Herbicide	Application timing	Rate	Giant ragweed^a,b,c			Soybean Yield^a,b,c
Herbicide	Application timing	Rate	Density	Biomass	WCE	2012	2013
		g∙ae or ai∙ha⁻¹	No. m⁻²	G∙m⁻²	%	^_______Kg∙ha^−1_______
Nontreated Control^d	-	-	28 a	673 a	-	0	0
Glyphosate fb Glyphosate	Burndown POST	870 870	22 ab	326 b	44 b	0	0
2,4-D Amine fb Glyphosate	Burndown POST	560 870	6 cd	100 cd	92 a	1227 ab	3407 a
2,4-D Amine + Glyphosate fb Saflufenacil + Imazethapyr	Burndown PRE	560 + 870 95	0 d	0 d	100 a	1698 a	3635 a
Saflufenacil + Imazethapyr + Glyphosate	Burndown	95 + 870	15 b	361 b	72 ab	0	1854 bc
2,4-D Amine + Glyphosate fb S-metolachlor + Metribuzin	Burndown PRE	560 + 870 2050	1 cd	13 cd	99 a	1379 ab	3473 a
S-metolachlor + Metribuzin + Glyphosate	Burndown	2050 + 870	26 a	496 a	41 b	0	0
2,4-D Amine + Glyphosate fb Sulfentrazone + Cloransulam	Burndown PRE	560 + 870 294	0 d	12 cd	97 a	1177 ab	3823 a
Sulfentrazone + Cloransulam + Glyphosate	Burndown	294 + 870	20 ab	459 a	52 b	0	577 c
2,4-D Amine + Glyphosate fb Cloransulam + Acetochlor	Burndown POST	560 + 870 17.7 + 1600	6 cd	113 bcd	85 ab	1211 ab	2875 ab
2,4-D Amine + Glyphosate fb Chlorimuron + Acetochlor	Burndown POST	560 + 870 5.8 + 1600	7 bc	202 b	84 ab	488 b	3153 ab
2,4-D Amine + Glyphosate fb Imazethapyr + Acetochlor	Burndown POST	560 + 870 70 + 1600	3 cd	65 cd	89 ab	1211 ab	2877 ab
2,4-D Amine + Glyphosate fb Lactofen + Acetochlor	Burndown POST	560 + 870 220 + 1,600	7 bc	184 bc	75 ab	1496 a	2598 ab
2,4-D Amine + Glyphosate fb Fomesafen + Acetochlor	Burndown POST	560 + 870 264 + 1600	4 cd	103 cd	84 ab	1261 ab	2519 ab
P-value			<0.0001	<0.0001	0.0005	0.0131	<0.0001