Symptoms of premature aging: Tomato progeria is mainly characterized by fine stalks, thin growth points, few lateral branches, thin and thin leaves, yellowish color, sometimes with knob-like protrusions on the leaves, and prone to cracking, empty and stagnant fruit, and plant resistance. Reduced sex. The cause of premature aging is caused by improper fertilization and inappropriate breeding measures.
Strong seedlings cultivation: reasonable control of young seedlings, can increase the area of ​​nursery bed, appropriate control of watering, increase the spacing of the seedlings and other measures. And in the growing period of the plant timely spray Huan Wang No. 3 inhibition of the main tip prosperous and promote flower bud differentiation. The use of white sugar in tomato colonization is not only beneficial to the production of adventitious roots in tomatoes, but also promotes easing of seedlings, prevents premature aging of tomatoes, and can change the quality of tomatoes to enhance tomato resistance.
Rational fertilization: Under the premise of the nitrogen, phosphorus, and potassium fertilizers needed for the growing period of tomato, it is necessary to increase the maturity of organic fertilizers, and spray a new high-fat membrane to improve the effect of fertilizer, and spray the vegetables before blooming. Ling improves pollen quality, enhances the rate of fruit set in circulation, and increases the ability of plants to resist decay.
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