Organic farming includes
$I.$ use of biofertilisers and biopesticides
$II.$ crop rotation
$III.$ locally developed pest resistant varieties
Choose the correct option
$I$ and $II$
$I$ and $III$
$II$ and $III$
$I, II$ and $III$
Root nodules for nitrogen fixation of a non-leguminous tree possess
Azolla possesses symbiotic association with
Consider the following statements about organic farming
$I.$ Organic farming promotes the use of crop rotations and cover crops and encourages balanced host/predator relationships
$II.$ Integrated pest and weed management and soil conservation systems are valuable tools on an organic farm
$III.$ Organic farming protects the environment, minimize soil degradation and erosion and decrease pollution
Which of the statements given above are correct?
Definitions / Explanation : Biofertiliser
The chemical fertilizer required for better rhizobial nitrogen fixation is