At present, the soil of farmland in most districts and counties in Beijing is suitable for the winter, and it is good for the strong seedlings before winter.
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Figure 1
Figure 2
According to the remote sensing monitoring results of the soil moisture of grain crops in Beijing on October 29 (Figure 1), most of the city's grain crops are in a suitable state, and only mild drought occurs in the southern sand area of ​​Daxing.
According to the forecast of meteorological factors such as maximum temperature, minimum temperature, relative humidity and rainfall in early November, applying the principle of farmland soil water balance, combining soil texture, crop type and current measured soil moisture, the soil moisture of farmland in Beijing at the end of November was carried out. Grade trend forecast (Fig. 2). From the forecast results, most of the farmland soils in the city are suitable for flooding without considering the irrigation conditions, and only some droughts occur in the Daxing sandy soil area.
It is expected that most of the districts and counties in the first ten days of November will be suitable for soil moisture, and the temperature will be high, which is beneficial to wheat seedling growth and tillering, which is conducive to strong seedlings before winter.
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