Table 2.

Dates of field operations and soybean developmental stages at each location (Fayetteville, AR; Lexington, KY; and St. Paul, MN) and growing season, for early and full-season soybean cultivar maturity groups (MG) within each location.

Activity and crop developmental stage	2019 growing season			2020 growing season
	AR	KY	MN	AR	KY	MN
Cover crop sowing¥	10/24/2018	10/18/2018	4/24/2019	10/28/2019	10/25/2019	10/8/2019
Cover crop termination	5/14/2019	4/29/2019	6/6/2019	4/30/2020	5/11/2020	5/26/2020
Soybean sowing	6/10/2019	6/4/2019	6/6/2019	6/2/2020	5/27/2020	5/26/2020
Inoculant (early MG)	7/24/2019	7/23/2019	8/5/2019	7/16/2020	7/20/2020	7/27/2020
Inoculant (full-season MG)	8/2/2019	7/30/2019	8/5/2019	7/28/2020	7/27/2020	8/3/2020
First dose N (early MG)	8/5/2019	8/6/2019	8/15/2019	7/28/2020	7/27/2020	8/5/2020
First dose N (full-season MG)	8/19/2019	8/14/2019	8/15/2019	8/10/2020	8/10/2020	8/5/2020
Second dose N (early MG)	8/19/2019	8/20/2019	8/29/2019	8/10/2020	8/10/2020	8/19/2020
Second dose N (full-season MG)	9/4/2019	8/28/2019	8/29/2019	8/25/2020	8/25/2020	8/19/2020
R3 date (early MG)	7/24/2019	7/22/2019	7/31/2019	7/15/2020	7/18/2020	7/20/2020
R3 date (full-season MG)	8/2/2019	7/30/2019	8/2/2019	7/27/2020	7/25/2020	7/23/2020
R5 date (early MG)	8/5/2019	8/5/2019	8/12/2019	7/31/2020	7/25/2020	8/4/2020
R5 date (full-season MG)	8/18/2019	8/12/2019	8/14/2019	8/12/2020	8/10/2020	8/9/2020
R6 date (early MG)	8/22/2019	8/20/2019	9/3/2019	8/18/2020	8/25/2020	8/24/2020
R6 date (full-season MG)	9/9/2019	9/9/2019	9/9/2019	9/5/2020	9/7/2020	9/1/2020
R7 date (early MG)	9/9/2019	9/9/2019	9/24/2019	9/5/2020	9/4/2020	9/20/2020
R7 date (full-season MG)	9/28/2019	9/24/2019	10/6/2019	9/24/2020	9/25/2020	9/24/2020

^¥ Rye was used as a cover crop in AR and KY, while oat in 2019 and a mixture of oat and wheat in 2020 were used in MN.