Table 1. Average usage of 2,4-D, atrazine, and glyphosate among U.S. corn (2016 and 2021) and soybean (2012 and 2018) producers.

Crop	Herbicide	Year	Average Percent of Crop Treated (%)	Average Single Application Rate (lbs ai/acre)	Average Annual Applications per Acre
Corn	atrazine	2016 (n = 1,995)	61.8	0.93	0.75
		2021 (n = 968)	64.7	0.88	0.84
	glyphosate	2016 (n = 1,995)	77.4	0.93	1.02
		2021 (n = 968)	76.5	1.00	1.00
Soy	glyphosate	2012 (n = 1,791)	95.0	0.96	1.61
		2018 (n = 2,260)	81.4	0.91	1.30
	2,4-D	2012 (n = 1,791)	15.0	0.54	0.15
		2018 (n = 2,260)	19.2	0.52	0.22