Question

Which element is missing from Black soil? (1)​

Answer 1

elements found in black soil are; Iron. Aluminium. magnesium.

Answer 2

$\text{\underline\green{Chemically, the black soils are rich \: \: }} \\ \text{\underline\green{in \red{\underline{lime, iron, magnesia and alumina}}.}} \\ \text{\underline\green{They also contain potash. But they \: }} \\ \text{\underline\green{lack \: in \: phosphorous, \: nitrogen \: and }} \\ \text{\underline\green{organic matter. \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \:}}$