The time for raising seedlings of indica rice is from the end of April to early and mid-May, from north to south, from along the Huaihe River to the Jianghuai River. The machine-transplanting time for wheat stubble indica rice is about half a month before the wheat harvest. It takes 18-22 days to raise seedlings early, around mid-May.
Japonica rice is even more intolerant to low temperature, and the winter slack field cannot raise seedlings too early. It is easy to encounter low temperature and yield decline. The seedling time of japonica rice is from May 10th to 20th, starting from north to south one after another. The seedling cultivation of wheat stubble japonica rice is half a month before wheat harvest.
Medicament Seed Soaking
Nowadays, there are more and more large-scale plantings. Nowadays, the obvious diseases such as seedling blast and bakanae disease in the rice seedling stage cannot be treated with medicine at that time. Therefore, it is reminded that large growers must dress seeds with medicine under the premise of soaking seeds with medicine. Medicament seed soaking can choose prochloraz, cyanostrobin 2000 to 2500 times, soak the seeds for 10-15 hours, then stop the water seedling, and then stop the germination.
It is recommended that water seedlings are used for sprouting twice. Try not to sprouting once. Spread out the seeds to dry when the seeds are broken, and then stop the seed dressing. For example, O'Berry, Shileshi, Gaoqiao, Yingjun and other medicaments, if If there are more birds in the field, you can also add a little bird repellent, for example, in the winter, etc. After dressing the seeds, stop the second germination, because the first germination is not conducive to the emergence of teeth, and reduce the effect of the seed coating agent. After the second germination is soaked for about 24 hours, take it out and spread it out and let it be harvested.
Precautions for sowing
The seedling field must be leveled to avoid rotten seedlings. When raising seedlings, it is easy to show low-temperature roasted seedlings. It is recommended that you cover up a layer of sterile grass after harvesting, and then cover it with a film instead of indirectly. Cover the rice seed to prevent some of the rice seedlings from being damaged by overheating.
Pay attention to seedling leaf blast, blast disease, and cotton rot. For rice, you must pay attention to the control of seedling leaf blast in the three-leaf stage. You can choose medicines such as Handaoai, Ami Miaoshou, and Nadiwei. The use of shallow water and damp management of rice is beneficial to prevent rice rot. Once the cotton rot occurs, you can choose dixon, pentachloronitrobenzene and other sprays to prevent and control. You can add some high-quality foliar fertilizer by the way, and drain the water in the morning.
Pay attention to the weeding. Rice seedlings are relatively weak, and the safety requirements for the medicine are relatively high. Moreover, there was more rain in the past years, which can be displayed at the same time. It is recommended that you choose the right-track medicine from big brands and manufacturers.
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