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Abstract

 

This article in AJ

  1. Vol. 54 No. 3, p. 200-202
     
    Received: June 26, 1961


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doi:10.2134/agronj1962.00021962005400030006x

Root Weight and Distribution of Blue Panicgrass, Panicum antidotale Retz., as Affected by Fertilizers, Cutting Height, and Soil-Moisture Stress1

  1. Neal Wright2

Synopsis

Synopsis

Root distribution by weight to a depth of 12 feet showed 70% of the roots in the top 2 feet. A significant root weight increase resulted from nitrogen fertilizer with maximum response at the 525-pound level. Root weights were significantly increased when 525 pounds of P was applied with 175 pounds of N. No further increase occurred when N was increased to 875 pounds per acre. Other treatments and interactions were nonsignificant (P, K, NK, and PK),. Root weights were significantly reduced with lower clipping heights and lower soil-moisture-stress depths. Responses to clipping height and soil moisture were linear.

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