Cold weather in winter, although beneficial to reduce the base number of pests and diseases, but also poses a threat to the safe winter wheat. To prevent freezing of wheat, the following measures are proposed.

Classified management, seedlings antifreeze. Wang Miao weak seedlings do not freeze, only strong seedlings only antifreeze. To ensure that the strong seedlings will be strong in the end, Wang Miao will be transferred from strong to strong and weak and strong. The Wangmai should be targeted to take measures such as rolling, chemical control, and deep-middle ploughing to control the turbidity of the aboveground and promote root growth and accumulation of nutrients in the underground. For late-seeding weak seedlings, insufficient accumulated temperature is the main factor affecting strong seedlings, and measures such as foliar spraying and cultivating tillage can be adopted to promote the early and long-lasting growth of wheat seedlings.

Seasonal winter pour, steady temperature antifreeze. Timely winter irrigation is an effective measure to prevent freezing and killing of wheat. The heat capacity of water is large, and when the temperature is lowered, the water will release latent heat, which can reduce the temperature variation of the ground and thus protect wheat. The average temperature dropped to about 5°C on that day. It was better to pour over winter water when it was “frozen and disappeared overnight”. The first field was poured by dry fields, and the other fields were poured. Finally, long field was poured. Late seeding weak seedlings, no drought, no irrigation. Should be selected in the sunny winter morning, watering the amount of the day to see the end of the appropriate, should not flood flood irrigation, pouring after the timely consolidation. The fertile wheat fields need to be topdressed with watering.

Earthworms cover feces and keep warm. The good tradition of cultivating crops can not be lost. "Mai eats lunar soil." Before winter wheat is frozen, all kinds of wheat fields must be ploughed or rolled to loosen the topsoil, make up for cracks, ram soil around the roots, prevent wind and prevent freezing. Advocate wheat fields, especially the late-seeding weak wheat cover winter "warm Miao Fei", "warm manure" 2 to 3 square. It can also be covered with wheat straw, covering 350-400 kg per mu.

It is strictly forbidden to keep green and keep green. Livestock and poultry are green or cut green, which is not conducive to photosynthesis and nutrient accumulation of wheat seedlings, and will reduce the cold resistance and antifreeze ability of wheat seedlings, making wheat more susceptible to freezing injury. It is necessary to strengthen supervision over wheat fields and resolutely put an end to the occurrence of animal bruising and ensure that wheat seedlings safely pass winter. Pay attention to the weather forecast and encounter severe cold wave and cool weather. Take precautions such as watering in advance to prevent freezing, oscillating the smoke array to avoid freezing, and watering the fertilizer after the occurrence of freezing injury, etc., to minimize the loss.

Amino Acid

Another important function of amino acids is to provide energy to the human body. Normally, a healthy body on a general diet will use carbohydrates as its main fuel, but when the main source is depleted due to strenuous exercise, protein and amino acids can be used as a last resort. Amino acids also play an important role in food taste. Protein doesn't have much taste, but each amino acid has its own taste, and combining them is one of the important factors that define the taste of food

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