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Organic & Integrated Tree Fruit Production

Wednesday, December 12, 2018

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2304. Grilley, W.. 1990. Wheat production costs outlined.. Growers Guide, January 1990, p. B7.
The average cost of producing a bushel of wheat in Eastern Oregon under a wheat-fallow system. An average yield of 42 bu/ac was used. The 1989 costs was $4.55/bu. The total estimated production cost for the 1989-90 crop is $190.01 per planted acre, using moldboard plow tillage. Total wheat acreage for the Columbia Plateau was estimated at 514,500 acres harvested.

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.

10526. Berardi, G.M.. 1977. An energy and economic analysis of conventional and organic wheat farming.. p. 439-447 In: R.C. Loehr (ed.). Food, Fertilizer, and agricultural residues. Ann Arbor Sci. Publ..
Twenty farms growing winter wheat in PA and NY were selected for study, with ten using conventional fertilizers and ten using organic fertilizers. The average profitability for the conventional farms was $59.50/ha versus $14.55 for the organic farms. Wheat production by conventional farming pracctices averaged 48% higher energy inputs and only 29% higher yields than wheat produced by organic farmers. It was primarily the use of nitrogen fertilizers that resulted in the higher total energy inputs for the conventional farms.

10874. Martin, M. and H. Radtke. 1986. Contribution of the Oregon wheat industry to Oregon's economy.. Agr. Expt. Sta. Bull. 668, Oregon State Univ., Corvallis..
Recent statistics are presented describing production, price, and marketing trends for Oregon wheat. Wheat is the most important field crop and nearly all of it is exported.

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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