Root Weight and Distribution of Blue Panicgrass, Panicum antidotale Retz., as Affected by Fertilizers, Cutting Height, and Soil-Moisture Stress1
- Neal Wright2
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.Please view the pdf by using the Full Text (PDF) link under 'View' to the left.
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