Table 4: Corn yield and net return increases for 2X2-banded fertilizers at Ashton, 1993-95

Illinois Fertilizer Conference Proceedings
January 29-31, 1996

Main Index 1996 Index Search

Starter	Average Yield Increase	Avg. Net Return Increase Above Fertilizer Cost^1,2	"Worst-Case" Scenario Net Return Increase³
lb/ac	bu/ac	$/ac	$/ac
0-0-0	0.0^c	0.00^c	0.00
25-0-0	8.5^b	11.68^a,b	2.12
25-30-0	15.8^a	19.24^a	9.68
25-30-20	15.1^a	3.93^b,c	-5.63
LSD(0.1)	4.3	9.56

¹Numbers in columns with the same superscript letter are not significantly different (a = 0.10)

²Net return = yield increase X $2.25/bu - starter fertilizer cost.

³Net returns are at least this amount 90% of the time