Should the gravel content of soils impact on your input management decisions?

To determine whether adjustments need to be made to a range of decision support systems (DSSs) to quantitatively account for the effect of gravel on inputs such as fertilisers, lime, pesticides and herbicides.本研究旨在确定是否需对一系列决策支持系统（Decision Support Systems，DSSs）进行调整，以定量评估砾石对肥料、石灰、农药及除草剂等农业投入物的影响。