No-tillers wanting to get a better handle on how efficiently they’re using nitrogen on corn acres should consider late-season corn-stalk nitrate sampling programs, including one offered by the Iowa Soybean Association On-Farm Network.

It might be more correct to call this article, “What I’m Still Learning From No-Tilling.” Over nearly 30 years, my farming operation has shifted from customary fall-spring tillage, through a period of detailed research and onfarm studies and finally, 11 years ago, to adoption of continuous no-till.