Dear Student Humus is a dark coloured organic matter formed from the decayed plant and animal material by the action of decomposers. It is found in the top layer of soil and is rich in nutrients. Regards
Answer the following: [5 MARKS]
1) Why does topsoil have much more humus than subsoil?
2) What is the importance of humus to the soil?
How does humus decide the soil structure?