फेरस अमोनियम सल्फेट का निर्माण कर जाँच के लिए प्रस्तुत करें।

फेरस अमोनियम सल्फेट का निर

1.	फेरस अमोनियम सल्फेट का निर्माण कर जाँच के लिए प्रस्तुत करें।
Answer» The layer of soil which is just below the top-soil is CALLED B-horizon. It is also known as sub-soil. The sub-soil is made up of SLIGHTLY bigger rock particles than that of top-soil. ... The sub-soil has very LITTLE humus (decayed organic MATTER).