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The Cost of Producing Pecans---Can We Grow Them for Less?. Lenny Wells, University of Georgia Department of Horticulture, Tifton, GA. Pecan Returns. *average price from 2005-2007. How Can We Reduce the Cost of Production?. Increase N use efficiency Reduce number of trips over the orchard.
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The Cost of Producing Pecans---Can We Grow Them for Less? Lenny Wells, University of Georgia Department of Horticulture, Tifton, GA
Pecan Returns *average price from 2005-2007
How Can We Reduce the Cost of Production? • Increase N use efficiency • Reduce number of trips over the orchard
Why Do you have a herbicide strip? • 40 X 40 • 12 foot wide herbicide strip: • 12/40 = 30% • Can reduce area that you apply • fertilizer to by 70% with • band application • At a rate of 75 lbs per acre: • 100 acres X 75 = 7500 lbs N • 7500 X 30% = 2250 lbs N
Effect of N Application Method on ‘Stuart’ Pecan----Year 1 N rate for all treatments = 70 lbs/acre Return per acre based on $2.71 per point (Yield/acre x 2.71) X % kernel = $/acre 28-0-0-5 Liquid Fertilizer) used for Injection and Herbicide Sprayer Applications; Cost = $500/ton Ammonium Nitrate used for broadcast band and broadcast applications; Cost = $495/ton
Food Safety Concerns Regarding the Use of Poultry Litter in Orchards • Raw vs Composted Litter • Time of Application • Crowded Orchards • Thin-shelled cultivars • Wet Harvest Conditions • Delayed Harvest
Foliar Urea • Feed Grade Urea = 4 lbs/100 gallons • Liquid Urea (23%) = 1 gallon/100 gallons • DO NOT USE BIURET UREA • Urea moves out of the leaf quickly to storage tissues • Unless leaf N is deficient, you probably won’t see an increase in leaf N
Chem Mowing Costs Monte Nesbitt, Auburn University Labor = $7.50/hr Diesel $4.00/gal Spray application cost = $3.34 Glyphosate cost = $38.00/gal Mowing cost per acre = $13.92/acre
Fruit Thinning Trial—2007 & 2008 • Irwin County • Approx. 20 yr old Cape Fear & Sumner • 5 trees thinned; 5 trees non-thinned/ cultivar
Total 2 year Value CAPE FEAR SUMNER