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How to prevent and control angular leaf spot of winter melon? First, recognize the disease symptoms
Symptoms: It mainly affects leaves, petioles, and fruit. It can be affected from the seedling stage to the mature plant stage. When true leaves are infected, bright green water-soaked spots appear first, gradually turning light brown; the lesions are restricted by leaf veins and become polygonal, yellow-brown, and when humidity is high, milky white cloudy water-drop-like bacterial ooze exudes from the underside of the leaves, and the diseased tissue is brittle and easily perforated. When stems and petioles are infected, ...
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For kidney beans, remove leaves first, then pinch the growing tips: earlier harvest brings higher returns
Currently, greenhouse-cultivated kidney beans are in the vine-extension and flowering stage. How can you ensure a bumper harvest? Here, the reporter suggests that vegetable growers grasp the following key measures for management. First, pinch the tips at the right time. Greenhouse kidney beans and open-field kidney beans have different cultivation environment conditions. Because the temperature inside the greenhouse is higher, the growth rate...
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Effectiveness of first supplementing then regulating when watering kidney beans
Vegetable growers often say, "Water kidney beans at the pod stage, not at the flower stage." Based on several years of experience and theoretical exploration, the author believes that "water kidney beans at the pod stage, not at the flower stage" should become a thing of the past. The reason is: with the advent of humic acid foliar fertilizer, it can be directly absorbed by the leaves and stems, and high concentrations of humic acid foliar fertilizer can inhibit vegetative growth and promote...
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