Question

• 1. Give merits and demerits of fish culture.
• 2. Why bee keeping should be done in good pasturage?
• 3. Mention the percent protein content in milk, egg and fish.
• 4. A farmer was advised not to use a particular type of fertilizer for his crop after harvesting a crop of peas. Give one reason for such an advice. Name any two crops other than pea crop which might have shown the same result.

Answer 1

3. Protein content in:

• Cow milk - 3.2 to 3.3 grams /100 grams of food portion.
• Egg - 10.62 to 13.63 grams /100 grams of food portion.
• Fish – 18 .05 to 20.06 grams /100 grams of food portion.

4. Generally, nitrogen fertilizer is not required for pea grown on Black or Gray Wooded soils. Spring peas are legumes that can obtain a portion of the nitrogen (N) they require from the atmosphere. The fixing is done by Rhizobium leguminosarum bacteria that form nodules on the roots of spring peas.

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