question_answer

  A farmer grows guar prior to sowing of crop seeds. Explain the reason behind this.

Answer:

                  This farmer is using green manure for maintaining the nutrients and fertility of the field. In this method, guar are grown prior to the sowing of crop seeds and then mulched by ploughing them into the soil.                        (1)              The green plants thus turn into green manure, which helps in enriching the soil in nitrogen and phosphorus.                                                          (1)