question_answer 110)

  Explain the importance of soil for plant growth.

Answer:

                  Soil is important for plant growth due to reasons given below (i) Soil provides anchorage to plants. It provides the base on which all the terrestrial and some aquatic plants grow. (iii) Soil is the reservoir of water and minerals, essential for all metabolic activities of a plant. (iii) The roots of a plant also take the oxygen required for respiration from the soil particles by the process of diffusion, (iv) Some plants, (e.g., leguminous plants) also forms symbiotic association with microbes presents in the soil to absorb mineral, like nitrogen.