Why does the problem of snoring happen when planting corn with urea?
What role does irrigation and cultivator play?
Maize seedlings appear to snoring is to make ammonia dissolved ammonia out of smoke. Because the maize seedlings are young and the young leaves are close to the ground, while the amount of urea is large, and they are applied on the surface of the soil, only a small amount of surface water is poured during the high temperature season. It is impossible to leaching the granular urea into the depths of the soil. Can dissolve large amounts of urea at the surface. Calcareous soil is a kind of alkaline soil. The dissolved urea molecules decompose rapidly under high temperature to produce a large amount of ammonia and carbon dioxide, resulting in smoked seedlings.
In this case, the conditional plot is first watered and the soil is cultivated. Not only can dilute nitrogen fertilizer, but also ventilation can promote root growth. In the case of plots without irrigation, immediate adoption of measures for soil cultivation after deep cultivating can keep nitrogen from reducing ammonia volatilization. Case Tip: Urea is a high-concentration nitrogen fertilizer for topdressing, and the amount of application should be appropriate at one time. Calcareous soils are alkaline and use urea and ammonium nitrogen fertilizers as top dressings.
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