On-farm yields have stagnated and poorly performing areas of fields are dragging averages down, effectively increasing the cost of producing a tonne of wheat. That is the view of Lewis McKerrow, head of precision farming at Agrovista, who believes precision farming can help target these underperforming parts of fields. “There is a gap between potential yields in a field and what is being seen. The challenge is to bridge this gap.” A good illustration is the difference between the headland […]