Yield, Yield Distribution, and Forage Quality of Warm-Season Perennial Grasses Grown for Pasture or Biofuel in the Southern Great Plains

Table 4

Dry matter crude protein (CP), total digestible nutrient (TDN), and acid detergent fiber (ADF) by harvest month of fifteen warm-season perennial grasses in 2004 near Ardmore, OK, USA.

Species	(g kg^−1)
	May			June			August			September
	CP	TDN	ADF	CP	TDN	ADF	CP	TDN	ADF	CP	TDN	ADF
Alamo switchgrass	115	590	393	—	—	—	43	496	477	—	—	—
Blue panicgrass	—	—	—	—	—	—	68	512	463	162	646	343
Blackwell switchgrass	—	—	—	79	514	461	—	—	—	—	—	—
Dallisgrass	—	—	—	97	532	445	80	549	430	—	—	—
Ermelo weeping lovegrass	113	574	407	—	—	—	57	539	439	70	569	412
Carostanflaccidgrass	116	580	402	—	—	—	42	471	500	96	549	430
Johnsongrass	108	576	406	—	—	—	40	479	493	101	590	393
Selection 75 kleingrass	123	613	372	—	—	—	64	561	419	103	635	353
Lometaindiangrass	—	—	—	66	530	447	—	—	—	—	—	—
Midland 99 bermudagrass	86	599	385	—	—	—	51	584	398	88	589	394
Morpa weeping lovegrass	108	564	416	—	—	—	59	548	431	76	578	404
Pensacola bahiagrass	—	—	—	104	578	404	84	572	409	86	569	412
Plains bluestem	—	—	—	96	512	463	—	—	—	—	—	—
Sand Mountain bahiagrass	—	—	—	—	—	—	—	—	—	121	619	367
WW.B-Dahl old world bluestem	—	—	—	84	555	442	—	—	—	—	—	—
Mean	110	585	397	88	537	441	59	531	446	100	594	390
Standard error†	4.4	6.3	5.7	5.7	10.3	9.3	4.9	12.4	11.2	9.2	11	9.8

— indicates that the species was not harvested that month.
†Standard errors are calculated within columns.