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Radish in a polycarbonate greenhouse: when and how to plant seeds to get a good harvest?

Radish in a polycarbonate greenhouse: when and how to plant seeds to get a good harvest?



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Radish occupies an important place in the diet of people. Its delicious taste and richness in vitamins have made it very popular. It can be found in first courses, in salads, and as an independent snack. Adults and children are very fond of this specific vegetable crop for its unusual, refined taste.

Moreover, this vegetable is easy to grow. To do this, you need to know the basic rules of radish agricultural technology. We will tell you how to properly plant and grow radishes in a polycarbonate greenhouse.

Features of growing indoors

Growing in a greenhouse and polycarbonate has its own characteristics. The most important difference is that the cultivation takes place in greenhouses.

Also, due to the high degree of heat conservation in such a greenhouse, you can start growing radishes earlier than in a conventional one. This the greenhouse makes it possible to grow radishes all year round with heating.

The advantages of building from such material

  • Easy to install.
  • Strength.
  • Durability.
  • Does not rust.
  • The ability to reinstall to another location.
  • Long service life.
  • No need to disassemble for the winter.

What is better than ordinary greenhouses made of film?

  • Possibility of year-round use and harvest.
  • Collecting fruits in cold weather, when the price is especially high.
  • You do not need to constantly change polyethylene, and be afraid of damage.
  • More stable microclimate conditions in the greenhouse.

When is the best time to sow radishes - in autumn or early spring?

The optimal time for sowing radish crops is spring, this is due to the biological characteristics of this plant. The optimal timing for planting radishes is not earlier than the end of March - beginning of April. (read more about planting radishes in a greenhouse in April here, and for more details on how to plant radishes in a greenhouse in spring in a greenhouse with and without heating, find out in this material). You can also plant it in the fall, before winter (in September). Radish is a frost-resistant vegetable, its seeds can withstand a drop in ambient temperature to minus 5 degrees.

The main feature of planting radish in spring is that after harvesting it, you can plant other vegetables (potatoes, cabbage, eggplants) on the same territory. Radish crops are considered a good precursor for many types of vegetables. This vegetable has a very short growing season. And the time of its collection just coincides with the beginning of planting of other crops.

This enables gardeners to reuse the same plot of land twice. Radish is very picky about temperature values... The optimum temperature for growth is 15-18 degrees.

If the temperature is higher, then this plant begins to grow foliage very quickly, and the vegetable itself does not grow well. Sowing is best done in early spring. When planted in late spring, radishes are negatively affected by long daylight hours and high temperatures. This is reflected in the size of the root crop.

To grow radish crops, you need a short daylight hours. With a long daylight hours, the foliage grows strongly in radish, and, on the contrary, the root crop develops worse.

In Siberia

Sowing seeds is possible when you can create the optimal temperature in the greenhouse for growing this vegetable. It all depends on the outside temperature and the heating system of your greenhouse. With a good heating system and light frost, you can start sowing seeds.

It all depends on the heating system of the greenhouse, if you can maintain the desired temperature inside, then no frosts are terrible for you. In severe frosts in the greenhouse, it is very difficult to maintain the desired temperature, it also requires large material costs, and in general is not profitable. The optimal time for planting in a greenhouse is mid-March..

In central Russia, Moscow region and Leningrad region

In central Russia, conditions for growing radishes in a polycarbonate greenhouse are more suitable. In this region, it is possible to grow radishes in a greenhouse in winter, while maintaining the required temperature conditions. The best time to plant in a greenhouse is early March.

In the Urals

The conditions of the Urals are harsher than those in Central Russia, but more favorable than in Siberia. You can start planting radish crops as soon as it becomes possible to maintain the optimum temperature in the greenhouse. It is recommended to plant in a greenhouse in March.

And in more detail about when to plant a vegetable correctly and what the timing depends on, read here.

