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Table 4.  1997-1999 alfalfa variety yields at the Agronomy Research Center, West Lafayette , IN  Seeding date:  April 23, 1997
Dry Matter Yield (T/A)
			1997		1998		1999		97-99		% of Check
		Entry	total		total		total		total		97-98	97-99
		GEM	3.28	*	7.36	*	7.77	*	18.41	*	133	124
		DK140	3.21	*	7.53	*	7.43	*	18.17	*	134	122
		Choice	2.98	*	7.12	*	7.78	*	17.88	*	126	120
		Demand	2.96	*	7.01	*	7.84	*	17.81	*	124	120
		5454	2.89	*	7.15	*	7.74	*	17.78	*	125	120
		631	3.06	*	6.79		7.76	*	17.61	*	123	119
		5312	3.02	*	6.83		7.74	*	17.59	*	123	118
		DK141	3.02	*	6.86		7.59	*	17.47	*	123	118
		2888	3.00	*	6.92		7.53	*	17.45	*	124	118
		WH 80	2.87		6.80		7.65	*	17.32	*	120	117
		Complete	2.93	*	7.03	*	7.26		17.22		124	116
		Ace	3.05	*	6.99	*	7.13		17.17		125	116
		Spur	2.70		6.97	*	7.33		17.00		120	114
		Rushmore	2.78		6.90		7.30		16.98		121	114
		DK127	2.63		6.86		7.39	*	16.88		118	114
		Safeguard	2.55		6.51		7.20		16.26		113	109
		Vernal	2.53		5.50		6.82		14.85		100	100
		Grand mean	2.91		6.89		7.49		17.29
		LSD (5%)	0.41		0.59		0.5		1.17
		C.V. (%)	9.87		5.98		4.6		4.8
		No. of harvests	3		4		4		11
Entries with names preceded by "x" were tested using experimental seed that may not give performance identical to commercially available seed.
Yields followed by an asterisk (*) are not significantly different from the highest yield in the column.
Yield of "Vernal" used to calculate % of check
Location:  Agronomy Research Center, IN
Design:  Randomized block, 4 replications, 17 entries
Soil Type:  Xenia silt loam
Plots:  Five rows, 2.5' x 20', (harvested 2.5' x 15')
Seeded:  April 23, 1997, with 15 lb. live seed / acre;  1.3 lb. a.i. Balan / acre, incorporated
Fertilizer:  60 lb. P2O5 and 250 lb. K2O / acre applied after first and final harvest
Insects:  Alfalfa weevil and potato leafhopper controlled by spraying
(Copyright 1999 Purdue Research Foundation)