Development Of Extreme Resistance ( Immunity ) To Common Scab Disease Within Current Commercial Cultivars1 January 2002Soil acidity has an effect beyond the paddock Acid Soil Action Leaflet No 81 January 2002 Optimum soil pH for crop plants 1 January 2002 Project Code TL00029 Home / Optimum soil pH for crop plantsProject overviewRelated PostsFact sheetOptimum soil pH for crop plants Share