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Alfalfa Variety Performance at Tucson, 2009-2010Ottman, M. J., Smith, S. E. 06 1900 (has links)
New alfalfa varieties are constantly being introduced into the marketplace. The number of varieties available for low-elevation desert areas in Arizona in the non-dormant class is over50. New varieties are introduced each year and unbiased yield comparisons are helpful to the grower to base the decision of whether or not to sow a new variety. The study reported here is part of the on-going effort to evaluate alfalfa variety performance in Arizona. A summary of alfalfa variety trials conducted by the University of Arizona can be found online at http://ag.arizona.edu/pubs/crops/az1267.pdf.
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Invinsa Application to Reduce Water Stress Effects on Corn Growth and Yield at Maricopa, AZ, 2012Ottman, M. J., Kimball, B. A. 06 1900 (has links)
Invinsa blocks ethylene perception by plants and can reduce the negative effects of water stress on crop growth. The objective of this study is to measure the effect on corn growth and yield of Invinsa application at incipient water stress. A study was conducted at the University of Arizona Maricopa Agricultural Center where Invinsa was applied on 15 May in blocks with adequate or deficit irrigation. The deficit irrigation block received no irrigation water for 7 days past incipient stress beginning on 15 May, but otherwise received adequate water during the other parts of the season. Invinsa had little or no effect on crop growth measured at five different dates during the growing season. Invinsa had no effect on grain yield, grain moisture content, harvest index, ear number, kernels per ear, kernel weight, and silking date. We were not able to measure an effect of Invinsa on photosynthetic rate, conductance to water, intercellular CO2 concentration, vapor pressure deficit, or leaf temperature. However, Invinsa increased daily water use at various time periods, particularly in the adequate irrigation regime. The lack of a response this year to Invinsa, other than water use, is similar to the results from last year where no consistent response was measured. Invinsa has increased corn yield in other regions, and heat and/or water stress at the Maricopa may mask the effects of Invinsa or render it ineffective.
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Alfalfa Variety Performance at Tucson, 2007-2008Ottman, M. J., Smith, S. E. 06 1900 (has links)
New alfalfa varieties are constantly being introduced into the marketplace. The number of varieties available for low-elevation desert areas in Arizona in the non-dormant class is aver50. New varieties are introduced each year and unbiased yield comparisons are helpful to the grower to base the decision of whether or not to sow a new variety. The study reported here is part of the ongoing effort to evaluate alfalfa variety performance in Arizona. A summary of alfalfa variety trials conducted by the University of Arizona can be found online at http://ag.arizona.edu/pubs/crops/az1267.pdf.
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Small Grains Variety Evaluation at Maricopa, Coolidge and Yuma, 2010Ottman, M. J. 09 1900 (has links)
Small grain varieties are evaluated each year by University of Arizona personnel. The purpose of these tests is to characterize varieties in terms of yield and other attributes. Variety performance varies greatly from year to year and several site-years are necessary to adequately characterize the yield potential of a variety. A summary of small grain variety trials conducted by the University of Arizona can be found online at http://ag.arizona.edu/pubs/crops/az1265.pdf.
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1978 Wheat and Barley Variety Evaluation at the University of Arizona Mesa Experiment FarmThomason, R. K. 09 1900 (has links)
No description available.
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Oat and Barley Variety TestsCluff, Ronald C., Parsons, David K., Dennis, Robert E. 09 1900 (has links)
No description available.
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Corn and Milo as Grain Sources with Various Levels of Alfalfa HayHale, W. H., Theurer, C. Brent, Prouty, Frank, Muntifering, Russell, Dryden, F., Felix, S. 09 1900 (has links)
No description available.
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An Evaluation for Flowing Versus Not Plowing in Seed Bed Preparation for Growing Grain Sorghum Double Crop After BarleyBimpolo, Paul, Voigt, Robert L., Schmalzel, Carl L. 09 1900 (has links)
No description available.
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Relative Potential of Corna nd Sorghum for Grain Double Cropped After WheatSchmalzel, Carl L., Voigt, Robert L., Bimpolo, Paul, Thatcher, Max 09 1900 (has links)
No description available.
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Sorghum, Pearl Millet and Corn Grown for Grain Production Under Double-Crop Rainfed Conditions at Marana, ArizonaVoigt, Robert L., Schmalzel, Carl L. 09 1900 (has links)
No description available.
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