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Southeast WI | Same strips every year to gauge the cumulative effect over time on these two fields.
I've been involved with other multi site studies (SARE projects with myself and other growers) headed up with Dr Jim Stute that look at the value of adaptive management and weed suppression. We know yield response alone won't pay but as you said above weed suppression and erosion control - my observations - makes rye covers a solid win. Here at least in our area we can't let covers grow anywhere close to anthesis on corn or beans or it will trim yield of the cash crop significantly most years.
This is what several years of data has shown below. First 2 years we did no rye, rye killed before plant then rye killed at anthesis. Next two years we did systematic termination basically every week till anthesis to gauge yield response. I do not have 2024 data yet.
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sj3788 - real world data on covers you asked about earlier
