Machine live cultivation techniques

In recent years, with the continuous improvement of mechanization level and the improvement of machinery, the area of ​​rice machine broadcast promotion and application has expanded rapidly, and the development momentum is strong. Its remarkable advantages are: the work efficiency is doubled, the operation is simple and convenient, the seeding quality is good, the cost is increased, and the production has great practical significance and application space.

1. Selection of good varieties: According to local conditions, choose high-quality and high-yield varieties with thick stems, resistant to fertilizers and roots. Select the good seeds, strictly remove the impurities, remove the semi-full seeds, make the seed grains uniform, ensure the seed drop rate of the seeds when the machine is sowing, and improve the uniformity of seeding.

2. Moderate tillage, fine leveling: Live Daejeon should be irrigated and ploughed about 15 days before sowing, using mechanical rotary tillage to ensure that the weeds or the former roots are fully rotted. It is convenient for operation and irrigation. The width of the width is 3-4 meters, the width of the groove is 0.2 meters, and the surrounding ditch is opened. The surface of the field is flated one day before sowing, and the soil is moderately smeared. The surface of the field is flat. Sowing, the depth of the valley is just as the grain just falls into the mud.

3. Reasonable close planting, fine sowing and sowing: When planting, the seeds should be drained slightly, and then loaded into the live broadcast machine. The walking speed should be consistent when sowing, and strive to achieve fine sowing. After the sowing, you can use a wet sack or the like to put on the rope and manually pull it on the surface of the field to collapse the exposed seed valley into the mud. At the same time, the poisonous baits were placed around the Tanabe in accordance with the requirements of the rodent bait, and the rats were harmed. The measures such as collapse and artificial dispersal were taken to prevent the damage of the sparrow.

4. Sowing at the right time, scientific management: The live broadcast of the machine is the same as other live rice. Because there is no transplanting, the sowing can not be premature, otherwise it is easy to grow too much, more tillering, less tillering, and the panicle type becomes smaller, and it is easy to cause lodging in the later stage. Finally, it is not productive. Since live rice has been grown in the field for a lifetime, it is necessary to increase the number of fertilizations on the basis of applying the base fertilizer. In the management of water slurry, the number and extent of fielding should be stronger than that of transplanted rice, which can control the inefficient tillering and promote root growth and prevent late lodging.

5. Chemical weeding: The chemical weeding of the live broadcast field is the same as the weed control of the artificial hand live field. It is one of the keys to the success or failure of direct seeding rice. But as long as the method is right, the medication can be effectively controlled.

6. Pest Control: In addition to the same pest control as conventional rice, direct seeding should pay attention to the prevention and control of sheath blight. Because there are many seedlings in the direct seeding rice, the field is highly concealed in the middle and late stages, and the sheath blight is easy to spread. Therefore, while strengthening agricultural control, the chemical control should be done well.

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