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Organic & Integrated Tree Fruit Production

Sunday, July 22, 2018

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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

3752. Kraten, S.L.. 1979. A preliminary examination of the economic performance and energy intensiveness of organic and conventional small grain farms in the Northwest.. M.A. Thesis, Dept. of Agr. Econ., WSU, Pullman, WA. 158pp..
Economic and energy profiles from six organic farms were compared with similar conventional farms. The conventional farms produced 2% more crop value per acre than the organic farms. The organic farms had 22.4% higher net return due to lower variable costs. The conventional farms were 52.6% more energy intensive per dollar value of output than the organic farms. The organic farms yielded 39.9 bu/ac and conventional farms yielded 35.2 bu/ac. T: Average returns and energy use for organic and conventional farms. Cost, returns, and energy use by crop.

5084. Pawson, W.W. and others. 1953, Dec.. Progress report on the economics of conservation farming in the Palouse wheat-pea region.. VOL.III Effects of convervation practices on soil and water losse.

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.

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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