A general rule of thumb is when you switch corn from to to notill for the first seven years yields will be worse, but in the eighth year and after they are better.
A general rule of thumb is when you switch corn from to to notill for the first seven years yields will be worse, but in the eighth year and after they are better.
I have a really hard time believing someone can keep all other variables constant for 8 years to definitively say that yields will be better because of switching to no-till, rather than any other multitude of factors.
Universities study this. They study the common corn/soybean rotation. I have no idea how they control variables - likely by having many farmers report their results and using stastics