Selection of grafted seedlings to control soil-borne diseases and insect pests
According to practice, the effective way to overcome the disease of the sacred fruit is to introduce grafted seedlings. In addition, grafted seedlings can be combined with external fertilization for pest control before 3 to 5 days before transplanting. Spraying 75% chlorothalonil WP 600-800 times liquid + 50% carbendazim WP 500~ 600 times liquid + 10% imipenem 1000 times liquid and the like are controlled. When the soil is used for hoeing, the base fertilizer should be applied with the model of organic fertilizer and compound fertilizer, and the planting ridge with a ridge width of 1.6 to 2 meters (including ditch) should be used to open the ditch along the planting surface and combine with the nematode. Evenly spread the film.
In order to control the main pests and diseases of the sacred fruit, it is recommended that "the main focus is on agricultural control, supplemented by chemical control", that is, the selection of varieties with strong disease resistance, the selection of new land planting without the genus Solanaceae; scientific irrigation, rational fertilization, Add organic fertilizer as base fertilizer and phosphorus and potassium fertilizer, avoid partial application of nitrogen fertilizer, supplement the foliar fertilizer containing calcium, magnesium and boron, promote plant robust growth and improve crop resistance.
Stage topdressing balanced nutrition promotes high yield
It is understood that the yield of the saint fruit is 4,000 to 6,000 kg. Due to its short growth cycle and large fertilizer requirements, adequate nutrient supply should be provided at all stages of growth. Shengmei fruit topdressing should be based on quick-acting compound fertilizer, seedbed base fertilizer to seedling fertilizer, 15-15-15 potassium sulfate type compound fertilizer can be used, and in the flowering period and strong fruit period, 18-6-18 high nitrogen and high potassium compound can be used. fat.
After the first flower of the sacred fruit is placed on the fruit, 10 kg of high-nitrogen and high-potassium compound fertilizer is applied in combination with the watering mu, and when the second ear flower is turned, the same cult is applied with 10 kg to promote fruit development. After the ear fruits, 10 kg of topdressing is required. Because there is a difference in the demand for nutrients in each growth period, the nitrogen fertilizer is concentrated in the early stage, and the potassium fertilizer is added in the later stage. At the same time, the medium and trace elements should be added to enhance the quality and flavor of the fruit.
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