According to the short-term climate trend forecast of Hunan Province, the monthly average temperature in March is expected to be slightly lower in most parts of the province. The extreme minimum temperature of the month is -1 to 2 °C. The total rainfall in March was slightly less in the northern part of Hunan and southeastern Hunan, and slightly more in southwestern Hunan and Hunan. The total number of rainy days in the month is 10 to 12 days.
It is expected that the main precipitation process in March 2011 will appear in the middle of the first half, the end of the early to the middle of the first half, the early period of the late period, and the middle and late stages of the second half.
Based on the previous climate characteristics and the short-term climate trend forecast for March, the recommendations for the March farming activities are as follows:
1. The "shock" solar terms are approaching, the spring ploughing is about to begin, and the first half of March should be ready for seed, agricultural film, fertilizer, and pesticide preparation. In addition, the precipitation in March is gradually increasing. After the rain in the low-lying rapeseed land, it is necessary to clear the ditch and drain the water, reduce the groundwater level, improve the looseness and permeability of the soil, promote the development of crop roots, and provide a better soil environment for the later growth of the crop.
2, March is the rapeseed from the flowering period into the flowering period, the flowering period should pay attention to the application of flower pod fertilizer, the application of boron fertilizer before and after the flowering period, strive for long branches and effective pods, laying the foundation for high yield of rapeseed. At the same time, we must also pay attention to the rise of spring temperatures, easy to induce a variety of pests and diseases, we must do a good job in prevention and treatment.
3. Do a good job in seeding preparation for dry nursery, water breeding and spring maize. Seeds, fertilizers and pesticides should be implemented as soon as possible.
4, March, the impact of cold air, thunderstorms, strong winds, hail and other severe weather are more frequent, all localities should pay close attention to the weather forecast during the spring sowing, to achieve profit and avoid harm, to ensure the smooth progress of spring farming.
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