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This article in AJ

  1. Vol. 58 No. 1, p. 75-77
     
    Received: May 28, 1965


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doi:10.2134/agronj1966.00021962005800010025x

Effect of Nitrogen Fertilization and Harvest Frequency on Yield and Composition of Panicum maximum Jacq. in Dry Tropics1

  1. A. J. Oakes2

Abstract

Abstract

The response of applied N and harvest interval on yield and composition of guineagrass was determined. Forage yields increased and protein content decreased with length of harvest interval. Applied N increased yields for all harvest intervals. Applied N was utilized largely in production of dry forage as its protein content was not appreciably increased. Grass harvested at 4-month intervals receiving 300 pounds of N annually produced nearly 11 tons of dry forage. Protein yields were appreciably increased by N fertilizer, although protein content remained unchanged. Season had a marked effect on yield. Its effects were most pronounced on forage yields when harvested at shorter intervals. Lowered yields, depleted stands, and weed encroachment resulted from grass harvested at 2-month intervals.

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