Don't let the onions be deformed

To reduce the production of deformed onions, we need to start from the following two aspects:

In terms of fertilizer and water management, it is necessary to pay attention to the rational application of phosphorus and potassium fertilizers, and avoid excessive nitrogen fertilizer, so as to avoid the occurrence of convulsions in the aboveground part of the ground or delaying the expansion of bulbs. Before the spring seeding onion seedlings are unearthed, the soil should be kept moist, watering and digging, and the onions should be fertilized and watered at the peak of the growth period of the leaves and the bulbs. The fertilized and watered should be applied in time. 20 kg, potassium sulfate 3 to 5 kg.

Strengthen the prevention and control of pests and diseases, mainly to prevent the hazards of mantle, and prohibit the use of manure as fertilizer. Because the mantle is tending to manure, it is best to use fully decomposed organic fertilizer and apply it evenly. When planting, the seeds are separated from the fertilizer. In the plot where the mantle has occurred, the wheat bran can be mixed with chlorpyrifos or phoxim, applied along the ridge, and watered immediately after application to eliminate the mantle and reduce the occurrence of deformed onions.


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