Promoting spring hair: The growth of rapeseed in autumn and winter is generally insufficient. Promoting spring hair is the key to the transformation of rapeseed seedlings this year, and it is also an important measure to prevent cold spring and late fattening. In general, in the beginning of March, 6-8 kg of urea per mu or 12-15 kg of ammonium sulfate can be applied. Fields with heavy seasonal drought in the upper reaches of the Yangtze River in the upper reaches of the Yangtze River should be repaired by rain or combined with hydration. For late-seeded fields, the application of manure fertilizer should pay attention to the balance of nitrogen, phosphorus and potassium, and prevent the partial application of nitrogen fertilizer to cause late lodging.

Anti-staining: There are many rains in the Yangtze River in spring. If the former is rice, the soil moisture will be higher. The high humidity in the field is not only not conducive to the growth and development of rapeseed roots, early premature aging and lodging, but also aggravate the occurrence and spread of diseases. On the basis of opening the "three ditch" before winter, clear the ditch in time after the spring, keep the "three ditch" unblocked, and ensure that there is no water in the rain stop.

Prevention of pests and diseases: During the wintering season in the rapeseed producing areas, there are many low-temperature rains and snows, and the plants are generally frozen and the ability to resist pests and diseases is reduced. The upper reaches of the Yangtze River are affected by the seasonal drought in winter and spring. The aphids occur more severely. The new high-fat film should be sprayed on the leaf during the flowering and flowering period to prevent and control, which can keep warm, moisturize, inhibit viral infection and enhance the effect of pesticides. Spraying targeted pesticides + vegetables and strong stems at the beginning of flowering period, promoting growth and fruiting, can make vegetable seedlings grow vigorously, stems are thick and strong, high yield and quality

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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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