Answer the following questions in 20 words
1. Which soil is best for growing cotton? Why
2. Spinning of fibres increases the strength of
yarn. How?
3. Give three uses each of cotton and jute fibres.
4. When are cotton bolls plucked?
5. What is the basic difference betweenhandloom and powerloom?
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Answers
Answer:
sandy loam soils
Cotton plants tend to do well in deep, well-drained, and highly fertile sandy loam soils with a pH between 5.5 and 7.5—cotton plants are vulnerable to the aluminum concentration often found in soils with a pH below that range.
Answer:
1. Sandy loam soils are best for growing cotton because Cotton plants tend to do well in deep, well-drained, and highly fertile sandy loam soils
2. These bonds produce strong inter-chain forces in the fiber, which increase its tensile strength. The polymer chains within the fibers also have a large degree of orientation, which increases strength.
3. Jute is the second most important vegetable fiber after cotton due to its versatility. Jute is used chiefly to make cloth for wrapping bales of raw cotton, and to make sacks and coarse cloth. The fibers are also woven into curtains, chair coverings, carpets, area rugs, hessian cloth, and backing for linoleum.
4. Cotton balls are plucked when they are completely mature . The plucking time may vary from country to country but in India it is sown around may or june and harvested around September to December.
5. Handlooms are manually operated looms used for weaving in which picking and beating is done manually by human hands, whereas powerlooms are mechanized looms driven by stem engines or electric power in which shedding, picking and beating are done automatically rather than manually.
Explanation:
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