Q35 of 49 Page 89

In agricultural practices, higher input gives higher yield. Discuss how?

In agricultural practices, higher input gives higher yield. This means higher money input to raise the yield. Financial conditions of the farmers allows them to take up different farming practices and technologies. The farmer’s purchasing capacity for input decides cropping system and production practices.


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33

Arrange these statements in correct sequence of preparation of green manure.

(a) Green plants are decomposed in soil.


(b) Green plants are cultivated for preparing manure or crop plant parts are used.


(c) Plants are ploughed and mixed into the soil.


(d) After decomposition it becomes green manure.

 34

An Italian bee variety A. mellifera has been introduced in India for honey production. Write about its merits over other varieties.

 36

Discuss the role of hybridisation in crop improvement.

 37

Define

(i) Vermi compost


(ii) Bio fertilizer


(iii) Green manure