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Mixed cropping is done to reduce the ………...

Mixed cropping is done to reduce the ………….. Between component crops for ………….., nutrients and water.

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Competition, light;
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Given below are statements about the harmful effects of weeds on crop plants. (i) They interfere in harvesting. (ii) They help crop plants to grow healthily. (iii) They compete with crop plants for water, nutrients, space and light. (iv) They affect plant growth. Choose the correct combination of statements.

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LAKHMIR SINGH & MANJIT KAUR-IMPROVEMENTS IN FOOD RESOURCES -VERY SHORT ANSWER QUESTIONS
  1. Mixed cropping is done to reduce the ………….. Between component crops fo...

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  2. Mention the crop whose production has increased by blue revolution and...

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  3. What are plant nutrients ?

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  4. Name the three most important mineral elements required for plant grow...

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  5. What are the micronutrients required by the plants ?

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  6. Name any two macronutrients required by plants.

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  7. Which one is nutrient specific-fertilizer or manure ?

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  8. Which is the oldest method of crop improvement ?

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  9. Name one common disease of paddy.

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  10. Give an example of biological weed control.

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  11. Give one example of natural insecticide.

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  12. What are weeds ?

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  13. Write down two harmful effects of biotic factors on food grains.

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  14. What percent of moisture should be present in the food grains at the t...

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  15. Give one example of solid and one of liquid fumigant.

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  16. Which method is most effective for destroying insects in stored grains...

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  17. How the food grains should be dried on commerical basis ?

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  18. What is feed ?

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  19. Name one (a) Leguminous green fodder, (b) Non-green dry fodder.

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  20. Name one high yielding breed of cow and one of buffalo respectively.

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  21. What are fat content in milk of: (a) Murrah, (b) Surti ?

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