Tomorrow (March 6) is the third solar terms in the 24 solar terms. At this time, the weather is warming up, and the spring thunder begins to sound, and it is necessary to wake up the insects that lie in the underground hibernation. This shows that “shock†is a solar term that reflects natural phenology. At the same time, the "shock" festival has a very important significance in farming. The working people of our country have attached great importance to this solar term since ancient times, and regard it as the beginning of spring farming. The farmer said: "After the horror festival, spring ploughing can not rest", at this time, winter wheat in North China began to grow green, and the soil still alternates between freezing and thawing. Timely hoeing is an important measure to reduce water evaporation. The south wheat along the Yangtze River has been jointed, and the rapeseed has begun to bloom. The requirements for water and fertilizer are very high. It should be topdressed and irrigated at the right time. Rainwater in the south can generally meet the needs of spring growth of vegetable, wheat and green manure crops, and prevention of wetness is the most important. Early rice planting in South China should be carried out in a timely manner, and at the same time, it is necessary to do a good job in preventing cold in Putian. As the temperature rises, the tea tree gradually begins to sprout, it should be trimmed, and the "germination fertilizer" should be applied in time to promote its multi-branched and multi-leaf leaves to increase tea yield. Peach, pear, apple and other fruit trees should be applied before flowering.
According to the forecast of the next 10 days (March 4-13), the cold air affecting China is weak. The average temperature in most parts of northern China is 1-2 °C higher than normal. The temperature in most parts of the South is basically the same as the normal year. Most parts of the south have more rainy weather. The cumulative rainfall in Jianghuai, Jiangnan, South China, Sichuan Basin and Guizhou is generally 10-30 mm, including 40-70 mm in parts of the south of the Yangtze River and the southwestern part of the country; most parts of the north and Yunnan Rain and snow are less.
The main weather process is 5-7 days. There are small to moderate rains in the southeastern part of the northwestern region, Jianghuai, Jiangnan, South China, Sichuan Basin and Guizhou, and some areas such as Jiangnan have heavy rain. Around the 7th, there were 6-8 northerly winds in the eastern and southern sea areas of China.
On the 12th to 14th, there will be a cold air that will affect the country; in most areas north of the Huaihe River, there will be strong winds and cool weather; in the south, south and southwest, the rainy weather will dominate.
To this end, the experts give the following advice on farming.
Double-season early rice and spring corn that have been sown should pay attention to cold protection. Farmers' friends should pay attention to the local weather forecast, grab the cold-tailed warm head, timely sow and cover the agricultural film, and adopt the water temperature regulation technology. The specific method is “cold day full ditch water, cloudy and half ditch water, sunny day row. Dry water", to prevent the cold and cold damage; after the convulsions, the rain gradually increases, the low-lying rapeseed and vegetable fields should clear the ditch and drain in time, reduce the groundwater level, improve the looseness and permeability of the soil, and provide a good spring for the rape. Soil conditions promote the growth of crop roots. At the same time, seize the opportunity of the weather to warm up, classify the appropriate amount of wheat joint fertilizer and rapeseed pumping fertilizer, and strive to build a high-yield posture to capture the harvest of wheat oil.
Wheat should be well managed for fertilizer and water. At present, wheat has entered a critical period of rejuvenation and spring field management. It is also a season of alternating warm and cold weather and frequent climate change. The incidence of various natural disasters such as cold spring, continuous rain and spring drought is high. The management of wheat rapeseed field should be strengthened, and the field clearing ditch should be done well. Because the seedlings are good for restoring fertilizer, the wheat jointing and booting fertilizer and rapeseed pumping fertilizer should be applied in a timely manner to promote the transformation and upgrading of the seedlings.
Do a good job in the prevention and control of pests and diseases. Based on the early stage, based on the rush, take advantage of the favorable opportunity for the spring temperature to rise, and carry out the work of spring grass. Spring wheat field removal is generally carried out before the jointing and the daily average temperature is stable above 5 °C. If you encounter cold spring, you should master the cold tail to avoid using cold medicine before the cold, to prevent phytotoxicity and increase freezing damage.
Strengthen the antifreeze insulation of horticultural crops. Films, sunshade nets, insect nets, etc. are covered for exposed vegetables and early-bud tea, and the solar greenhouses, greenhouses and other facilities are strengthened and repaired, and internal or multi-layer coverage is adopted to improve the cold insulation capacity.
Do a good job in the sowing of cotton and corn, and lay a good foundation for the production of autumn ripening.
At the same time, prevent the hazards of strong convective weather such as strong winds and hail, and take timely preventive measures such as strengthening scaffolding and artificially eliminating cockroaches.
The recent focus on the weather is as follows:
Winter wheat area weather trends. In the next 10 days, most of the northern winter wheat areas will be dominated by sunny or cloudy weather, with no precipitation.
There are more rainy weather in the south. In the next 10 days, the Jianghuai, Jiangnan, western and northern South China, Sichuan Basin and Guizhou have more rainy weather, and the main rainfall periods are around 5-7 and 12 days.
Spring weather in South China. In the next 10 days, most of southern China, where early rice is planted, will be dominated by process rainfall. The rainfall is generally 10-20 mm, including 25-35 mm in parts of northern China; the rainfall period is roughly 5- Around the 7th, 9th and 12th; the average temperature in most parts of South China is the same as the normal year, and there will be no low-temperature and rainy weather with a daily average temperature below 12 °C for more than 3 consecutive days.
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