The best varieties of radish

Variety selection rules:

  • the variety must be frost hardy enough to withstand unexpected drops in air and soil temperatures in the greenhouse;
  • sufficient yield;
  • good taste;
  • resistance to pests and diseases;
  • quality and reasonable price of seed.
"Heat"early variety, ripens in 20 days. The color of the fruit is crimson, the flesh is pinkish. The taste is slightly spicy.
"Premier"frost-resistant, has a pungent taste. Resistant to pests.
"Volcano"late-ripening variety, has very large roots weighing up to three hundred grams, resistant to pests and diseases.
"Saksa"mid-season variety, fruits ripen within one month. The pulp tastes good.

Step-by-step instruction

Where and how much can you buy?

It is recommended to buy seed from trusted and reputable manufacturers and suppliers.... This will protect yourself from scammers who can sell you one variety instead of another, or sell low-quality seeds that will grow poorly or will not germinate at all. It is better to buy seeds of well-known varieties that have already been tested and give a high yield.

In the capital region, as well as in St. Petersburg, radish seed (package weighing 3 grams) can be purchased at a price of 11 to 36 rubles. Prices vary depending on the variety and supplier. The same variety may have different prices from different suppliers.

Preparing seeds for planting

Before planting the seed in the soil, it must be sorted and sorted out. It is necessary to separate large seeds from small and defective seeds... Large and healthy seeds, 3 mm in diameter, give good shoots and a rich harvest. Small and old seeds give a low yield and are prone to flowering (for more details on how much radish grows in the greenhouse, and when the first harvest appears, read here).

Some gardeners do not carry out pre-planting seed treatment. But to improve the germination of radish seeds, you need to stand for 1 day in a damp cloth. They can also be kept in water for fifteen minutes at a temperature of 45 degrees - this will increase the percentage of seed germination.

Soil preparation

To plant radishes, you need to dig up the soil and harrow. When grown in greenhouses, they use manual digging of the soil and processing it with a rake to crush large lumps of earth.

The introduction of manure into the soil is permissible only 1 year before planting radishes, but not before. This is because radishes do not react well to fresh manure.

It is recommended to fertilize the soil in autumn with potash and phosphorus-containing fertilizers (superphosphate and potassium nitrate). Top dressing must be carried out strictly according to the instructions for the use of this product.

How to plant?

  1. On the pre-treated greenhouse planting area, straight furrows are created with a depth of 2 centimeters.
  2. A small layer of sand and ash should be poured onto the bottom of the furrows.
  3. The distance in the row between the seeds should be 5 cm. The row spacing is 15 cm. After planting, the seeds are covered with earth with a layer of 1 centimeter.

Radishes planted too deeply produce roots with a fibrous structure. Planting is carried out, as a rule, manually. From the inventory you need: a rake, a hoe. After planting, the beds need to be watered and mulched to maintain moisture in the soil.

Below you can watch a video on how to plant radishes in a greenhouse:

Young plant care

Moderate watering of the radish is carried out once every two days. you need to prevent the presence of weeds in the garden and remove them in a timely manner. With thickened plantings, it is advisable to thin out crops.

If the daylight hours are too long, it is advisable to reduce the lighting time - after 18 hours, cover the beds.

When diseases and pests appear, it is necessary to immediately process the plantings with the use of insecticides and fungicides. Radishes tend to accumulate nitrates in fruits... Therefore, it is undesirable to feed it with nitrogen fertilizers. Fertilizers should preferably be applied to the soil in the fall before spring planting using potassium nitrate and superphosphate. And how to feed the plant after germination in the greenhouse and in the open field, read here.

reference... With a lack of moisture in the soil, radishes tend to bloom.

Possible problems and difficulties

  • damage to the greenhouse - despite the fact that these greenhouses are resistant to mechanical damage, but in case of damage to the walls, it takes longer to restore them than polyethylene greenhouses;
  • frosts - prolonged frosts can reduce crop yields;
  • pests and diseases - may affect radishes, but timely control of them will minimize damage.

Subject to the cultivation techniques and favorable conditions, you will definitely get a rich harvest and will not have any problems.

Growing radishes in a polycarbonate greenhouse will allow you to get your harvest at the earliest possible date. That will make it possible to realize the harvest at a high price. You will also get tasty and healthy vegetables that you have grown yourself.


Watch the video: How to Use a Jiffy Greenhouse to Start Seeds (August 2022).