Onion cultivation

Native to central Asia, the  onion  is one of the oldest vegetables we know of. The allium Cepa onion belongs to the liliaceae family: a biennial plant widely cultivated in countries around the world.

The first year of cultivation takes place the bulb formation or bulb formation process, while the second year the reproductive phase takes place. Today the onion is one of the most cultivated vegetables due to its easy cultivation and its culinary value.

Onions are sown in the seedbed from February to March and transplanted from May to June (or when they measure 15/20 cm), harvesting from September to October. If we choose the early variety, we sow from August to September, transplant from November to January, and harvest from May to July.

When associating it with other crops, we will bear in mind that it gets along well with most vegetables: tomatoes, carrots, aubergines, melors, watermelons, leeks, cabbages, cucumbers or lettuces. But in addition, onions are very interesting for the maintenance of the garden itself, as they provide great richness to the soil through the microcorrhizae that their roots have and also protect against some pests. We will avoid sowing it near legumes such as peas, beans or broad beans, because the excess nitrogen harms the formation of the bulb.

Regarding the light requirements , the onion needs full sun.

With  water we must be restrained and puddles should be avoided since onions are very sensitive to excess water. We will water frequently but scarcely, during the summer we will do it more frequently, but in other seasons we will leave more space between watering and watering. It is important that the soil has good drainage so that the water does not puddle and the onion bulb does not rot.

Another important point is the fertilizer , the use of  ashes  is an excellent option, due to the amounts of potassium and nitrogen that they present and for their contribution when it comes to helping with the development of the bulb.

Onion may suffer plagues of thrips, onion maggot, aphids, mites or snails. Here you can see ecological remedies to combat them.

When we see that the leaves begin to dry, it is indicating that the onion can be harvested.


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