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What are the techniques for applying foliar fertilizer? Master these spraying methods
What are the techniques for applying foliar fertilizer? Please guide the method. When spraying foliar fertilizer, you can refer to the following methods: 1. Match the remedy to the problem. To promote early development or increase the thousand-grain weight later, you can spray nitrogen fertilizer and phosphorus fertilizer; to enlarge leaf area and promote vegetative growth, you can choose to spray nitrogen fertilizer and potassium fertilizer; to prevent and treat...
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What are the precautions for applying compound fertilizer?
How should compound fertilizer be applied reasonably? Please introduce the application methods. Compound fertilizer has comprehensive nutrients, high content, and good physical properties, but during application, three issues should be noted: First, select the variety of compound fertilizer according to the soil and crop, only in this way can its fertilizer efficiency be brought into play. Rice, wheat, corn (2348,3.00,0.13%...
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What should be noted when applying urea as a foliar fertilizer?
What should be noted when applying urea as a foliar fertilizer? Please explain. When applying urea as a foliar fertilizer, note the following: do not spray in extremely hot weather or before rain, to avoid burning the seedlings or losing fertilizer nutrients. The best time to spray is in the early morning or afternoon each day, and spray again 7~10 days after the first application. For cereal crops...
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Proper methods for applying foliar fertilizer in grape cultivation
How should foliar fertilizer be applied in grape cultivation? Please introduce the methods. The main advantages of foliar fertilization are: rapid fertilizer effect, remarkable results, labor and fertilizer savings, and it is not affected by soil fixation or root absorption function. The disadvantages are: it is greatly affected by wind, air humidity, and temperature. Foliar fertilization can not only promptly treat fruit trees'...
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What are the methods of applying organic fertilizer to fruit trees?
How should organic fertilizer be applied to fruit trees? Please give guidance. Fruit trees need a balanced supply of nutrients. Although organic fertilizer is very rich in nutrients, the ratio and content of nitrogen, phosphorus and potassium cannot fully meet the growth needs of fruit trees. Especially during the piling and decomposition process of organic fertilizer, the nitrogen content will further decrease. If applied alone...
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What are the correct methods for applying water-soluble fertilizer by flushing?
How is flush-applied fertilizer used? How can it be applied for better results? Please give guidance. The following methods can be used for reference when applying flush fertilizer: combine topdressing with flush fertilization. Choose high-quality fertilizers, mainly multi-element compound fertilizers, and adopt a combination of topdressing and flush application. On the one hand, this solves the nutrient needs of surface roots; on the other hand...
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Correct methods for applying flushing fertilizer to greenhouse vegetables
How should greenhouse vegetables be given flushing fertilizer? Please advise. In greenhouse vegetable production, many farmers apply flushing fertilizer too frequently and in excessive amounts, often causing soil compaction, root rot, root suffocation, and plant wilting, which seriously affects farmers' economic returns. For this reason, it is recommended that in greenhouse vegetable production, fertilization should achieve the "four combinations."...
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What are the precautions for applying diammonium phosphate?
What should be noted when applying diammonium phosphate? Please explain that the following three points should be noted when applying diammonium phosphate: 1. Diammonium phosphate must not be mixed with alkaline fertilizers, otherwise it will cause nitrogen volatilization and also reduce the fertilizer efficiency of phosphorus. 2. For crops that have already been applied with diammonium phosphate, during the middle and late stages of growth, generally only an appropriate amount of nitrogen fertilizer should be supplemented, and no additional phosphorus fertilizer is needed.
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What happens after applying high-concentration phosphate fertilizer?
What happens when high-concentration phosphate fertilizer is applied? Please explain that the main component of ordinary superphosphate is monocalcium phosphate, and the fertilizer contains 14%-18% phosphorus; the secondary component is calcium sulfate, accounting for about 50%. Therefore, applying ordinary superphosphate not only provides crops with phosphorus nutrition, but also allows crops to obtain sulfur nutrition. However, superphosphate...
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What precautions should be taken when applying potassium sulfate?
What should be noted when applying potassium sulfate? Please give guidance. Potassium sulfate is a high-quality potassium fertilizer with a relatively high potassium content. Potassium sulfate is a white crystalline substance, with a K2O content generally between 50% and 52%. It is easily soluble in water, has low hygroscopicity, and does not easily cake, giving it better physical properties than potassium chloride. Potassium sulfate is widely suitable for various...
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