‘Pedology’ is the study of _____.

Which one of the following with regard to Aridisol, one of the soil orders, is not correct?

Match List I (Nutrient Element) with List II (Source in Soil) and select the correct answer using the codes given below the lists:

List I List II
(A) Calcium             ($1$) Alkaline
(B) Nitrogen            ($2$) Dolomite
(C) Phosphorus      ($3$) Feldspar
(D) Potassium        ($4$) Organics