The Climate Center of the Beijing Meteorological Bureau released the agricultural weather forecast in late June. In the present day, the temperature is high, the precipitation is less, and most of the sunshine is less. The meteorological conditions in the ten years are unfavorable for the growth of spring maize in the mountainous areas at the critical stage of water demand. At present, there is no obvious effect on the growth of summer maize in the seedling stage. Less sunshine, which is not good for vegetable growth, should pay attention to the prevention and control of pests and diseases.
Weather Features
The average temperature in this period is 19.6 to 27.1 °C, of ​​which 25.7 to 27.1 °C in the plains and 19.6 to 24.7 °C in the mountains. Compared with the same period of the year, Xiayunling is flat, and the other stations are 1~2°C higher; compared with the same period of last year, each station is 1~3°C lower. The extreme maximum temperature in the ten-year period is 33.9 °C, which is now at 21 Tangyukou. The precipitation is 0 to 13 mm, and the precipitation in the northern mountainous areas is more than 9 to 13 mm. Compared with the same period of the year, the stations were 60% to 1 times less; the same period last year, the precipitation was 0-19 mm. The sunshine hours are 31 to 94 hours. Compared with the same period of the year, Yanqing, Changping, Pinggu and Xiayunling are more than 1% to 20%, Haidian is flat, and the other stations are less than 1% to 60%; compared with the same period last year, the stations are 1~7% less. .
The impact on agricultural production and the corresponding measures
Corn: The temperature in this area is high and the precipitation is low. It is not good for the growth of spring maize in the mountainous areas where water demand is critical. At present, it has been drought-stricken; but it has little effect on summer maize in seedling stage.
Vegetables: There is less sunshine in the first day, which is not good for vegetable growth. All localities should pay attention to the development of pests and diseases, pay attention to prevention and treatment.
Fruit trees: Precipitation and sunshine are less in this period, which is unfavorable for fruit enlargement, fruit coloring and sweetness increase.
The next ten-year weather forecast
According to the Beijing Meteorological Observatory forecast: It is expected that there will be three cold air activities in early July. The average temperature in the plain area of ​​the city is 26 to 27 ° C (average 25.6 ° C), and the extreme maximum temperature is 34 ° C. The precipitation in most parts of the city is 30 to 40 mm (60.7 mm per year).
Main weather process:
July 3: Small ~ moderate rain;
July 5th: light rain;
Around July 10: moderate rain.
July 3: Small ~ moderate rain;
July 5th: light rain;
Around July 10: moderate rain.
Cold vortex will need temporary artificial rainfall hail, grab farming season before rain top dressing weeding shovel trip
Since late June, the temperature in Jilin has been high and precipitation has been low. In the second half of June, the average temperature in the province was 23.1 degrees Celsius, 2.4 degrees Celsius higher than the same period of the previous year, ranking 7th in the history of the same period. Among them, Baicheng, Songyuan and Yanbian are 3.4-3.6 degrees Celsius higher than normal, Baishan is 0.7 degrees Celsius higher than normal, and other cities are 1.0-2.5 degrees Celsius higher than normal. Yanbian and Baicheng rank second and third respectively in the same period of history. Songyuan, Changchun, Siping, and Jilin lived in the 5th to 7th places in the same period of high temperature. The extreme maximum temperature in the ten days is 38.1 degrees Celsius, and on June 26, it is now Matsubara Station.
In the second half of June, the average precipitation in the province was 18.9 mm, which was 50% less than the same period of the previous year, and ranked 10th in the same period of history. Among them, Songyuan, Siping and Liaoyuan are 83%~92% less than normal, Baishan and Yanbian are 2% and 25% less than normal, and other cities are 49%~67% less than normal. Liaoyuan has a history of less rain. In the first place, Siping and Songwon ranked third and fifth in the same period of history. During the ten-day period, the cold vortex and artificial precipitation enhancement work together. On the night of June 26th to 28th, there was precipitation in our province. The average precipitation in the province was 15.6 mm.
At present, the province's corn is at or about to enter the jointing stage, and the development process in the central and western regions is earlier than normal; the soybean enters the side shoot formation stage, and the development process is slightly later than normal; the rice is in the tillering stage, and the development process is close to normal.
The Jilin Provincial Meteorological Bureau estimates that the overall weather trend in the province in early July 2010 is that the temperature is slightly higher, characterized by a significant change in temperature, with high temperature above 32 degrees Celsius in the mid-west and around the end of the decade; precipitation is near normal, precipitation Mainly concentrated in the mid-term. The main weather processes are: small showers or small thunderstorms with uneven distribution around the 2nd, and heavy rains in the central and southern parts. From 4 to 7 days, there is a relatively obvious precipitation weather process in the province. The precipitation is mainly concentrated in 4-6 days. The average precipitation of the province is 15-30 mm. The regional distribution: Changchun, Liaoyuan, Jilin, Tonghua, Baishan and Yanbian have rainfall of 20-35 mm. There are moderate rains in some areas, and some areas have heavy rains; Baicheng, The average precipitation in Songyuan and Siping processes is 10 to 20 mm. There are small to moderate rains in the above areas and some thunderstorms in some areas. At the end of the decade, there were showers or thunderstorms in most parts of the province.
The farmer's advice is as follows:
1. Continue to carry out drought and seedling protection work and strengthen field management. Carry out the second shovel in time to improve the hydrothermal conditions of the farmland, promote crop growth and improve the drought resistance of crops. At the same time, all areas have strengthened the management of water and fertilizer in rice fields, and timely control of the field is ineffective.
2. Strengthen the monitoring and prevention of pests and diseases in farmland. As the temperature is expected to be slightly higher in early July and the precipitation is slightly less, it is conducive to the large-scale reproduction of soybean meal. The majority of farmers pay close attention to the occurrence of aphids, especially in the southeastern counties and cities to prevent the occurrence of corn borer, so as to prevent early detection and avoid The spread of insects has caused unnecessary economic losses.
3. Organize artificial precipitation enhancement work in a timely manner. Since there were three precipitation weather processes in our province in early July, it is recommended that the Weather Influencing Offices at all levels seize the weather conditions that are conducive to rain enhancement and carry out rainfall enhancement operations in due course.
4. Grab the topdressing before the rain. It is expected that the rainy weather will increase in the first ten days of July, and farmers' friends should topdress in time before the rain to improve fertilizer efficiency and promote crop growth.
5. Do a good job in water resources scheduling and save water. Although the precipitation in early July is close to normal, the precipitation is unevenly distributed. It is recommended that the relevant departments allocate water resources reasonably, and the majority of urban and rural residents should save water.
6. Prepare for flood control. It is expected that the precipitation in early July will increase significantly compared with the previous period. There will be thunderstorms or heavy rains in the middle of the year. Local heavy precipitation is likely to cause geological disasters such as mudslides and landslides. Therefore, the relevant departments should be vigilant and pay close attention to the weather forecast and warning information issued by the meteorological department in order to respond promptly, reduce disaster losses, and ensure safety.
7. Pay attention to the prevention of lightning and hail disasters. Due to the uneven distribution of showers and thunderstorms in early July, it is prone to strong convective weather such as thunder and hail, and relevant departments should do a good job in lightning protection.
　　
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