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This article in CM

  1. Vol. 6 No. 1
     
    Accepted: Mar 06, 2007


    * Corresponding author(s): w-grichar@tamu.edu
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doi:10.1094/CM-2007-0615-01-RS

Row Spacing, Plant Populations, and Cultivar Effects on Soybean Production Along the Texas Gulf Coast

  1. W. James Grichar *a
  1. a 3507 Hwy 59E, Texas A;M University, Texas Agricultural Experiment Station, Beeville 78102

Abstract

Three soybean (Glycine max L.) cultivars were compared when planted in twin rows (two rows spaced 4 to 6 inches apart on a single bed with 38-inch centers) to soybean produced in single rows on a bed (spaced 38 inches apart) at three seeding rates of 6, 10, and 15 seeds/planted ft at two locations along the Texas Gulf Coast in 2003 and 2004. Soybean yield averaged over cultivars and seeding rates resulted in the twin-row system out-producing the single-row system at two of the four site-years. Soybean yield did not increase as the seeding rate increased with either row spacing. When only seed costs were considered, the twin-row system planted at 6 seeds/ft had the highest net return at three of the four site-years.

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