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Techniques and methods for soilless cultivation of balcony vegetables
? The soilless culture technology of balcony vegetable garden actually existed as early as the 1950 s. In 1960s, it was applied in advanced countries in the world, and gradually miniaturized and localized in 2 1 century. Balcony vegetable garden has become a brand-new family consumption fashion in China, Hongkong, Singapore, Japan and other regions and countries. Next, I will bring you the techniques and methods of soilless cultivation of balcony vegetables and collect them quickly. ? The balcony vegetable garden adopts new soilless culture technology and can meet the following basic conditions:

1, sunshine. ? Everything grows on the sun. ? If you plant some sunny plants in the balcony garden, such as tomatoes, eggplant, green peppers, green beans and so on. You need plenty of light. When choosing a balcony for planting, you must find a planting place with sufficient light. If the sunshine on your balcony is not enough, you can buy one called? Plant fill light? Equipment, the price of equipment is more than ten yuan. Of course, if the lighting conditions are insufficient, you can also choose to plant some shade-loving plants, such as carrots, mustard greens, lettuce, cabbage, ear vegetables and so on.

2. Temperature difference. Most plants grow at night. The temperature at night should not be too high, but it should be different from the temperature during the day, so that plants can breathe and grow better. In general, the indoor temperature should be kept above 15 degrees Celsius.

3. Equipment. Bought a whole set from a professional company? Balcony vegetable garden equipment includes seedling tray, seeds, nutrient soil, pressure pump, power supply, timer, nutrient solution, water level gauge, etc. Prices vary from 200 yuan to 1200 yuan depending on the vegetables.

4. Seeds and seedlings. Growers can buy all kinds of fruit and leaf seeds you need at Qiaoxi Vegetable Wholesale Market or China Grain and Oil Wholesale Market according to their personal needs. The seeds you buy can't be planted in clay particles immediately, and you need to go through a certain amount? Technical treatment? If the seeds of leaves grow after breaking ground, they can only be transplanted to equipment to continue growing. Before that, we should cultivate seedlings in the nursery. Wait until the seedlings grow 3? After 4 real leaves, it can be transplanted to professional equipment.

Plant at the wrong time and eat fresh vegetables every day.

? Balcony vegetable garden? Most people choose common cultivated vegetables, which can be roughly divided into two categories: fruit vegetables and leafy vegetables. Typical fruits and vegetables are green pepper, cucumber, pepper, tomato, eggplant and so on. Leaf vegetables include spinach, lettuce, rape, cauliflower, coriander and so on. When planting fruits and leafy vegetables, it is necessary to raise seedlings first, and the method of raising seedlings is roughly the same. Both need to soak the seeds in warm water first, and then raise the seedlings in a seedling tray. Take cucumber as an example. When planting cucumber, first soak cucumber seeds in warm water of about 50 degrees Celsius for 5? Soaking seeds for 6 hours can sterilize and stimulate seed vitality. Then put the seeds in the seedling tray. The seedling tray should be paved with moist nutrient soil in advance, and the humidity of the soil should be kept at the level of caking, but it should not be squeezed out by hand. Finally, cover the seeds with nutrient soil.

When raising seedlings, the indoor temperature should be kept above 65438 05 degrees Celsius, and there should be no strong light. Cucumber germination usually takes about 4 days, during which the soil needs to be kept moist. Wait until the seedlings grow 3? When there are 4 true leaves, the seedlings can be transplanted into professional equipment. (Reporter's Note: True leaves refer to leaves that can grow up. When the seeds just germinated, the two pieces that popped out were Ye Jia, which could not be counted. )

Planting fruits and vegetables is slightly different from leafy vegetables, and the growth cycle of fruits and vegetables is longer, about 70 days. The growth cycle of leafy vegetables is short, generally 20 to 30 days. During the planting of fruits and vegetables, automatic water circulation equipment should be installed in the equipment, and it should be circulated 5 times a day. 6 times, leafy vegetables only need 3? Just four times.

The seedling raising method of leafy vegetables is basically the same. It should be noted that after transplanting, due to the different adaptability of roots to the original environment and aquatic environment, and the damage to roots during transplanting, there must be a process of delaying seedlings, that is, do not expose them to the sun for the first three days, and shade them properly to avoid a large amount of evaporation of water. For 7 days, no nutrient solution was added, only water was used, and then the seedlings were cultured with nutrient solution after adaptation.

In addition, there are two kinds of equipment for growing leafy vegetables. One is vertical ceramic leafy vegetable planting equipment, which can grow 30 kinds of vegetables. There is also a water-soil combination display device, which can grow 40 kinds of vegetables at the same time. Because the maturity cycle of leafy vegetables is 20? 30 days, so it is suggested that residents can stagger the planting time to ensure that they can eat fresh vegetables every day.

When harvesting, you should know the maturity.

When harvesting, we should pay attention to distinguish whether vegetables are mature from color, texture and hardness. Some vegetables, such as tomatoes, peppers, fruits, etc., should be harvested when the fruits reach a certain hardness, which will soften when they are over-ripe, while cucumbers and kidney beans should be harvested when they are young and tender, with good taste. When harvesting Qingjiang vegetables and leeks, you can pick their leaves and eat them without pulling up the whole plant. After a while, the young leaves will grow out. When harvesting onions, leave two or three, and don't pull up the whole plant, so as to continue to sprout and grow.

Watermelon can be harvested when it grows to about 20 cm, and auricularia can be harvested when it grows to 30 cm. About 40 cm can be harvested, below 3? After the four leaves grow, cut off the top of the cabbage with scissors, and the axillary buds below can regenerate vegetable seedlings.

Self-made garlic water to eliminate pests and diseases

Pest management: 1. Diseases: Most diseases are caused by high air humidity, so it is very important to control humidity. Pruning plants frequently, keeping the whole plant ventilated and bright, and opening windows frequently to increase indoor air circulation can prevent plants from getting sick from the source. If some leaves or plants are found to be sick, they should be pulled out in time to avoid the expansion of their influence, while maintaining a good ventilation environment and replacing the nutrient solution in time.

2. Insects: Most pests come from soil and a small amount comes from air, so soilless vegetables are rarely infected. Weed in time and prune regularly to eliminate eggs, larvae and adults on diseased branches, dead branches and residual branches.

I have a little trick to get rid of insects at home? Garlic juice is used to control pests. For example, take 200 grams of garlic, chop it up, soak it in 10 liter of water for one day and night, filter it and spray it on the damaged plants. Spray several times a day for 5 days. Garlic 200? 300g, mashed to get juice, diluted with 10 liter of water, and sprayed immediately.

Spend less and get more.

First of all, the cost of nutrient solution for balcony vegetable garden in January is only a few dollars. Secondly, it is the electricity bill. The water circulation motor is a timed automatic control system, which is generally used three to five times a day for three to five minutes each time. A 6-watt motor is a few tenths of kilowatt-hours a day. The third is water. The amount of water is mainly used for vegetable growth and circular evaporation, and it does not exceed 1 cubic meter a month, which is only a few dollars. Finally, buy good vegetables. The comprehensive cost shall not exceed that of 20 yuan in one month.

In contrast, such a small vegetable garden has gained a lot in operation: it can produce about 30 kilograms of vegetables a month, which can basically meet the daily demand of leafy vegetables for a family of four.

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