Which is NOT a component of humus?

এই অধ্যায়ের আরও প্রশ্ন

• C-08-Q012According to Fig. 8.01, percentage of inorganic substance in soil is —
• C-08-Q013Percentage of water in normal soil composition is —
• C-08-Q014Percentage of organic substance in soil composition is —
• C-08-Q015Percentage of gaseous substances in soil is —
• C-08-Q016Water in soil is mainly present in —
• C-08-Q017The water retaining capacity of soil depends on —
• C-08-Q018Between sand and clay, which retains more water?
• C-08-Q019Why does clay retain more water than sand?
• C-08-Q020Sandy soil has higher drainage because —