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This article in AJ

  1. Vol. 75 No. 1, p. 9-13
     
    Received: Mar 18, 1982


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doi:10.2134/agronj1983.00021962007500010003x

Seedbed Preparation and Planter Comparisons for Proso Millet Following Wheat1

  1. L. A. Nelson and
  2. C. R. Fenster2

Abstract

Abstract

Advances in herbicides and technology allows producers to replace long-term (14 month) fallow periods with an additional crop in the semiarid region of western Nebraska. An example of an additional crop is when proso (Panicum miliaceum L.) is planted after winter wheat (Triticum aestivum L.) to give a wheat-proso-fallow rotation and allow two crops in 3 years. The purpose of this research was to determine the influence of four methods of preparing a seedbed (burn, plow, stubble mulch, and no till) in combination with three types of planting on yield and agronomic characteristics of proso following wheat. This study was conducted over a 6-year period (1973–1979) at the High Plains Agric. Laboratory near Sidney, Nebr. on mesic Aridic Argiustoll soil.

The results of this study indicate that neither the seedbed nor planter influenced proso grain yields and test weights, but plant heights, heading dates, and stand counts were influenced by both the seedbed and planter. Generally, no till resulted in lower emergence than burn, plow, and stubble mulch seedbed by 16, 14, and 12%, respectively. Proso planted in the stubble mulch and no-till seedbeds were 6 and 12% taller, respectively, than proso planted in the burn and plowed plots. Interactions of seedbed, planters, and years influenced yield, test weight, height, heading date, and stand count which suggest that no one system is best under all conditions. The effects of summer rainfall on yield 'and stand count were positively correlated to the rain that fell after planting.

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