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Published online 23 February 2005
Published in Crop Sci 45:668-672 (2005)
© 2005 Crop Science Society of America
677 S. Segoe Rd., Madison, WI 53711 USA
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Nitrogen Source and Rate Effects on the Production of Buffalograss Forage Grown with Irrigation

T. L. Springera,*, C. M. Taliaferrob and J. A. Hatteyb

a USDA-ARS, Southern Plains Range Res. Stn., 2000 18th Street, Woodward, OK 73801
b Oklahoma State Univ., Dep. of Plant and Soil Sciences, Stillwater, OK 74078


Figure 1
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Fig. 1. The influence of rate and source of applied N on the forage dry matter yield of buffalograss grown with irrigation in 1999 to 2001. SCM, solid cattle manure; CF, commercial fertilizer; and LSE, liquid swine effluent. Each data point is the mean ± SE. Point-to-point spline lines were added to aid in data interpretation.

 

Figure 2
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Fig. 2. The influence of rate and source of applied N on the forage height of buffalograss grown with irrigation in 1999 to 2001. SCM, solid cattle manure; CF, commercial fertilizer; and LSE, liquid swine effluent. Each data point is the mean ± SE. Point-to-point spline lines were added to aid in data interpretation.

 

Figure 3
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Fig. 3. The influence of rate of applied N on the forage height of buffalograss grown with irrigation in 1999 to 2001. Each data point is the mean ± SE. Point-to-point spline lines were added to aid in data interpretation.

 

Figure 4
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Fig. 4. The influence of rate and source of applied N on the crude protein (CP) concentration of buffalograss grown with irrigation in 1999 to 2001. SCM, solid cattle manure; CF, commercial fertilizer; and LSE, liquid swine effluent. Each data point is the mean ± SE. Point-to-point spline lines were added to aid in data interpretation.

 

Figure 5
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Fig. 5. The influence of rate of applied N on crude protein (CP) concentration of buffalograss grown with irrigation in 1999 to 2001. Each data point is the mean ± SE. Point-to-point spline lines were added to aid in data interpretation.

 

Figure 6
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Fig. 6. The influence of rate and source of applied N on in vitro organic matter digestibility (IVOMD) of buffalograss grown with irrigation in 1999 to 2001. SCM, solid cattle manure; CF, commercial fertilizer; and LSE, liquid swine effluent. Each data point is the mean ± SE. Point-to-point spline lines were added to aid in data interpretation.

 





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