At present, flue-cured tobacco in Fujian Province is in a mature harvest period. The main meteorological disasters during the mature harvest period of flue-cured tobacco are hail, wind and heavy rain. The average daily temperature of flue-cured tobacco leaves during the ripening period is 24~25°C for 30 days, which is very favorable for the production of dominant tobacco leaves; the rainfall should be reduced to facilitate the timely harvesting of flue-cured tobacco; high temperature and strong light is not conducive to the growth of upper tobacco leaves, especially the dry matter. The rate of accumulation decreases.
In May, the average monthly temperature in the flue-cured tobacco area is between 22 and 24 °C, and the temperature is slightly lower. In the rainy weather, the monthly rainy day is 14 to 22 days. The low temperature and rainy weather is not conducive to the growth and development of flue-cured tobacco.
According to the forecast of the Fujian Provincial Meteorological Observatory. On the 5th, Nanping, Sanming, Longyan and Ningde cities had showers or thunderstorms and partial heavy rain; the rest of the cities were cloudy to cloudy with some showers or thunderstorms. On the 6th, the three cities of Nanping, Sanming and Longyan had showers or thunderstorms, from partial heavy rain to heavy rain; the rest of the cities were cloudy to cloudy with some showers or thunderstorms. On the 7th, Nanping, Sanming and Ningde cities had showers or thunderstorms and partial heavy rain; the rest of the cities were cloudy to cloudy with some showers or thunderstorms. On the 8th, there were showers or thunderstorms in the northern part of the country, with heavy rain in the area; the rest of the area was cloudy with cloudy showers or thunderstorms. On the 9th, there were showers or thunderstorms in the northwest of Yunnan, and there was heavy rain in the area. On the 10th, there were showers or thunderstorms in the province, and heavy rains to heavy rains in the north central part.
Production recommendations. 1. This rainy weather this week is not conducive to the harvesting of flue-cured tobacco; it can be harvested immediately after the rain to prevent the tobacco leaves from returning to green after rain. If the rainfall time is long, the tobacco leaves in the field have already turned green, and it is necessary to wait for the yellowing to fall. Harvested. 2, flue-cured tobacco should pay attention to the ditch drainage after the rain to prevent the leaves from yellowing or withering. 3, high humidity weather is likely to lead to the occurrence and spread of pests and diseases, pay attention to the prevention and control of diseases such as "root disease".
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