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This article in AJ

  1. Vol. 66 No. 1, p. 50-52
     
    Received: Apr 16, 1973


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doi:10.2134/agronj1974.00021962006600010013x

Emergence and Yield of Beans Planted with a Seed-Orienting Planter1

  1. C. W. Hayden and
  2. S. A. Bowers2

Abstract

Abstract

Recent observations from an unrelated bean (Phaseolus vulgaris L.) field experiment indicated a possible relationship between emergence and seed orientation. To test the benefits of a “lay flat” orientation, a furrow opener was developed that horizontally orients bean seeds at uniform soil depths. Beans planted through this furrow opener emerged through the soil crust sooner and in significantly greater numbers than did those planted with a standard two-disk furrow opener. Oriented and un-oriented plantings of dry and snap beans did not differ in final total emergence. Nevertheless, early snap bean yields were greater from the seed-oriented plots. Increased yield was due to earlier emergence, and uniform depth of planting. On uncrusted soil, seed orientation did not significantly increase dry bean yield.

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