The main objective of the 'National Mission on Sustainable Agriculture' is: MCQ with Answer and Explanation

Explanation:
Contour bunding involves constructing embankments along the contour lines to reduce runoff and soil erosion, and to conserve moisture in dryland farming.

Explanation:
The Soil Health Card scheme provides farmers with a card showing the nutrient status of their soil, along with recommendations on fertilizer application to improve productivity.

Explanation:
Tea is a cash crop grown on plantations. Rice, wheat, and maize are food grains (though maize can be feed).