I. Analysis of wintering seedlings: Second, the spring tube technical advice: There was more rainfall in the previous period and the humidity in the field was greater. After the spring, the rain may be more, affecting the spring wheat growth. It is necessary to further complete the maintenance work of the corn-groove system: deepen the dredges, ensure the smooth flow of water, clean up the ditch in time, speed up drainage of fields, reduce the humidity in the field, and promote the growth of wheat roots. 3. Timely recovery of weeds in early spring wheat fields: According to the survey, due to the adverse weather since the fall of last year, there are still gaps in the removal of wheat fields in Baoshan District (about 50% of the area needs to be controlled). In order to ensure the harvest of wheat, it is necessary to timely complete the work of weed removal in wheat fields in order to ensure the harvest of wheat crops. We must, in accordance with the requirements of the plant protection department, accurately and timely control the use of pesticides in order to ensure the prevention and control of the actual occurrence of weeds in wheat fields.
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During the autumn broadcast last year, the weather was dry and rainy afterwards, which caused the wheat planting period in Baoshan District to differ much earlier and later, resulting in some areas of late seedlings. According to the survey, there are still some plots that are not seedlings at the “Winter Solstice†festival, similar to last year’s seedlings last year. After sowing in the early sowing plots, it was continuous rainy and rainy. The rainy and sunny weather made the young seedlings of the early seedling field slender and slender, and the low position of the seedlings was severely lacking. The humidity in the field was high, some of the low-lying land had high humidity, and the water appeared rotten seeds and lack of seedlings. Seedling rate, less than basic seedlings. Although the weather gradually improved after the weather, the high temperature, favorable wheat growth, seedlings have improved. According to the “Big†section, the seedlings reflect that the average number of wheat seedlings per mu in the district totaled 279,600, an increase of 30,700 yuan over the previous period and 84,000 more than the same period of last year, with an average of 4.37 leaf orders, 0.7 increase over the previous period, and an increase over the same period of last year. 1.3 sheets. However, compared with the average of the previous five years, there was still a gap in the seedlings, especially the imbalance of the seedlings: the field of early sowing, early seedlings, basal and Miaofei use, and the current strong growth potential, many tillers, and seedling numbers. Foot, dark leaves. The total number of seedlings per acre is between 300,000 and 450,000, and Ye Ling is between 4.5 and 5.0, (approximately 45% of the total area). In the early stage, with fewer fields applied, the growth potential of the wheat seedlings was obviously insufficient: the leaves were yellow, the tillers were small, the plants were thin, and the number of seedlings was insufficient. The total number of seedlings per acre was between 20,000 and 250,000 (approximately 40% of the total area). A small number of late-planting plots had worse seedlings. The seedlings were younger and seedlings were younger. The total number of seedlings per acre so far has been less than 200,000 and Yeling has less than three. There is a large gap between the requirements for winter and strong (about 15% of the total area), which is unfavorable for the balanced and high yield of wheat in our region. At present, it is a key opportunity to reverse wheat seedlings. To this end, we must pay close attention to spring tube work focusing on supplementing fertilization materials, and make full use of the current favorable temperature and light resources to rapidly increase the growth potential of wheat and promote balanced growth.
1, difference between the seedlings applied good spring fertilizer: the lack of early fertilization, the current growth is weak, the seedlings of the plot should pay close attention to fertilizer material, so that the spring fertilizer Lashi, especially for the previous period without the application of phosphate fertilizer, but also should The combination of nitrogen and phosphorus can be used to rapidly increase the growth potential of wheat, fight for strong seedlings, increase spasm, increase spring growth, and increase the rate of tillering and spike formation. For late sowing and late seedling plots, we must take immediate care of the early application, apply fertilizer, and promote spring growth. For the early stage, Miaofeizuo, now a strong field, should be a small amount of fertilizer to catch the yellow pond, and promote balance, focus on the application of jointing and booting later, further enhance the photosynthetic efficiency, enhance the development trend of floret, strive for large spikes to improve grain weight.
2. Strengthen the dredging work in the wheat fields: