Which one of the following is a micronutrient for the crop plants?

A group of eco-club students made a compost pit in the school. They collected all biodegradable waste from the school canteen and used it to prepare the compost.

(i) Name two wastes that can be used for compost and two wastes that cannot be used for compost.

(ii) What values of eco-club students are reflected this act?

Rakeh visited a fish farm and saw that a combination of five or six species of fishes is present in the single pond.

(i) Name the type of farming observed by Rakesh.

(ii) Mention the advantage of using such farming.

(iii) What are the values shown by Rakesh?

Pusalerma is an improved variety of

Growing two or more crops in definite row pattern is