1, smoke method. This is a simple, safe and convenient method. When frost damage occurs in the mulberry garden (usually in the early evening), heavy smoke is generated after the damp grass piled up in the wind is lit and the entire mulberry field is covered to achieve the purpose of frost protection.
2, irrigation method. Sprinkler irrigation has the best anti-frost effect in the evening; furrow irrigation is performed before the advent of the cold current, which can make the surface temperature not change, the water vapor in the air increases, the condensation radiates, and the temperature in the anti-mulberry garden continues to decline, and is protected from frost damage.
Conventional measures
1, choose to plant frost-resistant mulberry varieties.
2. Strengthen fertilizer and water management, often use organic fertilizer and potash fertilizer to improve the cold resistance of Sang new shoots.
3. Do a good job of pruning pruning in the mulberry field, and cut a part of the mulberry tip.
4. Strengthen the mulberry garden winter pest control work to protect winter buds.
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