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What symptoms appear when soybeans are deficient in boron and molybdenum?
What happens when soybeans are deficient in boron and molybdenum? Here is an introduction. Soybean boron deficiency: it causes leaves to become dark green and thickened, internodes to shorten, stunting, and clustered leaves to form. Flower buds turn white or light brown, and tissues become necrotic. In severe cases, scorch-like necrotic spots form along the leaf veins. Soybean molybdenum deficiency: the leaf color between the veins becomes paler and turns yellow, ...
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What happens when sunflowers lack nutrients during cultivation?
What happens when sunflowers lack nutrients? Here is a detailed introduction. Sunflowers show the following symptoms when lacking nutrients for reference: with nitrogen deficiency, growth is slow at the seedling stage, the plant is slender and weak, the leaves are small and thin, showing yellow-green or light green; with nitrogen deficiency in the mid-growth stage, the lower leaves turn yellow early, the flower head is small, and the growth of vegetative organs deteriorates noticeably, caus...
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Autumn tomato cultivation techniques: when is the best time to apply foliar fertilizer?
When is the best time to apply foliar fertilizer to autumn tomatoes? Please give guidance and explain the reasons. Autumn tomatoes are affected by high temperatures, strong sunlight and dry weather, so flower drop, fruit drop and fruit cracking are relatively serious, and misshapen fruits and blossom-end rot fruits are also prone to appear in large numbers, with a low fruit-setting rate. If at this time a 25-30 times dilution of superphosphate mixed with dry, clean plant ash leachate, or a mixture of 300 times calcium nitrate, 500 times monopotassium phosphate, 800 times humic acid active liquid fertilizer, and 1500 times Shengnongsu chelated fertilizer, can be sprayed on the foliage once every 7-10 days...
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How should ginseng and American ginseng be fertilized when grown?
How should ginseng (American ginseng) be fertilized when grown? Please give an introduction. Ginseng and American ginseng are perennial herbaceous perennials with strict fertilizer requirements. Research by experts has found that they are potassium-loving plants, and their potassium uptake is far greater than that of nitrogen and phosphorus, meaning potassium is an important factor determining whether ginseng achieves high yields. Moreover, as the growing years increase...
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Growing flowers easily attracts mosquitoes? Add this, and mosquitoes will turn around and flee when they smell it
Huahua took a walk in the small garden in the evening, and in half an hour got bitten by mosquitoes several times, not to mention all kinds of small insects buzzing around, which is simply maddening! So, for the various mosquitoes and insects that often appear in the homes of flower lovers, today Huahua will teach everyone a few good methods to completely kill them, so that mosquitoes and insects never dare enter the home again!
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How do you carry out field management when growing corn?
How do you manage corn cultivation? Please explain in detail. When growing corn, you can refer to the following methods for management: 1. Thinning and final thinning of seedlings. Increasing planting density is an important measure for achieving high corn yields. The suitable density should be determined according to factors such as variety characteristics and soil fertility level. Thin and final-thin the seedlings in good time to ensure the planting density...
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What are the key points to note when planting sweet potatoes in autumn
What should be noted when planting sweet potatoes in autumn? Please give guidance. For autumn sweet potato planting, you can refer to the following methods: Select good varieties - choose early-maturing, high-quality, high-yielding improved varieties such as "Sushu 7", "Sushu 8", "Yusu 303", "Xushu 18", and "Yuzi 263 (purple-fleshed sweet potato)"; select sturdy seedlings with thick stems, dense nodes, moderate maturity, rich sap, free of disease, free of degeneration, and free of adventitious roots, with pointed tips and flat heads; plant different varieties separately.
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When is the best time to harvest sweet potatoes? Master the optimal harvest period
When is the right time to harvest sweet potatoes? Please give detailed guidance. The sweet potato harvest period can be determined by referring to the following methods for reference: 1. You can harvest based on soil temperature. When the soil temperature is around 18°C, the weight of sweet potatoes increases very little; when the soil temperature is around 15°C, the sweet potatoes stop expanding; when the soil temperature stays below 9°C for a long time, chilling injury will occur...
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What should be noted when planting jujube trees in autumn?
What should be noted when planting jujube trees in autumn? Please advise. The main points to note when planting jujube trees in autumn are as follows for reference: Key points for lifting seedlings: Try to avoid damaging the root system when lifting seedlings. To make planting easier, the main root can be trimmed slightly after lifting the seedlings, which helps the seedlings absorb water and can increase the survival rate. When lifting and transporting seedlings, ...
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What are the key points to note when growing and cultivating cilantro
What should be noted when growing cilantro? We ask experienced gardeners to share their advice. Zhongdiwang has compiled the points to note when growing cilantro, listed below for readers' reference. 1. Suitable temperature for growing cilantro: Cilantro, also known as coriander, is a cold-hardy vegetable that prefers cool conditions, with an optimum growing temperature of 12°C-26°C, but it also has fairly strong heat tolerance...
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