Aerobic microorganisms in soil need —

এই অধ্যায়ের আরও প্রশ্ন

• C-08-Q030Oxygen in soil chemically helps to —
• C-08-Q031Soil is divided into how many horizontal layers?
• C-08-Q032Each horizontal layer of soil is called —
• C-08-Q033The topmost layer of soil is known as —
• C-08-Q034Top Soil is another name for —
• C-08-Q035Biodegradation of dead plants and animals starts in —
• C-08-Q036The soil in Horizon A is usually —
• C-08-Q037Sub Soil refers to —
• C-08-Q038Horizon B is full of —
• C-08-Q039Soft rocks formed first from the hard parent rocks are present in —