Why is organic matter important for crop production?

Distinguish between intercropping and mixed cropping. List any two advantages of intercropping over mixed cropping.

Sidak,when visiting a supermarket,was surprised to see yellow,green,and red-coloured capsicum available in the stalls. It was a drastic change in the quality and quantity of capsicum.
$(a)$ What is this change due to?
$(b)$ How are such crops produced?

$(i)$ State three ways by which pests attack plants.
$(ii)$ Name the chemicals used to control pests.
$(iii)$ Explain why excessive use of such chemicals should be avoided.

Define $(i)$ Vermicompost,$(ii)$ Green manure,and $(iii)$ Biofertilizer.

The value and quality of honey depend upon the pasturage,or the flowers available to the bees for nectar and pollen collection.