Question
UPSC Prelims 2020 Question:
"The crop is subtropical in nature. A hard frost is injurious to it. It requires at least 210 frost -free days and 50 to 100 centimeters of rainfall for its growth. A light well -drained soil capable of retaining moisture is ideally suited for the cultivation of the crop." Which one of the following is that crop?
Answer (Detailed Solution Below)
Option 1: Cotton
Detailed Solution
Explanation:
- Cotton is grown in tropical and subtropical warm humid climate. Other factors affecting cotton crop include:
- Temperature: The ideal temperature ranges from 20 to 28 degrees Celsius annually. Bright sunshine and an even distribution of temperatures are preferred.
- Rainfall: Annual Rainfall of 50 to 100 cm is ideal for cotton. However, rainfall during harvest is harmful.
- Soil: Fertile saline soil with high water retention capacity is ideal. Loamy soil with high calcium carbonate is best suited for cotton cultivation.
- Other conditions: Cotton cultivation requires at least 180 frost-free days. At least 210 frost free days are desirable for cotton production.
Therefore, option (1) is the correct answer.
Subject: Geography | Agriculture and Allied Sectors
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