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The line pepper production four questions and answers
Q: What is the impact of continuous hot peppers? A: First, the disease is aggravated, such as virus disease (mottling disease), epidemic diseases, etc., causing a large number of dead seedlings; Second, the composition of inorganic nutrients in the soil changes, often the lack of calcium, magnesium, boron, aluminum, manganese, iron, etc. Resulting yellow leaf, mosaic, leaf rolling, falling flower, fruit drop, low yield; Third, continuous cropping will reduce soil organic matter content, soil porosity decreased, buffer capacity decreased, root development blocked, affecting yield and quality. Q: How can I overcome the dangers of continuous chili crops? One is to increase organic fertilizer and enhance soil buffer capacity; the other is to deepen the soil; third is to deepen the base fertilizer and increase the top-dressing limit; fourth is to promote extra-root fertilizer; and fifthly, to cover the straw on the ground. Q: After the flood (heavy rain), the death of pepper seedlings is a thing of the past? A: From July to August, after the flood or heavy rain, the pepper plots often appear dead. If the irrigation volume is large, the number of flooding irrigation is large, or the rainfall is heavy, the amount of rainfall is heavy, then the incidence is heavy. At high temperatures, the flood death rate can reach 100%, which is mainly the result of an outbreak of pepper disease. To prevent this from happening, one is to strictly level the land and avoid low-lying plots of water in the fields; ridge cultivation, plant length on ridges; application of microbial fertilizers (such as biological nitrogen-fixing, biological potash, etc.), inhibition of pathogenic microorganisms, and stimulation of root growth , improve soil permeability. The second is reasonable watering, water control, shallow water irrigation, should not flood irrigation, string water dip irrigation or drainage water runoff. The third is to combine irrigation, apply copper sulfate to irrigate the roots, and use 1-1.5 kg of copper sulphate to add a little fine earth to the ground and then lightly fill. The fourth is to spray 5% of the poisonous copper 1000 times or 64% of the poisonous aluminum copper 250 times, etc. to control (or use aluminum phosphonium manganese zinc, metalaxyl manganese zinc, agricultural resistance 120). Q: Can chili pepper mosaic disease prevent it? A: The “chicken mosaic disease†of pepper is commonly known by the public. Its scientific name is “virus disease,†and it is mainly transmitted through insect-borne insects such as locusts, which cause extensive damage. According to the current practice of cultivars, system control measures should be taken: first, deep-turn balanced fertilization; second, actively promote the interplanting of wheat, pepper, and corn; third, early planting at an appropriate date; fourth, spraying pesticides in time for pest control; Fertilizer compound solution, that is, from the colonization to the fruit before the maturity of sprayed 0.6% mifepristone, 0.6% potassium dihydrogen phosphate, 0.1% of zinc sulfate, magnesium sulfate, ferrous sulfate and sodium sulfite and other compound liquid. But the most fundamental measure is still rotation.