #280.
T: hay yields, economics

1819. Elliott, L.F. (ed.). 1987. STEEP - Conservation concepts and accomplishments.. Washington State Univ. Publ., 662pp..
A compilation of 48 papers covering: tillage and plant maagement; erosion and runoff predictions; plant design; pest management; socio-economic; integrated systems; technology transfer for cropping systems; 22 technical notes. T: many

5152. Peterson, C.L., E.L. Michalson, and K.N. Hawley. 1988. Minimum input wheat production.. Amer. Soc. Agric. Engineers Paper 88-1058.
The paper describes a computer decision support program under development at the University of Idaho to help growers determine the most economic levels of inputs. It focuses on machinery decisions and fertilizers, but requests information regarding all aspects of farm management. It can produce "what-if" scenarios, examining different production strategies under various price conditions. Minimum input farming is particularly concerned with front-end capital requirements. It is an expansion of minimum tillage to include variables beyond yield and erosion as measures of success. Lack of adequate production functions relating tillage, fertilizer and pesticide use to crop yield are a major limitation. The Idaho fertilizer guide was not useful. Two MIF field plots were set up to test the program, using reduced fertilizer and reduced tillage for MIF. Costs of production were reduced on the MIF plots, which had net returns of $0.53/bu versus $0.33/bu for the conventional plots. Most of the gain was due to the reduction in phosphate fertilizer.

10766. Hall, M.H. (ed.). 1990. Idaho Forage Handbook. Idaho Agr. Expt. Sta. Bulletin 547, Moscow.
This handbook provides basic information on all aspects of forage management as applicable to Idaho farms. Sections include species selection, seeding, fertilization, harvest, pest contr, feed value, and economics.

10814. Heim, M., R.J. Cook, and D.J. Kirpes. 1986. Economic benefits and costs of biological control of take-all to the Pacific Northwest wheat industry.. Research Bulletin 0988, Agr. Res. Center, Washington State Univ., Pullman, WA.
Take-all can severely lower wheat yields. One possible control is through the use of antagonistic Pseudomonad bacteria applied to wheat seed. Disease surveys in the region verified increased disease problems with grain intensive rotations and with reduced till or no-till farming. Overall, an estimate 600,000 acres are affected by take-all in the region. Estimates of the cost of a commercial bacterial seed treatment were $14.30/ac applied. Wheat yields were assumed to increase an average of 5-10% from this. At a wheat price of $3.00/bu, a minimum 5 bu/ac increase is needed to break even on the treatment.

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