After entering the winter, the temperature in most parts of China is gradually lower, accompanied by strong winds, rain, snow and frozen weather. At this time, greenhouse vegetables, flowers, fruit trees and wintering crops should strengthen field management and do a good job of heat preservation, antifreeze and disaster reduction.
According to the forecast of the Central Meteorological Observatory, in the next 10 days (December 26, 2011 - January 4, 2012), there are more rainy and snowy weather in the eastern part of the Southwest, and the precipitation is generally 2-10 mm, including those in the Sichuan Basin and Guizhou. There are 10-20 mm in some areas; most of the rest of the country have less rain and snow, and the cumulative precipitation is generally less than 5 mm. Temperatures in the Qinghai-Tibet Plateau and Yunnan are 1-2°C higher than normal. The temperature in most other parts of the country is basically the same as normal.
Experts advise that when the temperature drops below zero, there may be disasters such as freezing or severe freezing. The following antifreeze and cold resistance measures should be taken.
1. Do a good job in antifreeze and warmth. Greenhouse vegetables, strawberries, flowers cultivation, pay special attention to the cold and anti-freeze work, timely spraying new high-fat film insulation and anti-freeze; the film should be tightly sealed, pay attention to prevent the wind from being scratched, can be covered with straw at night; conditional, A small shed can be built in the shed, and double-layer insulation protection. Coastal areas should also guard against the danger of northerly winds.
2. Strengthen field management of winter crops. It is necessary to grasp the fine weather and do a good job of clearing drainage and checking the shortage of rapeseed, large wheat and winter vegetables. If it has not been trenched, it is necessary to open the ditch and channel in time, and the ditch and channel are matched to ensure that the rain stops and the water is drained, and the accumulated water in the field is removed in time to avoid the hazard of wetness. At the same time, it is necessary to look at the fertilization of the seedlings, make full use of the light and heat conditions before the winter, cultivate strong seedlings, and ensure that enough acres of seedlings are reached before the year.
3. Tea, mulberry, orchard should do a good job in management. Attention should be paid to cutting off pests and diseases, weeding, winter ploughing, fertilizing, and covering the soil; spraying the generals to protect the trees, doing a good job in clearing the garden, and laying grass on the ground in the courtyard to help prevent frost damage.
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