During the transplanting period of rice, ensuring the quality of rice field preparation and the quality of rice transplanting is not only a prerequisite for implementing quality cultivation of rice populations, but also a basis for stable and long-term stabilization of rice. The main targets of this period were Tian Ping, Fei Zua, expansion, reduction of seedlings, and shallow planting, laying the foundation for seizing high yields. First, the fields that have been smashed in Daejeon’s mouths should be ploughed to pick up and pick up the ridges; those that are lagging behind in the mouth should be rushed to grab crops. In general, one tillage, one rotation, and one level operation are performed, so that the field level is less than 3 centimeters, and the requirements for leveling, deepening, loosening, and softness are met, which provides favorable conditions for early planting of rice after transplanting and promotion of rooting and tillering. Second, the application of basal fertilizer before ploughing the site preparation should be enough base fertilizer, basal fertilizer should be dominated by organic fertilizer, and the appropriate allocation of available nitrogen, phosphorus and potassium fertilizer. Ammonium bicarbonate is used as a basal fertilizer and is preferably applied before cultivation. According to the test, the fertilizer efficiency can reach 58%. The amount of nitrogen fertilizer used in basal fertilizers should be 30%~40% of the total nitrogen application amount of hybrid medium japonica rice, 40% of medium japonica rice, and 40%-50% of single late rice. In addition, if there is a severe shortage of potassium, 200 ml of bio-potash fertilizer can be applied per acre to increase the amount of potassium in the soil. Third, suitable for basic seedlings General conventional japonica rice seedlings planted high-yielding side per acre inserted 1.8? 20,000 points, the basic stem seedlings 5? 60,000; large-scale production of about 20,000 points per acre inserted, the basic stem seedlings 6? 80,000; generally Daejeon is about 23,000 per mu, and about 80,000 basic stems and seedlings. Small seedlings can be planted on the basis of the seedlings in the appropriate drop some large seedlings planting can be appropriate to increase some. The fat bed is planted with dry seedlings and cast seedlings, and the seedlings are planted on the high yield side. The high-yield seedlings are planted with 4 to 50 thousand basic stem seedlings per acre, and large-scale production of 60,000 to 70,000 basic stem seedlings per acre. 4. Reasonable plant spacing The dry planting and planting are strong in "explosive power" and suitable for expansion (distance) planting (distance) planting, in order to increase the ventilation and transparence between the rows, delay closure time, and coordinate the conflicts between groups and individuals. , It is conducive to the formation of strong stalks, enhance lodging resistance, and increase the rate of spike formation. The hybrid rice has a spacing of 30-33 cm and a plant spacing of 10-13 cm. The high-yielding side of the japonica rice has a row spacing of 28 cm or more. The row spacing on the large-scale production is 26-28 cm, and the plant spacing is 10-13 cm. The soil fertility is low and the production conditions are poor. The row spacing can be appropriately reduced, and the spacing between the rows remains the same. Fifth, Shallow water shallow inserting insert shallow water shallow insert. Because the topsoil in the field is rich in nutrients, the ground temperature is high, and the ventilation is good, shallow insertion is conducive to the development of the root system and the absorption of nutrients, thereby promoting the delivery. If the seedlings are planted too deeply, it is easy to make the tiller section in an environment with poor ventilation and poor nutritional status, which results in delayed delivery of rice seedlings. General hand planting depth is controlled within 3 cm. If rice is thrown into the paddy field, we must adhere to wet seedling transplanting. There must be no water layer and no deep water layer. In order to improve the quality of throwing seedlings, ensure that the throwing is well-distributed, to be done during throwing planting: one is to throw back and forth more than twice; the second is to clean the sidewalk after throwing by 2 meters throw; third is to do a flat water shortage to prevent throwing In the event of heavy storms, it floats and causes the seedlings to fall.
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