How to shorten the slow seedling period of rice? Talking about the Techniques of Shortening the Slow Seedling Period of Rice
At present, the rice seedlings are transplanted, but it usually takes several days to grow new roots after transplanting. At this time, field management is very important. If it is not treated in time, it will increase the slow seedling stage of rice, which will lead to the death of transplanted seedlings. Every grower must pay attention to it. After transplanting the seedlings, due to root injury, the water absorption and fat absorption capacity decreased, the upper part stopped growing, the leaf color turned yellow, and the roots began to grow for 3-4 days after transplanting, and the root absorption capacity gradually recovered, and the leaves turned from yellow to green. The new leaves begin to grow, and this time is called the slow seedling period. The shorter the seedling period, the better. The length of the slow seedling period is related to the seedling's own situation and the method of moving the seedlings. It also has a great relationship with the management of the slow seedling period. In order to shorten the slow seedling period, the technical measures after transplanting are as follows: 1, check the seedlings. After the insertion, the whole field was inspected and found to be dribbled and dumped in time. 2. Irrigation. Immediately after the insertion, the deep water is poured, and the water depth is half of the height of the seedling. The purpose is to reduce the transpiration of the leaves and prevent the water imbalance in the seedlings. After 2-3 days, keep the shallow layer of water 2-3cm to increase the ground temperature and promote the early growth of new roots and new leaves. In the paddy field irrigated by well water, due to the low water temperature, irrigation can be carried out by extending the waterway, changing the water inlet, and supplementing the water to increase the water temperature. 3, topdressing. A week or so after transplanting, a small amount of chemical fertilizer can be applied, and 3-4 kg of urea can be chased to promote the growth of new leaves. Maintain a water layer of 2-3 cm when topdressing. This period of application of the base fertilizer before transplanting may not be applied. 4. Weeding. 5-7 days after transplanting, use 50% of the herbicide emulsifiable concentrate 500g per mu, or use 96% of the big emulsifiable concentrate 150g to mix the sand and apply it before the second leaf of Valerian. In addition, weeding can also be combined with cultivating. I think everyone knows that the seedlings are transplanted. If the field management is not done well, it will be transplanted quite white. Because the roots are damaged when the seedlings are transplanted, life is very fragile. Therefore, we must do field management to shorten the slow seedling period of rice. The above is a detailed method, please check.
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