Fig. 10. Relationship between P loss and event return period for Plot 3, with across-slope minimal tillage (•) and Plot 7, with up and down–slope standard cultivation (
) in the Woburn Erosion Reference Experiment
Fig. 10. Relationship between P loss and event return period for Plot 3, with across-slope minimal tillage (•) and Plot 7, with up and down–slope standard cultivation () in the Woburn Erosion Reference Experiment