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The Latest Management Methods for the Late Growth Stage of Rice Cultivation
Pest and Disease Control 1. Diseases: The main disease that needs attention in the late growth stage of rice is rice blast. After the rice heads out, seize the opportunity to apply pesticide 2---3 times, with an interval of about 7 days. About 100 grams of tricyclazole wettable powder can be used per mu, sprayed on the leaves after mixing with 30 kg of water.
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The latest planting technique for obtaining high yields by transplanting rice earlier
Rice is the main food crop in our country, with its output accounting for about half of our country's total grain output. The abundance or shortfall of rice yields directly affects the annual grain output. To strive for high and stable rice yields, timely early transplanting within the optimal seasonal period is a very important link. Rice
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Latest Field Management Measures for Rice in the Late Stage
Protecting the stems and leaves well, preventing premature senescence, enhancing the photosynthetic efficiency of rice plants after heading, and promoting high nutrient accumulation and high translocation are among the key measures for achieving high yield and high quality in hybrid rice. Supplementary application of grain fertilizer: After hybrid rice heads, the functional leaves gradually turn yellow and wither; if fertilizer is lacking,
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Latest Control Measures for Rice Leaf Tip Blight During Cultivation
Rice leaf tip blight is also known as rice leaf tip white blight. It mainly damages leaves. The disease begins at the leaf tip or leaf margin, then spreads downward along the leaf margin or from the middle, forming stripe-shaped lesions. The lesions are initially dark green, gradually turning grayish-brown, and finally withered white. At the boundary between diseased and healthy tissue there are brown streaks
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The Latest Methods for Identifying Fake and Inferior Hybrid Rice Seeds
Look at uniformity. Hybrid rice seeds mixed with other rice grains have uneven grain shapes. The mixed-in male parent or other indica rice is clearly more slender and plump than hybrid rice seeds, while japonica rice grains are rounder. Look at husk color. Hybrid rice seed husks carry a slightly uneven yellowish-brown and other physiological
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The Latest Growth Characteristics of Rice and Its Environmental Requirements
In rice, the period from seed germination to the production of new rice seeds is usually regarded as one growth cycle of rice, namely the growth period. The growth period can be divided into the seedling stage, the greening stage, the tillering stage, the long panicle stage (panicle differentiation stage), and the grain-filling stage. Generally, the seedling stage is completed in the seedbed; after transplanting, the period during which the seedlings recover and survive is called the greening stage. After greening, tillering begins (some have already begun tillering in the seedbed), and then panicle differentiation (stem elongation) begins. Before young panicle differentiation, the stage dominated by root, stem, and leaf growth is the vegetative growth period; from panicle differentiation to maturity, the stage dominated by panicle, flower, and grain growth is the reproductive growth period.
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Latest Technical Methods Tutorial for Rice Seed Treatment
Rice seed treatment technology includes four steps: sun-drying seeds, saltwater seed selection, seed disinfection, and seed dressing with yield-increasing bacteria. The details are as follows. Sun-drying seeds Sun-drying seeds can enhance the water permeability and air permeability of seeds, increase the germination rate, make seeds germinate uniformly, and make seedlings robust. It also has a sterilizing and disease-preventing effect.
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The Latest Guide to Rice Seedling-Stage Management Techniques and Methods
Seedbed Temperature Management 1. From sowing until the first leaf tip emerges, focus on heat preservation. Keep the temperature inside the shed at 28-30°C, with the optimum at 25-28°C; maintain 25°C at the 2-leaf stage and 20-22°C at the 3-leaf stage, with the minimum not lower than 10°C. Night temperatures are low, so measures such as turning on electric lights inside the greenhouse
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Detailed Explanation of the Latest Technical Methods for Rice Seedbed Management
Rice has entered the critical period of seedbed management. Effectively strengthening seedbed management plays a vital role in cultivating strong seedlings and ensuring a bumper rice harvest. To properly carry out field management during the dry-raised seedling stage, attention should focus on the following 7 aspects: 1. Regulate film temperature. From sowing to
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The Latest Methods to Increase Tillering Rate in Rice at the Seedling Stage
Apply tiller-promoting fertilizer early and tiller-preserving fertilizer sparingly. Nitrogen nutrition plays a leading role in rice tillering. The amount of fertilizer applied during the rice tillering stage is 25-30% of the whole growth period, so applying quick-acting nitrogen tiller-promoting fertilizer early, so that the leaf color quickly turns dark green, is the main measure for promoting early tillering.
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