Nylon nets prevent mice and keep enough water to protect rice plants from the cold
On January 22, the weather turned cold and strong winds blew away the nylon strips around the field to prevent rats, so Ms. Nguyen Thi An in Thanh Chuong went to the field to re-insert stakes and re-stretch the nylon strips.
“The rice has just been sown for 2 days now. Before sowing, I added manure and phosphate to the field to keep the rice warm. In the field, I leave just enough water to keep it warm and help the rice grow. When the rice leaves are about 3-4 centimeters tall and the weather is still cold, I will spray stimulants to increase resistance, fight the cold and help the rice plants take root,” said Ms. An.
Mr. Le Dinh Thanh, Vice Chairman of Thanh Chuong District People's Committee, said: Before this cold spell, Thanh Chuong had planted over 2,500 hectares out of 8,500 hectares of spring rice, of which about 1/3 of the area was sown directly. We expect to complete planting before December 26 of the lunar calendar. In the fields, almost the entire area of seedlings is covered with plastic, so we are quite assured at present. Currently, the district is directing communes to focus on advising and instructing people to keep enough water in the fields to keep the seedlings and newly sown rice warm.
Even in the cold rain, many people in the localities are also gathering in the fields to implement cold-proof measures for spring rice. Before sowing rice, Mr. Vuong Dinh Nam in Nam Thung block, Nam Dan town knew that there would be a cold monsoon but still had to sow because the seeds had been soaked for 4 days, the buds had already appeared, otherwise the seeds would be spoiled. The difficulty in his family's cold-proofing is that the rice is sown directly, so the only cold-proofing measures are to keep enough water and add more fertilizer.
Mr. Nam said: Spring crop production every year encounters cold rain, many years have had to re-sow because the rice died from the cold. If the cold like this lasts for about a week, the rice will be damaged, so I have also prepared to buy spare seeds, if there is damage, I will incubate more to sow more. Along with the cold, I also have to focus on fighting rats. After sowing rice for 1 day, if I see rats eating the rice seeds, I have to buy plastic to cover them, and at the same time put in rat poison.
With a family of 4 sao of rice fields, Mr. Le Thanh Hai, Ha Long block, Nam Dan town, did not sow directly but planted seedlings on the ground since January 5. Currently, the seedlings can be planted, but in the seedling field, many patches of seedlings grow sparsely because they were damaged by rats, many rows are almost completely lost, 5 days ago, he had to buy more rice seeds to re-sow more than half of the seedling area.
“There are too many rats to kill. Even though I have put plastic around the fields, covered the seedling beds with plastic, checked several times a day, and continuously applied pesticides, the rats still come in and destroy the area,” Mr. Hai said, frustrated.
With the temperature dropping, like many other farmers, he is temporarily stopping rice planting and focusing on covering and caring for the spring seedlings, waiting for the weather to warm up before planting the seedlings, to avoid affecting the growth and development of the rice plants in the early stages of the season.
This spring crop, Nam Dan district planted nearly 6,800 hectares of rice. According to Mr. Nguyen Dinh The, head of the district's Department of Agriculture and Rural Development, about 4,500 hectares have been planted so far, of which more than 3,000 hectares were directly sown. Before entering production, the district provided support with medicine and organized a campaign to kill rats to protect production. In the fields, there are some newly sown areas, some seedlings are ready to be planted, and the district is currently focusing on advising people on measures to protect rice from the cold.
Closely monitor the weather to respond promptly
As of January 17, the whole province has sown more than 1,677 seedlings, the rice area has been planted is over 29,575 hectares. Currently, Nghe An is being affected by cold air, the lowest temperature at night and early morning is generally from 9 - 12 0 C. The cold weather comes right at the time when farmers are focusing on sowing the spring crop, so if there are no appropriate measures, crops will be severely affected.
According to Mr. Nguyen Tien Duc, Head of the Provincial Department of Cultivation and Plant Protection: For early spring crops, rice has taken root, the current cold weather does not have much impact. The worrying thing is the area of newly sown seedlings and rice, the late tea areas are preparing to plant and sow. The professional agency recommends: Absolutely do not plant or sow rice on very cold days (average temperature day and night below 15 0 C). In case the seeds have been soaked, they must be incubated and wait for warm weather before sowing.
Do not apply nitrogen fertilizer in very cold weather, but add ash or potassium to increase the cold resistance of seedlings. When the outdoor temperature is above 15 0 C, open the plastic at both ends of the bed, do not open completely immediately to avoid thermal shock to the seedlings, continue to cover with plastic at cold nights.
On transplanted and direct-sown rice fields: Always maintain a minimum water level of 2 - 3 cm to keep the plants warm. For newly sown rice fields, do not drain water into the fields, maintain in the furrows, and ensure the bed surface is always moist.
Localities must closely monitor weather developments, regularly check and review the situation of crops dying due to cold, especially for direct-sown rice areas, to guide farmers to prepare short-term backup seeds, and at the same time have a plan to register with seed suppliers to proactively provide seeds when necessary.
In addition to protecting rice plants from the cold - the main crop of the spring crop, the professional agency also recommends that farmers focus on caring for and implementing solutions to protect fruit trees and vegetables from the cold. In addition to increasing the use of ash and organic fertilizers to increase the ability to resist the cold, and even covering them with plastic to protect them from the cold, in the early morning if there is frost, farmers should use a water jet to spray and wash the leaves to avoid burning the leaves. Areas that are ready for harvest should be harvested early to avoid damage.
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