Table 10: Corn yield and net return increases for seed-placed fertilizers at Ashton, 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	7.1^a	8.65^a	-14.22
25-0-0	broadcast	5.3^a	4.58^a	-18.29
25-64-0	broadcast	7.1^a	-0.98^a	-23.85
LSD(0.1)		10.2	22.87

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