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What are the control methods for wheat powdery mildew?
In recent years, with the improvement of fertilizer and water conditions in wheat fields and the increase in plant density in high-yield fields, wheat powdery mildew has become increasingly severe year by year. After the powdery mildew pathogen parasitizes wheat, the plant's respiration increases, transpiration intensity rises, and photosynthetic efficiency decreases, seriously affecting the normal
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March wheat pest and disease control methods
March is the first critical period for spring control of wheat pests and diseases in our province. The main pests and diseases occurring include wheat sharp eyespot, wheat spider mites, and seedling-stage aphids. In particular, if wheat sharp eyespot in areas with above-moderate occurrence is not effectively controlled, it will cause serious impact on wheat production
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What issues should be noted for winter irrigation of wheat?
Winter irrigation is one of the effective practical experiences for increasing winter wheat yields. To carry out winter irrigation correctly, the following three factors must be considered: temperature, soil moisture, and seedling condition. The suitable temperature for winter irrigation requires an average daily temperature of about 3°C. If winter irrigation is too early, the temperature is still high, evaporation
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To manage spring care of late-sown wheat well, it should be carried out according to its characteristics.
Every year there are always some wheat fields sown relatively late. The characteristics of late-sown wheat: First, the tillering period is short. Because sowing is late and emergence is late, there is no tillering period before winter, and the spring tillering period is generally less than 20 days, so the number of tillers per plant is small, and the tillering roots are also few, which is the main reason for slow growth in spring.
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Four protections to do well in spring field management of wheat
To ensure high and stable wheat yields, after the beginning of spring, four protections should be emphasized in wheat management. First, prevent waterlogging damage. After the beginning of spring there is generally more rain, and if drainage is poor and soil moisture is too high, waterlogging damage is very likely to occur. Ditches should be cleared and drainage carried out in time, and plant ash should be spread between the rows to loosen
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How should weak winter wheat seedlings be managed?
After winter wheat emerges, due to the influence of natural conditions and cultivation measures, various types of weak seedlings often form. Weak seedling conditions should be managed according to the specific cause, as described below one by one: 1. Weak seedlings caused by soil drought mostly occur in wheat fields with insufficient subsoil moisture or where moisture is lost through ventilation.
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How to fertilize wheat rationally? Master these planting key points
Wheat fertilizer requirement is greatly affected by soil properties and its own fertility, and different factors such as sowing date and yield must also be considered, while there are also certain differences among wheat varieties. Farmers should pay attention to the following points in fertilization: First, apply more phosphate fertilizer. Wheat has a demand for phosphate fertilizer
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What to do when wheat seedlings are weak and sparse? Apply fertilizer in time to promote tillering
After wheat begins tillering, the number of tillers increases continuously with the growth and development of the plant, and the total number of stems and tillers reaches its maximum around jointing. After that, the later-emerging tillers die off one after another due to insufficient nutrients and other reasons, and the number of stems and tillers becomes basically stable only after heading. Generally, after tillers emerge
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How to choose fertilizer varieties for formula fertilization of winter wheat
According to many years of production practice over large areas, applying formula fertilizer for winter wheat once as base fertilizer (all base and topdressing applied in one go) is an economical and efficient fertilization method. Such wheat fields generally show strong but not excessive wheat seedlings, well-developed root systems, thick and sturdy stems, strong disease resistance, large spikes with many grains
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Detailed Explanation of Key Fertilization Techniques for Winter Wheat Planting
The high yield of wheat is strongly dependent on soil fertility. Wheat fertilization should pay attention to the following aspects: First, the amount of nitrogen fertilizer applied to wheat fields should not be too large, nor too small. If there is too much nitrogen fertilizer in the early stage, it is easy to cause excessive growth in the early stage, and lodging in the later stage, reducing yield; if nitrogen
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