Chapter 12 Improvement of Food Resources Questions-02
Questions
1. How do biotic and abiotic factors affect crop production?
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Answer
Factors which affect crop production are:
Biotic factors which cause loss of grains are rodents, pests, insects, etc. and abiotic factors, such as temperature, humidity, moisture, etc.
Affects of both biotic and abiotic factors on crop production are in the following ways:
Weight loss
Infestation of insects
Poor germination ability
Discoloration
2. What are the desirable agronomic characteristics for crop improvements?
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Answer
Desirable agronomic characteristics are:
Desirable characters for fodder crops are tallness and profuse branching And
Dwarfness is desired in cereals, so that fewer nutrients are consumed by these crops.
