How to choose and use precision seeder

1. Selecting precision and semi-precision seeders to implement precise and semi-precision seeding in accordance with local conditions is an important measure for realizing precision agriculture with machinery, and is also the core of implementing mass quality cultivation. Practice has proved that, under the existing conditions of soil fertility and fertility, appropriate reduction in seeding rate makes wheat seedlings suitable starting point, reasonable dynamic structure, adequate light in the field, robust individual development, and large and heavy grains, which is widely accepted by farmers. High yield measures. However, the addition of precision and semi-precision seeders should be based on local conditions. If the field is medium in fertility, the agronomics adopt the cultivation methods of the main stem and the panicle and the tiller to form the panicle, and the basic seedling should be up to 180-2.7 million plants/hm2. -135kg/hm2), the output reaches 5250-6000kg/hm2, we should choose an external groove wheel type metering device equipped with 16 straight grooves, which can complete the semi-finish of the processes such as rotary ploughing, ditching and covering and repression. Planter. If the field has superior fertility, the agronomic uses small groups, strong individuals, and cultivation methods based on tillering, requiring that the basic seedlings reach 120-1.8 million plants/hm2 (sowing 60-90 kg/hm2), and the yield reaches 6750 kg/hm2. Above, you should select the seed meter with the eye wheel type and cone wheel type, and you can complete the precision seed drill with the procedures of rotary ploughing, trenching, sowing and repression. The choice of precision and precision seeder also varies depending on the power machine. The specifications for the precision and semi-precision seeders are designed based on the size of the tractor's power and the mounting method. When selecting, select the seeder that matches the tractor's power and the same mounting method according to the instructions or signs.
2. Use precision and semi-precision seeders to implement mechanical precision and semi-precision sowing, so that the seedlings will be even, seedlings, and seedlings strong, and can save seeds, reduce costs, increase production, such as wheat crops can be The species 25kg/hm2, cost savings 150 yuan / hm2, increase production 750kg/hm2. However, if it is used improperly, it will be counterproductive. The following introduces the technical points of the use of precision and semi-precision seeders. For reference only:
(1) Do a good job of maintenance before entering the field. First of all, to the tractor and seeder of the transmission, rotating parts, according to the requirements of the specification, add lubricants, especially before each shift should pay attention to the drive chain lubrication and tension and tighten the bolt on the seeder; Second, to clean up the planting The debris in the box and the grass and soil around the opener ensure good conditions.
(2) Do a variety of adjustments. First, according to the instructions and agronomic requirements of the user's manual, adjust the seeding rate; then adjust the depth of the rotary tillage, trenching, earth covering, and repression wheels; adjust the row spacing of the opener and horizontally The tightness of the transmission chain is moderated.
(3) Do a good job of piloting the field. In order to guarantee the quality of sowing, before sowing a large area, it is necessary to insist on a trial broadcast of 20m. Please contact the agricultural technicians, farmers, etc. to check and confirm that they meet the local agronomic requirements and then conduct extensive sowing.
(4) Pay attention to adding seeds. Add seed to the seed box to ensure that the seed is not effective, and then to ensure the effectiveness of the seed; and then add the amount of the seed box to at least be added to cover the entrance of the seeding box to ensure smooth seeding.
(5) Pay attention to a straight line running at a constant speed. The operator selects the walking route of the job and should ensure the convenience of adding the type and mechanical access. When planting, pay attention to uniform speed and straight line, and do not stop or stop midway so as to avoid replay and missing broadcast; in order to prevent the opener from plugging, the seeder The lift should be operated in the process of traveling, turning backwards or turning, and the planter should be lifted. If openers, repulsion wheels, grass or clay are found, they should be cleared in time. The precision and semi-precision seeder should not sow at night.

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