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Grasses
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28 – Switch Alamo (Panicum virgatum)

Dry Matter, Yield and Nutrient Compostion at 12-weeks

Fall Winter Spring Summer Fall Winter Spring Summer Fall Average Standard
deviation

12/10/96 03/10/97 06/10/97 09/10/97 12/10/97 03/10/98 06/16/98 09/17/98 12/16/98

DM, % 46.02 20.44 31.19 30.35 24.95 24.25 28.77 24.71 21.48 28.02 7.70
Yield, lb/ac 5300.74 3121.67 8501.48 4173.25 1004.64 1078.51 1085.9 3254.4 1440.48 3,217.90 2,508.93
CP, % 6.01 8.47 5.71 11.4 8.99 10.41 7.03 7.15 8.53 8.19 1.92
ADF, % 42.48 37.6 44.17 38.67 31.89 29.46 34.08 35.21 32.4 36.22 4.94
P, % 0.06 0.15 0.1 0.12 0.17 0.13 0.18 0.2 0.22 0.15 0.05
K, % 0.2 1.24 0.26 0.54 0.32 0.86 0.37 0.45 0.3 0.50 0.34
Ca, % 0.42 0.37 0.26 0.44 0.46 2.28 0.27 0.28 0.4 0.58 0.64
Mg, % 0.2 0.24 0.24 0.48 0.28 0.34 0.3 0.37 0.35 0.31 0.09
Na, % 0.06 0.13 0.1 0.05 0.07 0.09 0.08 0.18 0.24 0.11 0.06

Mn, ppm 37 30 23 26 63 204 30 50 67 58.89 56.72
Fe, ppm 293 215 168 210 1813 5844 632 897 2013 1,342.78 1,825.94
Cu, ppm 2 6 2 2 5 11 2 4 18 5.78 5.45
Zn, ppm 13 26 18 13 14 39 9 11 15 17.56 9.41
Bo, ppm 2 2 2 4 6 45 7 4 8 8.89 13.72


Tropical Forage Demonstration Garden, Glen K. Fukumoto
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Last updated on 11/29/02