Traditional Culture Encyclopedia - Weather forecast - If there is too much rain, will it really lead to a reduction in wheat production?

If there is too much rain, will it really lead to a reduction in wheat production?

As the saying goes, "There are eighty-three rains in the wheat harvest", which means that if the wheat harvest is good, 10 will rain in August and March next year. Since August is the sowing season, Miaoqi will overwinter in June at 5438+ 10, and next March will be the day from the green heading to the booting stage of wheat, and most wheat areas will continue to rain. The showers in Mao Mao are of magnitude, accompanied by a short-term five-level wind. At this time, the wheat in each winter wheat area has entered the flowering period, most afraid of the epidemic of wheat scab, and the south of the Yellow River has entered the middle and late stage of wheat flowering.

Insufficient sunshine and accumulated temperature will immediately affect the output. After heading, the soil layer is too wet, many diseases are hard to prevent, too much fertilizer is leached, cultivated land is reduced, wheat lacks nutrition, and the difficulty coefficient of pest control is improved! In the middle and late stage of wheat growth and development, it was cloudy with heavy precipitation, which reduced production by 20%. From heading to early filling stage, rainy weather is easy to cause the occurrence and prevalence of wheat auxin, stripe rust and other diseases, which in turn leads to wheat yield reduction. Therefore, we should seize the opportunity of prevention immediately and take medicine when scab and stripe rust are found to be more serious.

If the position of the other party is not clear, the output of Zhoukou Luohe will definitely decrease. In May, two rains caused great losses. The first rainstorm caused a large-scale seedling fall, and a week later, the second rainstorm came unexpectedly, which would lead to moldy wheat fall. It is beneficial to the growth and development of wheat, and also gives a standard for diseases. Therefore, it is necessary to pay attention to taking medicine by machine to avoid the occurrence of rust, downy mildew, scab and wheat germ disease. A small amount of urea can fill the fertilizer-deficient land, which is possible, timely, not commonly used and should not be greedy.

Spring rain is as expensive as oil, which is correct for everyone in Cangzhou, but it is really difficult to use some rain in spring. Even if it rains, the rainfall is not much, but it is far better than no rain. The biggest problem in farming now is that there are mountains, rain and hats. If the water conservancy project can't keep up, the production and sales of wheat will undoubtedly not be very good. According to the weather forecast, when I was in Tomb-Sweeping Day, it rained for two days. Some of them didn't have enough base fertilizer, or there were some yellow wheat fields. Someone went to raise some urea and fertilize them with this good rain. Can be said to kill two birds with one stone, not only chasing the fat but also watering it, which is a good rain.