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What diseases should be prevented and controlled when growing tomatoes in summer?
What diseases should be prevented and controlled when growing tomatoes in summer? Please advise. For reference, the following diseases should be prevented and controlled when growing tomatoes in summer: Viral disease: high temperature and drought are the primary conditions for the disease to occur. The suitable temperature for viral disease is between 38-43°C; below 35°C or above 45°C is not conducive to the disease. In daily cultivation management, ...
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How should lotus root cultivation be managed?
How should lotus root cultivation be managed? Please give a detailed introduction. Lotus root cultivation can be managed by referring to the following methods: For topdressing lotus root, apply fertilizer 2-3 times. The first time is when 1-2 standing leaves have grown, the second time can be before the rows close, and the third time is when the rear ridge leaves appear. Per 667 sq m (mu), for the first application use 200...
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What unfavorable weather conditions should be avoided when applying pesticides?
What do the letters on a pesticide label mean? Here is an introduction: (1) pH: indicates acidity and alkalinity. When the pH value equals 7, it is neutral; above 7, it is alkaline, and the larger the number, the stronger the alkalinity. Below 7, it is acidic, and the smaller the number, the stronger the acidity; (2) PPm: parts per million concentration. That is, the number of pesticide parts contained in 1 million parts of liquid or powder; ...
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What should be noted when pruning peach trees?
What should be noted when pruning peach trees? Please guide. When pruning peach trees, note the following key points: 1. The general shaping principle is "shaped but not rigid, unshaped but not chaotic," "large branches bright and open, small branches bustling." Fewer large branches allow more small branches. The general pruning principle is "prefer light over heavy," combining heavy and light. "Small branches bustling...
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How should peach trees be fertilized to achieve high yields?
How should peach trees be fertilized to achieve high yields? Please provide guidance. When planting peach trees, you can refer to the following fertilization methods: 1. Pre-bud fertilizer. Generally applied 15 days before the Beginning of Spring, this can both make up for insufficient or missed fertilization after fruiting and promptly replenish nutrient deficiencies in the peach tree. Generally, apply 0.5 kg of urea per tree...
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What should you pay attention to when buying black fungus (wood ear mushroom) spawn?
How do you inoculate cultivated black fungus? Please advise. Inoculating wood ear mushrooms means introducing artificially cultured mycelium onto sun-dried and stacked ear logs, so that it develops and establishes itself inside the logs and grows fruiting bodies. This is the most critical step in the artificial cultivation of black fungus and a major technological innovation in production; it takes effect quickly,...
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How should shiitake mushrooms be inoculated?
How should shiitake mushrooms be cultivated? Please advise. I. Main features of shiitake cultivation: 1. Saves resources and uses a wide range of materials. All miscellaneous shrubs, tree branch wood, and crop straw can be used as production materials. 2. Short cycle and quick results. For substitute substrate cultivation of shiitake, from preparing materials to finishing harvest takes less than a year, and capital turnover is fast. 3...
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How should fertilizer be applied when growing lotus root?
How should fertilizer be applied when growing lotus root? Please provide guidance. When growing lotus root, you can refer to the following methods for fertilizing: The growth and development of lotus root is divided into 3 stages, namely the sprouting stage, the vigorous growth stage and the lotus root formation stage. The sprouting stage runs from plant sprouting to the appearance of standing leaves. After the standing leaves appear, the lotus root grows new roots and mainly relies on the nutrients stored in the lotus root; the vigorous growth stage runs from the plant...
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How should Welsh onions be watered and fertilized in autumn to grow well?
How should Welsh onions be watered and fertilized in autumn? Please give an introduction. The focus of autumn field management for Welsh onions is promoting root growth, building strong plants and earthing up for blanching, strengthening water and fertilizer management, and creating suitable environmental conditions for the formation of the white pseudostem, thereby increasing the yield and quality of Welsh onions. After the Welsh onions are planted out, they enter summer, and at this time the management...
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How should scallion cultivation be managed to achieve high yields?
How should scallion cultivation be managed to achieve high yields? Please provide an introduction to the methods. After scallions are planted between Grain in Ear (early June) and Minor Heat (early July), to obtain high-yield, high-quality marketable scallions, in addition to selecting good soil, crop rotation, and varieties, field management is especially important. Here are a few points: 1. Watering During the seedling recovery stage of scallions...
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