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 Lobster Click FF Click FG Click SF