Hybrid Corn Hettinger

			Silage				Grain Yield
Brand	Hybrid	Relative matur.	Harvest moist.	1998	1999	Test weight	1998	1999
		days	%	-----Tons/ac*-----		lbs/bu	-----bu/ac**-----
Dekalb	DK440	94	57	2.83	6.59	47.5	57.8	69.4
Dekalb	DK405	90	64		5.72	49.7		76.9
Dekalb	DK427	92	67		5.98	49.4		75.9
Dekalb	DK389BtY	88	68		4.98	52.0		62.4
G.Harvest	H6726	92	59		5.93	50.1		58.9
G.Harvest	H2263	90	64		4.64	50.3		54.6
IS/Payco	4X85	85	61	3.12	4.89	52.8	40.5	57.8
IS/Payco	X417	91	69		4.64	50.8		62.2
IS/Payco	4X309	85	60		5.60	53.4		55.5
Kaystar	KX405	90	66		5.28	49.0		65.1
Kaystar	KX288	82	62		5.16	49.2		60.0
Proseed	185	85	71	5.69	4.11	47.9	38.3	49.6
Proseed	4828	82	63		4.64	55.9		46.5
Trial Mean				2.69	5.24	50.6	37.9	61.1
C.V. %				13.0	13.8	1.7	28.4	12.7
LSD .05				0.58	1.22	1.4	17.8	13.0
LSD .01				0.77	1.65	1.9	NS	17.6

Planting date: May 18, 1999
Seeding rate: 21,000 seeds/acre, thinned to 18,000 plants/acre.
Row spacing: 28"
Previous crop: 1998 = fallow, 1999 = Canola.
*Silage yields are adjusted to 0% moisture.
**Grain yields are adjusted to 13.5% moisture.
NS = no statistical difference between hybrids.
Harvest date: Silage - September 15, 1999
Grain - October 14, 1999
Notes: Corn sustained a killing frost prior to full grain maturity (black layer).

Back to 1999 Variety Data