A huge number of dishes without traditional herbs will not only lose their spicy taste, but they will not be as healthy as before. This may explain so reverent attitude to such cultureslike dill, parsley and onions.
If we talk about growing in greenhouse conditions, then it will be probably the easiest to get a high yield of onions.
Despite the fact that in the spring and summer, this culture with success brings harvest in the form of green feathers and in open ground, the amount of harvested greenery increases significantly if it grows in a place protected from adverse weather conditions. In addition, onions can successfully grow in a greenhouse, not only in summer and spring. So, today it is becoming more and more popular to grow onions from seeds in a greenhouse for greens, throughout the year.
The advantages of the greenhouse method
- high crop yield;
- possibility of using shelving;
- the ability to grow onions and harvest throughout the year;
- opportunity to grow onions all year round for sale.
Onions contain many vitamins and nutrients. Regular consumption of this culture in food allows prevent colds. It is added both in fresh salads, and in soups, pies, main dishes.
Onion types suitable for greenhouse cultivation:
- slizun onions;
- onion;
- batun bow
Preferred for year-round cultivation in greenhouses traditionally considered a slizunas this view allows you to enjoy fresh greens year-round.
The onion batun is also capable of producing a good harvest in the cold season, but it is customary to plant it for the winter not earlier than the beginning of December: this species prefers to rest a little over a month in a year.
Onions are also suitable for winter or autumn planting, it has excellent taste and high yield.
How much does green onion grow in a greenhouse? Already three weeks after planting the culture, regardless of the species, must reach technical maturity. In this case, the length of greens will be about 30 cm. The yield of green onions from 1 sq. M in the greenhouse to 5 kg. With one planting greens removed at least 5 times. How to grow green onions in the greenhouse in the winter, consider below.
Thanks to the opportunity to grow a culture in such a short period of time, we can rightly assume that the cultivation of feather onions in a greenhouse has become the most cost-effective and optimal in our capricious weather. Use of racks in the greenhouse due to practicality and obvious savings in space, energy and soil, while maintaining maximum yield.
What should be the greenhouse?
How to grow green onions in a greenhouse? First of all, it is necessary to arrange a greenhouse in such a way that the seedlings are reliably protected from cold and other adverse weather conditions. Due to the fact that light day lasts much less in winterthan in the spring-summer period, it is necessary to install fluorescent lamps or phytolamps.
If the temperature in the greenhouse during the day is below 19ºC, and at night it does not reach 12ºC, then additional heating must be installed. How to organize photosynthesis of plants in the greenhouse, read on our website.
Useful video!
Selection and preparation of seeds
In the event that onions are planted with seeds immediately into the soil, for a start you must choose the appropriate type and varieties of onions. If you decide to grow a batun onion, for example, the Maysky-7 and Gribovsky-21 varieties will do; if there is a desire to grow onions, then you can take the seeds of Strigunovsky local or Bessonovsky harvest. Thereafter the seeds are washed and soaked for a day in slightly warm water.
The soil can be pre-fertilized and moistened. Planting onions in the greenhouse, is as follows:
One of the conditions for obtaining a decent harvest in the future is fertilizing. It can be produced twice for the entire period: immediately after planting or just before placing the seeds in the soil and 10 days later. As a fertilizer common manure will do, ammonium nitrate.
Both components are diluted with water in the ratio of 1:30. Some gardeners also like to add wood ash to the ground, but it is recommended to use it to enrich the soil before the crop is planted.
Onions love moisture, but an overabundance of water can do him harm. Watering the soil is carried out with water at room temperature (approximately 25ºC) several days as the soil dries.
Growing onions for greens
How to grow onions on a feather in a greenhouse in winter? To grow onions in the greenhouse in winter, it is initially necessary to determine the materials from which the greenhouse will be made. Good material for the design basis are considered metal base and framemade of polycarbonate.
The basis of wood has a lower strength and durability, but there is a way out: the frame can be coated with a primer, so it will be able to serve longer.
As a covering material it is permissible to use conventional film, glass and polycarbonate. The film will have to be changed every year, the glass will last for several years, but it is also subject to destruction and deformation due to possible strong gusts of wind, hail, and snowfall. Polycarbonate today is one of the most practical and durable covering materials.
Heating in the greenhouse can be carried out using electric heaters or gas. Sometimes it is possible to retain heat with a conventional wood-burning stove.
Watering is carried out as the land dries with warm moderately water. Top dressing is carried out at least 2 times over the entire period. In order to optimize the costs spent on growing onions in a greenhouse in winter, it is considered very effective use of high-altitude greenhouses, allowing to install inside additional racks for growing onions on the feather.
In general, the cultivation of onions for greens in the greenhouse throughout the year - simple task. In order to harvest regularly and get onion forcing, it is enough to set up a well-equipped greenhouse, choose seeds of suitable species and varieties of onions and prepare the soil well for planting. Following these three conditionsYou can collect onion greens in abundance in winter and summer.
The technology of growing green onions in the greenhouse in the video below: