Beneficial insect and vertebrate habitates are other management strategies. Immediately start first cultivation after third pass with rotary hoe and cultivate two more times before plant canopy is formed. Solid-seeded soybeans should be mechanically harrowed on the 3 rd or 4 th day after planting and rotary hoed on the 7 th or 8 th day. This information has not been validated through research carried out by University of Illinois scientists , but this fact sheet has been prepared under the technical supervision of Emerson D. Nafziger and Dale Lattz, College of Agricultural, Consumer and Environmental Sciences, University of Illinois at Urbana-Champaign. Standing corn and nightshade weed must be eliminated from the field before harvest to prevent seed contamination.
Green weeds can also cause problems by coating the soybean seed with green stain.
Empty augers and make sure combine, truck beds, and wagons are clean and free of foreign material. Adjust combine according to operator's manual to prevent seed damage. Monitor platform height carefully, especially in fields that are planted in 30-inch rows, to avoid picking up soil which can lead to dirty beans and contamination problems. Drying Strategies . Level off bins to provide uniform grain temperature.