Table 10. Gamagrass, Pennisetum orientale, and Big Bluestem observation. WFREC, Jay, FL. 1999 Dry Matter Pounds per acret Entry P. oriental P.I. 271596 P. oriental P.I. 271595 P. oriental P.I. 314994 P. oriental P.I. 269961 P. oriental P.I. 219610 Fla. Ecotype Gamagrass Pete Gamagrass Ala. Ecotype Gamagrass P. oriental P.I. 315867 Tenn. Ecotype Gamagrass Gamagrass (WF6) Big Bluestem LSD (t.05) t Pounds per acre X 1.12 = kilograms per hectare. Rows set on September 17, 1998 with plants added on 28 April 99. SOIL: FERTILIZER: Orangburg sandy loam (Typic Paleudult) 400 pounds per acre of 8-24-24 on 13 May 99; 200 pounds per acre of ammonium nitrate on 16 July 99 and 100 pounds per acre of ammonium nitrate on 8 Sept. 99. 6 July 4910 4730 3090 3140 3690 1880 1020 1120 650 730 320 320 1610 18 Aug. 5410 4790 4440 4360 3560 2030 2250 2240 1430 1260 470 510 1910 23 Sept. 1770 1630 1390 1380 1150 670 790 700 530 520 160 40 720 Total 12,090 11,150 8,920 8,880 8,400 4,580 4,060 4,060 2,610 2,510 950 870 3,780