M.A. Wilson ¹, Derald A. Harp¹, V.A. Khan², and C. Stevens^2
1Department of Agriculture, Southeast Missouri State University, Cape Girardeau, MO63701
²George Washington Carver Experiment Station, Tuskegee University, Tuskegee Inst., AL36088 USA

          Keywords: NutriPak fertilizer ‘Atlantic’ potatoes, grade A potatoes, and grade B potatoes.

Abstract: The experiment was conducted in a split plot to determine the effect of four rates of NutriPak fertilizer and bare soil verses plastic mulch on the yield of ‘Atlantic’ potatoes.  Potatoes were planted March 25, 2001 and begin emerging on April 5, 2001.NutriPak fertilizer was applied at three growth stages.  Total number of grade A potatoes was not significant for the regression analysis of four dose levels of NutriPak fertilizer on ‘Atlantic’ potatoes with the bare soil treatment.  Similar results showed that the highest yield for grade B potatoes were at the 16 oz of NutriPak per acre again with the bare soil treatment.  Potato yields were consistently higher for both grade A and grade B potatoes with NutriPak fertilizer at 16 oz per acre.  These data showed that bare soil had the highest numbers and weights of potatoes with 16 oz NutriPak per acre.  Generally, polyethylene mulch tends to produce higher yields compared to bare soil treatments.

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