The better rain this spring is conducive to the physiological growth of wheat. At present, the growth is generally gratifying. However, in the case of more spring rain, with the rise of temperature, high temperature and high humidity may occur, and rust and powdery mildew may easily occur. In addition, diseases from the beginning of April to the beginning of May are diseases, especially the susceptible strains of Chuandao; In addition, the density of some fields is too large to be susceptible to disease lodging and easy to defertilize. We should strengthen late management for the corresponding situation. 1, prevent lodging: For excessive density of land and high stalk varieties, it is necessary to take active measures to prevent and remedy. In the late wheat period, it is not suitable to spray paclobutrazol (PP333) to prevent lodging. It should be ?(9)?imgFile=. This spring is better for rain, which is beneficial to the physiological growth of wheat. At present, the growing trend is generally gratifying. However, in the case of more spring rain, with the rise of temperature, high temperature and high humidity may occur, and rust and powdery mildew may easily occur. In addition, diseases from the beginning of April to the beginning of May are diseases, especially the susceptible strains of Chuandao; In addition, the density of some fields is too large to be susceptible to disease lodging and easy to defertilize. We should strengthen late management for the corresponding situation. 1, prevent lodging: For excessive density of land and high stalk varieties, it is necessary to take active measures to prevent and remedy. In the late wheat period, paclobutrazol should not be sprayed to prevent lodging. The spraying of potassium dihydrogen phosphate, photosynthetic micro-fertilizer, and FA dryland dragon should be the main method to enhance the resistance of wheat and reduce the chance of lodging. The superfluous wheat should be sprayed with superphosphate, potassium dihydrogen phosphate and various compound foliar fertilizers repeatedly to reduce losses. 2, remove weeds: weeds to manually remove the main, remove the weeds after the removal of the field as far as possible, and burn or crush, to avoid grass seeds into the ground, causing the re-growth of weeds in the next year. 3, do a good job of "two insects and three diseases" prevention and control: wheat aphid is mainly a scab, available D
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