Explanation:
SRI is a method that uses young seedlings, wider spacing, and alternate wetting and drying, resulting in higher yields and less water use compared to conventional paddy.
Explanation:
The first high-yielding variety of wheat introduced in India was 'Lerma Rojo' in 1963, followed by 'Sonora 64'. Kalyan Sona and Sonalika were developed later.
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