Ohio State University Research/Extension Bulletin

Agronomic Crops Team On-Farm Research Projects 1997

Special Circular 160-98

APPENDIX

Soybean Inoculant Demonstration Plots

Objective

To investigate the potential benefits of the recently released USDA inoculant for soybeans.

Cooperator:	Larry Lotz
County of Site:	Fayette
Nearest Town:	Washington C.H.
Major Soil Type:	Crosby
Drainage:	Improved 60 foot
Irrigation:	No
Tillage:	Conventional-chisel plow
Previous Crop:	Corn
Soil Test:	pH 6.4 P 121 lbs./acre K 249 lbs./acre
Fertilizer:	0-69-90 (actual)
Herbicides:	Roundup
Variety:	Pioneer and Asgrow
Planting Date:	May 7
Harvest Date:	Oct. 3

Results

Treatment	Plot No.	Plant N	Yield/Ac.	Avg. Yield	Treatment Difference
USDA Inoculant	2	6.6%	62.50 bu.	61.54 bu.	2.1 bu/ac. in Favor of USDA Inoculated Plots
USDA Inoculant	4	6.6%	60.58 bu.
No Inoculant	1	6.8%	59.97 bu.	59.42 bu.
No Inoculant	3	6.6%	58.88 bu.

Plots were planted May 7, and each measured 50' x 400'.
R.R. soybeans were planted, sprayed twice with Roundup, one quart each treatment. Weed control was very good.
Infrared photo showed color difference in favor of innoculated plots.

Submitted by:
Larry Lotz
Ohio State University Extension - Fayette County
1415 US Rt. 22 SW, Suite 100
Washington Courthouse, OH 43160-9557
614-335-1150
lotz.1@osu.edu

Back | Forward | Table of Contents