What is the cold orange warning level?

The cold orange warning is the third level.

The frost orange warning signal is a warning signal issued by the meteorological department before the arrival of frost through meteorological monitoring. It reminds the people to avoid frost and industrial and commercial enterprises to minimize the losses caused by frost. The frost orange warning signal is a frost warning signal. The highest level in the signal.

The lowest temperature on the ground will drop below minus 5℃ within 24 hours, which will have a serious impact on agriculture, or it has already dropped below minus 5℃, which will have a serious impact on agricultural production and will continue to do so, the State Council Meteorology Department said. The competent agencies are responsible for the management of the issuance, cancellation and dissemination of frost warning signals nationwide, and local meteorological authorities at all levels are responsible for the management of the issuance, cancellation and dissemination of high temperature warning signals within their respective administrative regions.

Defense Guide

Before low-temperature freeze damage occurs, you should spread mulch in time and build a small shed for insulation; pay attention to the weather forecast and spray antifreeze on the leaves before low-temperature freeze damage occurs. The formula is every 15 Add 50 grams each of brown sugar, Green Wind 95, urea, and potassium dihydrogen phosphate to 1 kilogram of water. Stir evenly and spray on the back of the vegetable leaves. Spray once every 5 to 7 days. If the north wind blows during the day, it is a precursor to frost at night. , wet straw and firewood can be piled next to the vegetable field to make a fire and smoke to reduce the degree of frost.

Before the occurrence of low-temperature freeze damage, soil should be cultivated in combination with cultivating. The depth of the soil should be 5 to 10 centimeters. This can not only loosen the soil, but also increase the soil temperature and protect the roots. In the afternoon before the onset of low-temperature freeze damage, use 100 to 100 grams per acre. 150 kilograms of straw or wheat straw can be evenly covered on the vegetable plots and vegetables to reduce freezing damage. You can also use mulch film to lightly cover vegetables to prevent late frost damage, or use straw fires around the field to smoke or spray plant cold-resistant agents before cooling and frost damage are imminent.