What if you could decrease your nitrogen (N) and potassium (K) applications — anywhere from 30-70% — while increasing yields and crop health? That’s what John Kempf found from managing nutrition properly on many of the farms he works with, thanks to plant sap analysis.

It’s been 50 years since No-Till Farmer launched, and a lot has influenced the practice in those five decades. From equipment and chemical innovations to government influence to cover crops and the soil health movement, many factors have impacted no-till — both good and bad.