Cover crops not enough to improve soil after decades of continuous corn

Although about 20% of Illinois cropping systems are planted to continuous corn, it’s nearly impossible to find fields planted this way for decades at a time. Yet long-term experiments, including over 40 years of continuous corn under different nitrogen fertilizer rates, provide incredible learning opportunities and soil management lessons for researchers and farmers alike.Although about 20% of Illinois cropping systems are planted to continuous corn, it’s nearly impossible to find fields planted this way for decades at a time. Yet long-term experiments, including over 40 years of continuous corn under different nitrogen fertilizer rates, provide incredible learning opportunities and soil management lessons for researchers and farmers alike.Read More