Mowing Height and Nitrogen Rate Affect Turf Quality and Vegetative Growth of Common Carpetgrass

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  • 1 Department of Horticulture, Louisiana State University Agricultural Center, 137 J.C. Miller Hall, Baton Rouge, LA 70803-2120
  • | 2 Department of Horticulture, Louisiana State University Agricultural Center, 137 J.C. Miller Hall, Baton Rouge, LA 70803-2120
  • | 3 Department of Horticulture, Louisiana State University Agricultural Center, 137 J.C. Miller Hall, Baton Rouge, LA 70803-2120
  • | 4 Department of Horticulture, Louisiana State University Agricultural Center, 137 J.C. Miller Hall, Baton Rouge, LA 70803-2120

Common carpetgrass (Axonopus affinis Chase), mowed at 3.8 or 7.6 cm and fertilized with at least 98 kg·ha–1 N, maintained acceptable lawngrass quality during the 1993 and 1994 growing seasons. Cumulative vegetative growth (CVG) quality and coverage were increased in mowed plots fertilized with 98, 147, or 196 kg·ha–1 N. Unsightly seedheads were a problem in nonmowed plots 3 weeks after the start of the experiment, but did not appear in the mowed plots. Our results indicate that mowing common carpetgrass at 3.8 or 7.6 cm and fertilizing with 98, 147, or 196 kg·ha–1 N will provide acceptable turfgrass quality.

Contributor Notes

to whom reprint requests should be addressed (e-mail: ebush@agctr.lsu.edu).Louisiana Co-operative Extension Service, P.O. Box 25100, Baton Rouge, LA 70894-5100.Present Address: Novartis Crop Protection Inc., 11561 Hemlock Dr., Overland Park, KS 66210.
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