Low temperature damage will seriously affect the growth of crops. One will cause damage to the plant tissue, especially small seedlings or seedlings susceptible to freezing and death; two will lead to excessive humidity in the field, the soil freezes, damage the soil aggregate structure, leading to deterioration of physical properties. In response to crop cold damage, water and fertilizer management should be strengthened and fertilization techniques should be reasonably applied. The first is to improve soil physical properties and prevent waterlogging. Clean up the ditch in time, repair the fields, repair and reinforce the field infrastructure, ensure the smooth drainage, and adjust the humidity in the field. After the temperature rises steadily, the cultivator loosens the soil in time and roots the soil to improve soil physical properties. The second is the rational use of chemical fertilizers. For freeze-damaged crops, new technologies such as the use of potassium dihydrogen phosphate in supernormal quantities, spraying of “Tianda 2116†plant growth nutrient solution and spraying of organic water-soluble fertilizers to promote photosynthesis, protection against freezing and freezing, and restoration of growth basis. According to the growth of crops, fertilizer-free plots should be topdressed with available nitrogen fertilizer as soon as possible, and appropriate quantities of phosphorus and potassium fertilizers should be supplemented. Crops such as rapeseed, vegetables, and fruit trees should also be given attention to spraying trace element fertilizers to prompt the crops to resume growth as soon as possible. The third is to increase organic fertilizer and improve soil fertility. Using straw mulching, field planting of ash or chaff, warming and seedling protection measures were adopted to increase high-temperature composting of livestock and poultry manure, decomposed compost of straw, biogas slurry, and other high-quality organic fertilizers. Green manure was cultivated in the idle land after the disaster to increase soil organic matter and improve soil organic matter. Soil water, fertilizer, gas and heat conditions. The fourth is to strengthen the coupling of water and fertilizer. According to crop growth and soil moisture conditions, reasonable irrigation, ensure the supply of water and fertilizer in the field. Olaparib Intermediate,Olaparib Api,Olaparib Cas 763113-22-0,Olaparib Intermediates Shandong Bolode Bio-technology Co., Ltd. , https://www.bldpharma.com
Four measures to deal with crop freeze injury