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.

It makes sense to scrutinize the financial returns of precision ag technology costs, says Matt Darr, an Iowa State University ag engineer. But Darr says farmers continually remind him about the intangible benefits of using these tools that in many cases are just as important as dollars-and-cents justification.

Destructive trails left by a shank and knife anhydrous applicator are fodder for no-tiller nightmares. But new low-disturbance applicators mean no-tillers can slip the cost-effective nitrogen source into the ground and leave barely a mark.