Maize drill in action
Overwintered maize stubbles can be a serious trouble spot for soil erosion and nutrient leaching into watercourses. A popular method for sorting them out is to rip up the ground with a cultivator, allowing rain to pass though rather than run off the surface. This might reduce the soil erosion problem, but it doesn’t really help prevent nutrients going where they shouldn’t. As a result, undersowing these crops with some sort of grass or cover crop is becoming increasingly important. […]