Farmers can lose up to $32,000 per 1,000 acres of soybeans from rotor issues. The industry sets a 3% standard for combine loss, yet many farmers go beyond this limit because their combine concaves aren’t managed properly. You’ll notice significant losses when you spot 6 kernels of corn or 12 soybeans per square foot – this needs quick action. Time spent on concave maintenance brings e... https://johndeereconcave.wordpress.com/2025/04/16/warning-signs-your-combine-concaves-are-destroying-your-grain-quality/