Summer rice breeding new technology
Summer rice breeding technology is very important, and the quality of seedlings directly affects the growth and yield of rice in Datian. 1. Select the variety. The new varieties of rice that are suitable for local growth should be selected in the seedling stage with strong growth, strong tillering, short growth period, high yield, good rice quality, white color, strong flavor and other traits. The varieties suitable for planting in Haiyang are mainly fragrant rice. 2. Choose your choice. The land with flat terrain, rich geology, convenient management and convenient drainage and irrigation should be selected, and the area of ​​the nursery and summer rice should be planted at a ratio of 1:25. 3. Whole fertilization. In the early spring, every 667 square meters (1 mu) of soil and fertilizer is 3000-5000 kilograms, and the depth of cultivated land is 15-20 cm. In the end of April, the land was leveled to prepare for the squatting. The height is 10 to 15 cm, the width is 100 cm or 130 cm, and the length is not limited. After smashing, apply 50-80 kg of potassium sulphate compound fertilizer per 667 square meters, spread it evenly on the surface of the glutinous rice, and then knead the noodles to prepare the oysters. 4. Seed treatment. After drying the seeds for 1 to 2 days before raising the seedlings, soak them in a mixture of 50% carbendazim 600 times for 8 to 10 hours, then remove the rice seeds, rinse them with water, then soak them in water for 48 hours, and dry for 2 to 3 hours. can. 5. Sowing at the right time. Sowing in early May, 10 to 15 days later than the planting time of spring rice, in the morning, the well-prepared breeding ground is flooded with water, soaked in the noodles, sun-dried for 3 to 4 hours, usually at 2 o'clock in the afternoon.畦 耙 耙 again, to achieve the same parcel level flat. Then drain the water from the Putian, spread the treated rice seeds evenly on the surface of the dough at a weight of 0.15 kg per square meter of dry seeds, and gently smear the seeds into the ground with a raft or spade. 3 cm is appropriate. Then cover the polyethylene film produced by a regular manufacturer with a thickness of 0.006 mm and a width of 100-130 cm. The film is flattened and placed on the surface of the concrete. It is not required to be tensioned. The surrounding of the film is pressed with the gutter mud to prevent the wind from damaging the film. Outfit uniformity. 6. Putian management. First, timely film: no watering during the filming of Putian, about 7 days, the seed broke the top film. Under normal circumstances, the seedlings grow 2 to 3 leaves (2 leaves and 1 heart) in the film for 10 to 15 days. In the morning, the paddy field enlarges the water and floods, and the mulch is collected, and the water can be immersed in the seedlings. The second is timely topdressing: 10 kg of high-nitrogen and high-potassium compound fertilizer is evenly applied to every 667 square meters of seedlings after filming, and then water is poured once every 5 to 7 days, and the water surface is not more than the heart, every 15 to 20 days. Topdressing 1 time. When the seedling grows to 6 leaves and 1 heart, it can be transplanted in the field. Because the summer rice breeding time is late, the temperature is high, during the growth of the seedlings, attention should be paid to water control, fertilizer control, and disease prevention, so as to avoid causing old diseased seedlings. 7 to 10 days before the transplanting of Daejeon, the seedling fertilizer was chased, and 7.5 kg of urea was recovered per 667 square meters. 7. Prevention and treatment of diseases. Spray the seedlings with 50% carbendazim 500-800 times to control leaf rust, leaf spot and rice blast, and ensure the quality of seedlings. Face Recognition Time Attendance Face Recognition Time Attendance,Free Software Face Recognition Time Attendance,Face Recognition Attendance Machine,Face Fingerprint Time Attendance Chongqing Huifan Technology Co., Ltd , https://www.huifantech.com