बे बिगियाना हानि जोनोम जानाय आरो बेनि राननायजों सोमोन्दो दङ , जेराव हानि रोखोम , जिउ आरो बेनि बाहायजाथाव गुनफोरखौ बिजिरनायजों मिथियो ।
This science is related to the origin and distribution of soil which is known in the study of soil organization, life and mobility.