cation is most important in determining this difference?7.What is difference between ESP and SAR? 8.How do soils become saline (or sodic). What features of soil and climate promote this? 9.How do plants respond to overcome the effects of saline soils? How does increased salinity in soil affect water uptake by the plant?10.Why do sodic soils have a degraded physical structure? Why does this not happen with soil dominated by Ca rather than Na?11.What soil amendment is used to remediate sodic soils? What is the mechanism behind why this works?Soil Genesis12.What are the factors of soil formation? Write an equation that shows the relationship between soil properties and the soil forming factors. Write equations for lithosequence,
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climosequence, toposequence, biosequence, and chronosequence, and explain what each equation means.13.Differentiate among residuum, eolium, alluvium, till, colluvium, and lacustrine materials withrespect to processes and properties of the resulting soil parent material.14.Contrast the properties of basalt and granite and explain why these rocks are different.
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