Table 11: 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	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	6.5^a	7.31^a	-15.79
25-0-0	broadcast	2.0^a	-2.88^a	-25.98
25-64-0	broadcast	3.8^a	-8.56^a	-31.66
LSD(0.1)		10.3	23.10

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