The weather forecast says it will snow. What about my vegetables?

Alcohol can be used for first aid. Flammable, high heat and pollution-free. A good way to practice for many years. You can use alcohol and put it in a paper cup, which is convenient and quick. Conditional use of gas, biogas, geothermal, heating, etc. In addition, multilayer covers (quilts, straw mats, etc. ), multi-layer film cover (middle shed and middle shed cover small shed), and snow-proof cloth is covered outside the shed to strengthen heat preservation. Crops can be sprayed with potassium dihydrogen phosphate or Cui Kang Sheng solution, and also can be sprayed with Bihu or brassin to enhance the low temperature resistance of crops.