In recent years, China can develop rapidly. Whether it is in agriculture or other conveniences, it has greatly improved the growth. People have begun to work from artificial planting to instrumental operation. The following small series talk about the insertion of the late rice seedlings in Wuping County. High yield and efficient cultivation techniques. You can learn.
First, seedling machine cutting seedling technology
1. Variety selection. For low-altitude areas below 400 meters above sea level, you can choose medium-late late-maturing or mid-maturing varieties such as Zhongzheyou 10, Guangliangyou 676, Liangyou 667, Hengfengyou 387, etc.; the altitude can be selected from the altitude of 400-600 meters. Excellent 9775, Taifengyou 656, Quanyou 2689, Quanyou 1093 and other mid-early maturing or early maturing varieties.
2. Seed treatment. First planting, disinfecting, soaking seeds, and then germination until 90% of the seeds are broken and white can be sown. Seed disinfection can be soaked with 25% prochloraz 2500 times for 8 to 12 hours, or soaked with 40% strong chlorin 300 times for 12 hours, or 35% thiocarbamate 10 grams for 1.0 to 1.5 kg. At the same time, 50% dikesone 800 times liquid is used to disinfect the earthworm or the soil.
3. Seeding equipment. Use 2BD-300
Type or 2BD-600 seeding equipment, the size of the seedling tray is 61.8 cm × 31.5 cm × 2.5 cm, 448 holes per plate, and the bottom of the pupil has a "Y" hole that can be freely opened and closed.
4. Make nutritious soil. The nutrient soil can be made from 70% rice whole nutrient substrate + 30% rice field soil, or 60% rice whole nutrient substrate + 40% vegetable garden soil, or fish pond mud, or rice soil with better fertility.
5. Sowing at the right time. Generally, the late-maturing and medium-maturing varieties in low-altitude areas should be sown in the middle of June and 25 to 30 days old. The mid-maturing varieties and early-maturing varieties in the middle-altitude areas should be sown in the middle and late June, and the age is 20 to 25 days. 30-35 pieces of pans per acre, the seeding amount of each plate is 25 grams of hybrid rice, and 2 grains are seeded per hole.
6. Darken the breeding. Place the sown trays in a factory-made nursery greenhouse or other venues and stack them in a stack. The top is covered with an empty tray and covered with black film. The height is not more than 20 trays. The initial 6 hours temperature is maintained at 36 ° C, then reduced to 30 ~ 32 ° C, and finally fell to 20 ~ 25 ° C in the last 6 hours, after the completion of budding, greening and then moved to the seedling greenhouse or open field for breeding (pre-laying First lay the root net).
7. Seedling management. Fertilizer: In the open-air field, the 1.0-1.5 kg ternary compound fertilizer is used as the base fertilizer per acre of field, and mixed with the mud; 2 leaves 1 heart (early maternal variety 1 leaf 1 heart) and then spray 1% ~ 2% compound fertilizer. Water pipes: The mud in the early stage is moist, and the water control is prolonged in the middle and late stages. The surface of the plate is not white, the seedlings are not rolled, and the water is not watered. Before draining, the drainage promotes the packing of the roots. Chemical control: medium-late late-maturing variety 2 leaves 1 heart with 0.03% paclobutrazol, medium-early maturity variety 1 leaf 1 heart with 0.02% paclobutrazol for chemical control. Cover the insect net in time after the broadcast. Pay attention to the prevention and control of pests such as nursery, blight, rice locusts, and aphids.
8. It is suitable for the seedling machine to insert strong requirements.
The seedling height is about 20 cm, the leaf age is 4-5 leaves, the stem base width is 0.3-0.4 cm, the root system is developed, and the number of white roots per plant is 13-16, no pathological insects, the roots are well-knotted, and the roots are rooted. Complete, the body seedlings weigh about 5 grams.
Second, the seedling machine inserted into the field management technology
The general requirement is to achieve "strong, fine, stable, early, excellent, and strong."
1. Fine land preparation. Require field surface
Whole, no weeds and debris scum, fine and coarse on the topsoil, the upper and the bad. After the paddy field is leveled, it will be solidified. When the mud is sedimented, the topsoil is moderately soft and hard, so it is better to not trap the machine during operation. Keep the thin water machine inserted, the water depth is 1~3 cm when the machine is inserted, and it is necessary to prevent drips, scars, reinserts, and leaks.
2. Replenish seedlings in time. Some seedlings are reserved, and artificial seedlings are added after the machine is inserted to ensure the basic number of seedlings.
3. Reasonable close planting. Under the condition of line spacing of 33 cm, the plant spacing can be selected from 16.0 cm, 16.5 cm or 16.8 cm, and 12,000 to 13,000 bushes per acre, and about 3 seedlings per cluster, and 30,000 to 40,000 seedlings per acre.
4. Formula fertilization. Calculated according to the target yield of 500-600 kg per mu, generally 11 to 12 kg of pure nitrogen per mu, 4 to 5 kg of pure phosphorus pentoxide, 7 to 8 kg of pure potassium oxide, and relatively few basic seedlings for seedling machine insertion. However, the advantage of early birth and fast hair is strong. In the middle and late stages, the individual grows strong and has good ventilation and light transmission. Therefore, it is necessary to concentrate on applying the flower fertilizer. Generally 50% nitrogen fertilizer, 80% phosphate fertilizer, 40% potassium fertilizer is used as base fertilizer, 35% nitrogen fertilizer, 20% phosphate fertilizer, 30% potassium fertilizer for tiller application, 15% nitrogen fertilizer and 30% potassium fertilizer for panicle fertilizer application.
5. Scientific management of water. Implement shallow water transplanting,
Thin water promotes sputum, enough seedlings to rest the field, when the estimated number of spikes is 85%, the water starts to be broken. Repeatedly and repeatedly, the soil is not trapped in the field, and the leaves are yellow and faded. The water requirement for the booting stage is large. Keep the shallow water layer to meet the water requirement of the booting of the booting;
6. Control pests and diseases. Focus on the prevention and control of rice blast, sheath blight, bacterial stripe disease, rice planthopper, rice leaf roller, aphid and other pests and diseases.
Xiao Bian has to say that the national science and technology development is too fast. Now people do not need to use manpower for farming. All of them are mechanized, which greatly improves rice yield and saves labor costs. The above is about high-yield and high-efficiency of late rice seedling transplanting machine. Cultivation techniques, I hope to help the growers.
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