Deficiency Symptoms In the new leaves, interveinal chlorosis is seen. The leaf becomes reticulated. Conditions Affecting Mn Availability High soil pH Limed soil Light sandy soil Soil low in K Soil high in Ca, Cu, Fe, and Zn Cold wet period Soil with low Mn evolved from parent material High organic soils Our Products Recommended Frionic Mn Sequest combi / Pro Lobster ++ Click FF Click FG Click SF