Table 3.

Multiple comparison test of LSmean yields (Mg ha⁻¹) comparing foliar-applied micronutrient treatment effects applied at different rates and growth stages with the control using Dunnett’s Test.

Foliar Micronutrient Treatment Locations
2014					2015
Treatments	Boron	Manganese	Zinc Only	Fe & Zn	Fe Only
Control	14.91(0.20) †	7.90(0.38)	13.70(0.20)	12.70(0.28)	14.22(0.68)
T1R1 ‡	14.56	8.83 +	13.55	12.57	14.69
T1R2	14.71	7.17	13.49	12.69	16.29 *
T2R1	14.68	9.42 **	13.21+	12.54	14.61
T2R2	14.62	7.90	13.41	12.37	15.64
T1R1 and T2R1	15.00	8.66	13.08 **	11.63 +	16.24 *
T3R1	14.37 +	8.03	13.49	12.69	16.06 +
T3R2	14.68	7.90	13.26 +	12.26	16.14 *
T2R1 and T3R1	14.54	8.72	13.30	-	15.46
T4R1	-	-	-	13.48 +	-
T4R2	-	-	-	12.71	-
T1R1 and T4R1	-	-	-	12.86	-
T3R1 and T4R1	-	-	-	12.47	-

† Least square mean yield (Mg ha⁻¹) followed by (SE for all values in the same column) and by significant F test: Not Significant >0.10; + >0.05; * >0.01; ** >0.001; *** <0.001. ‡ T = Time of foliar application (1: early (V6–11), 2: middle (V15–18), 3: 4: late (R1–4)), R = Treatment rate (rate 1: lower level of industry recommendation & rate 2: upper level of industry recommendation).