In summer, greenhouses are generally ventilated day and night, and the possibility of ammonia gas produced after chicken manure is applied has no longer existed. Considering the advantages of fertilizer nutrients, top dressing should be the first choice for chicken manure. But in the application must pay attention to the following points:
The application amount and application method should be scientific and reasonable. When chicken manure is used as top dressing, it can generally be flushed with water. It is appropriate to use 200-300 kilograms of fertilizer per acre. A concrete pool with a square meter can be built at the entrance of the greenhouse, and a small mouth is left on the pool. When the topdressing is applied, chicken manure is poured into the pool and the chicken manure is directly flushed out of the small mouth to make it flow into the vegetable bowl. It should generally be applied in the morning.
Before the chicken manure is applied, it must be fully decomposed and a large pit can be dug outside the shed. After the chicken manure is poured, it is covered with a plastic film. After 20-30 days, chicken manure can fully decompose. It is also possible to use biological decoction agents such as Radiator Antibiotic 968, which results in better decomposed effects.
Note that the use of chicken manure in combination with other fertilizers, although rich in organic matter and good fertilizer efficiency, is also deficient in that nitrogen, phosphorus, and potassium are relatively few. Therefore, attention should be paid when using potassium fertilizer, especially the fruiting period of eggplant vegetables, the amount of potassium needed is larger, and 8-10 kilograms of potash can be mixed per mu when chasing chicken manure.
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