. 2019 Dec 27;9:19908. doi: 10.1038/s41598-019-56465-0

Table 2.

Location (State, latitude (Lat.), and longitude (Long.)), soil characteristics (soil type, pH (1:2.5), available phosphorus (P), and soil organic matter (SOM) at 0–20 cm soil depth), and crop management (variety, maturity group, seeding rate, row spacing, previous crop, and tillage system) in 11 soybean environments (Env.).

Env.	Location			Soil characteristics				Crop management
Env.	State^§	Lat.	Long.	Soil type	pH	P (mg kg⁻¹)	SOM (g kg⁻¹)	Variety	Maturity group	Planting date	Seeding rate (seeds ha⁻¹)	Row spacing (m)	Previous crop	Tillage system
IN1	IN	40.4965	−86.9995	Typic Endoaquoll	6.4	34.6	34	AG24X7	2	24-May	345,800	0.38	corn	conventional
IN2	IN	40.4965	−86.9995	Typic Endoaquoll	6.4	34.6	34	AG34X6	3	24-May	345,800	0.38	corn	conventional
IN3	IN	41.4481	−86.9416	Typic Argiaquoll	6.2	31.8	37	AG24X7	2	25-May	345,800	0.38	corn	conventional
IN4	IN	41.4481	−86.9416	Typic Argiaquoll	6.2	31.8	37	AG34X6	3	25-May	345,800	0.38	corn	conventional
KS1	KS	39.1369	−96.6185	Fluventic Hapludoll	6.1	52.6	22	AG30X8	3	27-Apr	444,600	0.76	soybean	conventional
KS2	KS	39.1369	−96.6185	Fluventic Hapludoll	6.1	52.6	22	AG45X6	4	27-Apr	444,600	0.76	soybean	conventional
KS3	KS	38.538	−95.2401	Abruptic Argiaquoll	6.1	13.7	40	AG30X8	3	10-May	370,500	0.76	corn	no-till
KS4	KS	38.538	−95.2401	Abruptic Argiaquoll	6.1	13.7	40	AG45X6	4	10-May	370,500	0.76	corn	no-till
MN	MN	44.9942	−93.1731	Typic Hapludoll	6.2	16.4	36	AG14X7	1	11-May	346,000	0.76	corn	conventional
SD1	SD	44.3472	−96.7714	Aeric Calciaquoll	6.9	32.3	47	AG24X7	2	18-May	346,000	0.76	corn	conventional
SD2	SD	44.3472	−96.7714	Aeric Calciaquoll	6.9	32.3	47	AG11X8	1	18-May	346,000	0.76	corn	conventional

^§IN, Indiana; KS, Kansas; MN, Minnesota; SD, South Dakota.