In the first half of July, the temperature in Beijing was high, and precipitation and sunshine were mostly small. The meteorological conditions in the whole period are beneficial to the growth of spring and summer corn and the expansion of fruit trees, but the sunshine is less, which is unfavorable for the coloration and sweetness of early fruit trees, and it is easy to cause vegetable diseases.
According to the Beijing Meteorological Observatory. It is estimated that from July 13 to 20, there will be two rainfall weather processes. The average temperature in the plain area of ​​the city is around 27 °C (average 26.3 °C), and the extreme maximum temperature is 34 °C. Precipitation in most parts of the city is expected to be 40-60 mm (50.7 mm per year). The main weather process is. July 13th to 14th, moderate rain; July 19th to 20th, moderate rain.
Increased precipitation during the rainy season may have some adverse effects on agricultural production and crop growth, drawing attention to the following aspects.
corn. At present, the spring maize in the mountainous area has gradually entered the silking stage, and the summer maize is in the seedling stage. The average precipitation in the main spring maize area is 34.2 mm, and the precipitation in the main producing area of ​​summer maize is 42.7 mm. The temperature in the first half of the year is high, although the rainfall is partial. Less, but basically meet the growth needs of spring and summer corn. The number of rainy days entering the rainy season increases, and there is a high probability of rainstorms. Weeding and draining should be noted.
vegetables. In the first ten days, high temperature and insufficient light are unfavorable for the growth of vegetables. High temperature and high humidity weather are easy to cause pests and diseases. It is necessary to observe and observe the disease and prevent it early.
Fruit tree. The high temperature is favorable for fruit enlargement, but the sunshine is less, which is unfavorable for the coloration and sweetness of early fruit trees. Pay close attention to change.
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