Live Rice Cultivation Technology Rice live broadcasting is a kind of cultivation method that directly broadcasts seeds to field without transplanting. It has the following advantages: First, it saves labor and labor. Live broadcast eliminates the need for traditional breeding and transplanting labor and saves the field. It is easy and easy. The second is high output. Due to the high number of tillers in the low-node stage of direct-seeded rice, the panicles and panicles are basically uniform and consistent, with a high rate of spike formation, and a large number of panicles and high yield. The third is the short growth period. The live-rice was not transplanted, planted or transplanted and returned to green. Therefore, the fertility process was accelerated, and the growth period was generally 5-7 days shorter than transplanting rice. The fourth is conducive to the development of intensive production. Large-scale live broadcasting can save a lot of labor, ease the tension of labor seasonality, and have important significance for the realization of mechanization, lightening, and modernization of rice production. Compared with direct seeding and transplanting, direct seedlings have problems such as seedling infestation, weed damage and lodging. Therefore, special attention should be paid to mastering the technical measures such as seedlings, weeding, fertigation, and robust cultivation in production. 1, species selection. Choose early-maturing or mid-maturing varieties with good cold resistance at early seedling stage, early-onset early growth, moderate tillering power, strong disease resistance, short plants, and strong resistance to lodging. Such as Y Liangyou 1, Jingyouyou No. 10, Guodao No. 6, Guangshuang Youxiang No. 66, II You 416, Yangliangyou 6, Youyou 8 and Tianliangyou 616. 2, sowing period and sowing amount. Timely sowing is the key to the technology of sowing seedlings. Generally, direct-seeded rice should be sowed 7-10 days later than transplanting rice (the sowing date of Tianliangyou 616 is appropriate in the first half of May), and the per-planting amount of mid-season hybrid rice is 1.5-2 kg (the seeding amount of super rice varieties can be appropriately reduced). 3, fine soil preparation. Early plowing is done, the fields are flat, the land mud is moderately soft and hard, and the water in the field is drained. The water flow is unimpeded. The three ditches of Xianggou, Yaogou and Weigou communicate with each other, leaving no water in the car. Leveling the car surface should be done one or two days before sowing, and then sowing after the mud is settled. 4, soaking germination. Sowing before sowing 2-3 days, soaking with "three dip three filter": that is, immersed for 8 hours, filtered 10-12 hours, less dip multi-filtration, so 3 times. When 80% of the seeds break the chest and whiteness is appropriate. 5, sowing. After the car is flat, press 3-4 meters wide and open the shallow ditch. Sandy fields follow the whole with sowing, and muddy fields are planted overnight. Seeding method using fixed-quantification, first dilute and make up, that is, first sowing 70% of the seeds, and then use 30% of the seeds make up for deficiencies, light buds after sowing. 20-25 days after sowing, when the seedlings in the 3-4 leaf stage, seedlings should be seeded in the field in time to make up the seedlings for compaction and replenishing, so that the rice plants can be evenly distributed and the individual balance of growth. 6, chemical weeding. (1) Pre-sowing: In addition, 5 days before live broadcasting, the whole field should be well-grounded and the ditch should be opened. For each mu, 120 grams of herbicide “butachlor†should be applied, and the water should be sowed after 4-5 days of water conservation. (2) Dissolving after sowing: After sowing, 3 days after sowing, “Sprout†100-120 ml of water per acre is mixed with 40 kg of water and the shallow water layer is sprayed and weeded. (3) Post-emergence eradication: When the seedlings have 3 leaves and 1 heart, they use 30 kg of water for each mu, which is 50 kg of water. After draining the surface water, the leaves are sprayed and rehydrated after 24 hours. Or in the 2-3 leaf period per acre with "96% Da Zhuang EC" 100-150 ml water 50 kg spray, keep shallow water for 5-7 days after application. For the more broad-leaved weedy plots in the tillering season, after the water is drained, use “20% dimethyl tetrachlorine†to spray 100 ml of water and 50 kg of water, irrigating it every other day, let it dry naturally. The amount of “gravy grass†and “mudiaofeng†(25-30 g, 30 kg) is sprayed on each acre, and the water is drained before spraying. Water is applied 1-2 days after application and the water is kept for 5-7 days. For the combination of barnyardgrass, sedges, and broad-leaved weeds, use "50% killing alfalfa" plus "20% dimethyl tetrachlorine" to control. 7, scientific management of water. After sowing, 1 leaf and 1 heart period should be completed, so that "the sunny day is a flat gutter, the cloudy sky is half a ditch, and the rain is drained." Keep the teeterboard wet, and keep it about 3.3 centimeters in case of heavy rainfall. Drain the water immediately after heavy rain. The l-3 leaf stage is dominated by wet irrigation. In the 3-5 leaf stage shallow water ground irrigation promotes tillering, and the field should be exposed many times. 5-6 leaf light field. 7-8 leaf heavy field. When the number of pods per acre reaches 20-22 million seedlings, the water is drained in time to control ineffective delivery. From the booting stage to the heading stage, irrigation should be performed after the water is naturally dry and then the water layer is poured. After heading, dry and wet should be alternated, and roots should be kept. 8, fine fertilization. The base fertilizer is applied to 50 kg of "Formula No. 1" (or "30% Star Fertilizer Compound Fertilizer" 50 kg + "12% Starlight Granular Phospho-Magnesium Fertilizer" 25 kg per mu) and 200 g of "Large Grain Zinc" (or 1 bag of Mantian Zinc , Youyou zinc 1 bag), "large grain silicon" 4 kg (or must be equipped with 1 bag). Three-leaf cling to 5 kg of urea per acre (or "peptide nitrogen" 2-3 kg), urea 10-15 kg (or "peptide energy nitrogen" 8 kg) plus "potassium chloride" in the 5-leaf period 5 - 7 kg, after rehydration in the field, see seedlings recover "peptide nitrogen" 3-4 kilograms. 9, pest control. According to pest and disease prediction, pest control will be conducted in a timely manner. (Wang Dangjun, Hubei Danyang Agriculture 110 Zhu Liqing Grain and Oil Station) Meropenem Crude,Meropenem Trihydrate,Meropenem Side Chain,Meropenem Intermediate Xinxiang Haibin Pharmaceutical Co.,Ltd , https://www.carbapenemspharmacy.com