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Occurrence and control of weeds in wheat fields
Occurrence of hazards: There are many types of weeds in the wheat fields in northern North China. In some wheat fields in Hebei and other places after the returning green joints of wheat, the fields began to develop peony, peony, sow wormwood, leeks, lacquer, wolfweed, mia, etc.; they often grow rapidly after turning green. It is necessary to select suitable types of herbicides for the timely prevention and treatment of grass plots in different plots. Occurrence pattern: During the returning green period of wheat, alfalfa, sow wormwood, leeks, and lacquer, occur in large quantities. According to the regional temperature rise and the growth of winter wheat, after the return of green wheat, the temperature is obviously warmer, and the urine is lower in Tianpu. =, Occurrence of hazards: In winter wheat production areas in northern North China, there are many types of weeds in wheat fields. In some wheat fields in Hebei and other places after the returning green joints of wheat, the fields began to develop peony, peony, sow wormwood, leeks, lacquer, wolfweed, mia, etc.; they often grow rapidly after turning green. It is necessary to select suitable types of herbicides for the timely prevention and treatment of grass plots in different plots. Occurrence pattern: During the turn of wheat, there were numerous occurrences of alfalfa, Sorata, leeks, and lacquer. According to the rise of regional temperature and the growth of winter wheat, after the turn of wheat, the temperature was obviously warmer, and the weather was clear and the temperature was higher than 10°C. In the case of better weather conditions in the next few days, the following herbicides can generally be used: