The purpose of this study is to determine the yield differences among tile
spaced in 15 ft., 30 ft., and 60 ft. widths at two different depths: 24 in. and 36 in.

This site received significantly less rainfall than average during June and July,
which muted some of the dramatic spacing differences we have observed in wet years.

7-Year Tile Spacing Yield Advantage (24 in. Depth)

6-Year Tile Spacing Yield Advantage (36 in. Depth)

2022 Southern Illinois Corn Water Management Study - Tile Spacing & Depth

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