Solanaceous vegetables old plant regeneration technology
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After the pepper, eggplant and tomato are regenerated with old plants, the yield increase effect is significant, and the harvest season after regeneration is the off season of fruit and vegetable production. The price is high and the benefit is doubled. The regeneration of old strains requires that the plants have strong regenerative capacity. In the first half of the regenerating period, 15 kg of ammonium nitrate, a nitrogen-containing fertilizer, should be applied to maintain sufficient fertility in the soil and promote the emergence of new shoots in the roots. Regeneration time is also very important and should be performed when the fruit of the plant is basically harvested and the base shoot has germinated. If the shoots are too young, they will grow slowly; if they grow too late, the sprouts will grow too high and they will easily grow into tall seedlings, which will have a greater impact on the later production. Remove old strains from the field, leave a strong seedling for each hole, and remove all remaining seedlings. Second, we must prevent the occurrence of diseases. A thick (10-20) x 10 920 or 10(k) methyl double mop can be sprayed once every 7-10 days. As the regeneration of the new seedlings grows during the high-temperature and rainy season of July-August, the seedlings grow too fast and are prone to growth. Spraying 50% of short-strength element 200~2500 times should be applied depending on the situation to control growth and cultivate strong seedlings. Lay the foundation for high production in the later period. In the early bud stage, water should be added to increase the yield, and then 15 kg of ammonium nitrate should be applied. If conditions permit, some organic fertilizers may be applied as appropriate. Pest control is the same as in the previous period. In addition, for the severe defoliation, drop, fruit drop, no-harvesting, and production-value fields caused by pests and diseases, the regeneration of old plants can be carried out earlier. The method is the same as above.