Application of high-nitrogen compound fertilizer in corn should pay attention to what issues

At present, there are various types of high-nitrogen compound fertilizers on the market. Their common feature is high nitrogen content and is suitable for one-time application or as a top-dressing fertilizer for corn. However, the problem to be noticed is that high-nitrogen compound fertilizers are generally ammonium-based or urine-based compound fertilizers, and biuret is easily formed during the production process. If too much fertilizer is applied once, it can easily cause burning of seedlings. Therefore, application of high-nitrogen compound fertilizers is required. Avoid burning seedlings. When using high-nitrogen compound fertilizer as base fertilizer, it should be separated from the seed by 3 to 5 cm; when top dressing is applied, it is best to apply deep ditching between corn rows at the seedling stage or jointing stage.

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