With the continuous development of scientific farming, how to plant good rice, so that rice production continues to increase, scientific farming, scientific management is a beneficial guarantee for increasing yield of rice farmers. Here are some effective ways to increase rice yield.
First, the purpose of rice cultivation and soil preparation is to create a good soil environment for the development of rice roots through various methods such as turning the land and dipping land. The rapid development of rice seedlings after planting, can quickly absorb water and nutrients, fast seedlings soon, tiller early as soon as possible into a high yield seedling frame.
Second, the cultivation of the line to the general trend of things is better than the north-south direction This is related to the sun rising east and west, east and west direction is mainly expressed in: The first is to improve the rice plant light state, improve the photosynthetic efficiency. The second is to improve the microclimate in the field, which will help increase the water temperature and ground temperature in paddy fields and promote the growth and development of the strains.
Third, the quality of rice transplanting seedlings rooting, the speed of returning to green, the early and late production of childbirth have a great impact on the level, should pay attention to shallow, straight, uniform and stable planting, including mechanical transplanting, the benefits of shallow insertion can make hair The root segment is in a shallow soil layer where the ground temperature is high, which is conducive to the nutrient absorption, growth and development of the root system and can promote the occurrence of tillering.
Fourth, paddy fields are planted year after year. Not only do they have to absorb a large amount of trace elements such as N, P, and K from the soil each year. Therefore, supplementation with inorganic fertilizers alone cannot meet the needs of rice production. Organic fertilizers and inorganic fertilizers must be used in combination.
Five, early transplanting pods in the right time refers to transplanting pods early in the transplanting period. Early transplanting pods can promote early growth and increase vegetative growth of rice. Especially for late-maturing varieties, they can get more full-fledged deliveries, combined with timely transplanting, early sowing and sowing, vigorous breeding and rational planting, etc., in order to obtain higher yields. It is generally inserted early in the middle of May.
Sixth, modern high-yield rice cultivation emphasizes thin-seeding cultivation, strong seedling quality, and rapid rooting after planting. No matter early, mid or late rice, it is not necessary to plant deep-water seedlings after planting. The best method is shallow water cultivation. The flat and shallow water is planted and planted in shallow water for 5-7 days to allow Tianshui to dry naturally. This way, the base fertilizer is not easy to lose, and the gas is relatively harmonized. The shallow water is used for groundwater irrigation, the water and gas are coordinated, and the water is used to regulate fertilizer. Encouraging roots helps promote mutual development.
VII. As the saying goes, “In May, not in June,†the transplanted rice will be returned to the green period after planting wounds after a period of growth stagnation to gradually restore growth. Usually takes 5-7 days. For a single rice crop, it begins to deliver about 10 days after transplanting, reaches the peak of delivery within 20-25 days, reaches the highest delivery period within 30-35 days, and generally has about 20 days of the entire field delivery period. The effective tiller period that can be divided into panicles is only 5-10 days short, and the longest is about 15 days. The growth of rice during tillering stage is in two aspects. The first is the long part of the above-ground part of the long-leaved tiller, and the second is the underground part of the long root, which forms a robust root system. Due to the differentiation and growth of a large number of vegetative organs, more nitrogen nutrition is needed, and the nitrogen metabolism is manifested in rice. Fertility characteristics. So also called the growth period. The rice plant has developed rapidly and absorbs more nutrients. It is a critical period for promoting early delivery and fostering healthy and healthy people. The germination, elongation and various physiological activities of rice roots require sufficient oxygen.
VIII. The jointing and heading stages require the most amount of water and must ensure that the rice needs of water are satisfied. However, during the long spike, the general temperature is high, the decomposition of organic matter is accelerated, the microbial activity is vigorous, the oxygen consumption is high, and it is easy to cause poisoning. Material accumulation is not conducive to the growth of roots, which in turn requires no long-term flooding. Therefore, in the jointing and long-ear period water management, keep the well-ventilated well-established shallow water layer, and adopt water that is not dry and new water does not enter. The methods are coordinated to grow underground and underground until maturity. Especially for big panicle type, it is better not to drain water too early during grouting, so as not to reduce the yield. After the yellow ripening, the physiological water requirement of rice will decline, and the drainage will generally be discharged about 7 days before harvest. Dry to facilitate harvesting.
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