Table 8: Corn yield and net return increases for seed-placed fertilizers at Gridley, 1994-95

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^a	0.00^a	0.00
5-17-0	1.6^a	-2.85^a	-26.06
10-34-0	-1.2^a	-15.77^a	-38.98
5-10-5	6.6^a	-2.45^a	-25.66
10-20-10	7.4^a	-17.87^a	-41.08
LSD(0.1)	10.3	23.21

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