Table 12: Corn yield and net return increases for seed-placed fertilizers at Oblong, 1995

Illinois Fertilizer Conference Proceedings
January 29-31, 1996

Main Index 1996 Index Search

Starter	Application Method	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	none	0.0^a	0.00^a	0.00
25-0-0	dribble	10.2^a	15.58^a	-5.11
25-0-0	broadcast	6.7^b	7.71^a	-12.98
25-64-0	broadcast	11.8^a	9.50^a	-11.19
LSD(0.1)		9.2	20.69

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