Write the key features of organic farming.

Explanation

(i) The soil quality is protected by using organic materials and encouraging biological activity.
(ii) Indirect provision of plant nutrients using soil microorganisms.
(iii) Using leguminous plants nitrogen fixation is carried out in the soil.
(iv) Weed and pest control are carried out based on methods like crop rotation, biological diversity, natural predators, organic manures and suitable chemicals, thermal and biological interventions.