Hydroponics and Co.: Planting systems for the room


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Hydroponics translated means nothing more than water cultivation. Plants do not necessarily need soil to grow, but water, nutrients and air. Earth serves the roots only as a "foundation" in which they can hold on. They succeed as well in expanded clay spheres. That's why basically every plant can grow in hydroponics - even cacti or orchids, which are more commonly known as water-shy.

Hydroponics: Plant growth without soil

Hydroponics means that the plants can do without conventional potting soil. Either you buy ready-made hydroponic plants, which are rooted in round expanded clay balls, or you turn your plants in the spring even from soil to hydroponic culture. To do this, carefully rinse the root ball with water and thoroughly remove the adhering soil. Then put the bare roots in the special inner pot, put in the water level indicator and fill the pot with expanded clay. Then gently tap the bottom of the vessel onto the tabletop, so that the clay balls are distributed between the roots and the shoots get hold of. Finally, put the ready-planted inner pot in the waterproof planter.

hydroponics

Plants in a hydroponic culture can do without soil. The required air pores for the roots are in expanded clay

After conversion, the plants need several weeks to grow. The water level gauge indicates how big the supply is. Make the pointer swing around the minimum mark and, especially in the growth phase, only pour when the level is below the minimum. At the level of the minimum line is still one centimeter of water in the vessel.
At maximum, the water level gauge should only be used as an exception, for example, if you need to pour into a supply before you leave. Keeps the water level in hydroponic plants constantly at the maximum, roots begin to rot over time, because they get too little oxygen.

Fertilize hydroponics and repot

Fertilize the plants every two to four weeks with a special low-dose hydroponic fertilizer. Normal flower fertilizers contain too high nutrient concentrations. You only have to repot plants in hydroponics if they have grown too big. This often takes several years, because most hydroponic plants grow more slowly than their relatives in soil culture. Instead of repotting, one exchanges the top two to four centimeters of expanded clay balls one to two times a year. They accumulate with nutrient salts, which become visible as a white coating. If you rinse the expanded clay spheres with clear water, they can be reused.

Repot hydroponic culture

Instead of repotting every year, in a houseplant in hydroponic culture, only the top layer of expanded clay balls is replaced

Planting systems with clay granules as water storage

The angular pieces of clay, for example from Seramis, store water like a sponge and slowly release it to the roots of the plant. Unlike the true hydroponic culture, the roots are not washed out. It is planted with the old pot ball and fills up the extra space around with the clay granules. Use a waterproof planter that is a third larger than the old one. On the ground comes to a scarcely one third of the total height a granulate layer. Then insert the plant and fill in the edges. Also, the surface of the old pot bale is about two inches high covered with clay granules.

Hydroponics in clay granules

In this planting system Tongranulat serves as a water reservoir. Each waterproof planter is suitable and the roots get thanks to good ventilation of the granules a lot of oxygen

The moisture meter is not inserted into the clay granules at the edge of the pot, but straight or diagonally in the earth's balls. The device does not display the water level, but measures the moisture content of the globe. As long as the ad is blue, the plant has enough water. If it turns red, it needs to be poured. One quarter of the pot volume is always poured. It is best to read off or measure the volume from the label before planting. After casting, it takes some time for the display to turn blue again. Because the clay has a high storage capacity, the plants come out with less irrigation water.

Water reservoir in the pot bottom

The soil culture of indoor plants in closed pots is very difficult, because the roots quickly suffer from waterlogging and die due to lack of oxygen. However, special planting systems now also make it possible. The trick: a separating tray is inserted between the root-ground potting soil and the bottom of the vessel. Below this is a water reservoir that keeps the earth moist but prevents waterlogging.

hydroponics

With the help of a water reservoir in the bottom of the pot, the proper casting of a houseplant becomes much easier

Due to the water reservoir in the bottom of the pot, you only need to water it very rarely. The water is poured through a pouring shaft at the pot edge.To make sure that the roots are not in the wet, the separating soil is covered with a drainage granulate such as gravel, lava stone or expanded clay, before planting the soil bales. The thickness of the drainage layer should correspond to one fifth of the pot height.

Hydroponics and Co.: Planting systems for the room

FAQ - 💬

❓ Do indoor hydroponics systems work?

👉 While it may sound intimidating, it doesn't take a rocket scientist to grow an indoor hydroponic garden. This no-fail indoor gardening method works so well that it may turn even the brownest thumbs green. Hydroponic systems make growing year-round fresh vegetables, herbs and fruit into a simple project.

❓ What plants can you grow in the same hydroponic system?

👉 Companion Planting Chart

VegetableCompanion Plant(s)
CarrotsLettuce, Tomato, Rosemary, Onion Family, English Pea, Sage
CeleryBush Beans, Tomato, Onion family, Cabbage family, Nasturtium
CornEnglish Pea, Cucumber, Pumpkin, Squash, Irish Potato, Beans
CucumberCorn, English Pea, Beans, Radish, Sunflowers
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❓ Can hydroponics be used in space?

👉 SNAPSHOT. NASA is demonstrating that even without the help of gravity, hydroponic plant watering methods can enable plant habitats aboard crewed or robotic space missions.

❓ Can you mix plants in a hydroponic system?

👉 Tips for Choosing Hydroponic PlantsMake sure to group plants together that have the same nutritional needs. For example, put plants grown for their greens (like lettuce and spinach) together and in a separate container from plants grown for their fruit (like tomatoes and eggplants).

❓ What are 2 potential disadvantages of hydroponics?

👉 The disadvantages are high installation costs and the need to test the solution frequently. There is a steep learning curve to hydroponics, and small errors can affect the whole crop. The systems are also very vulnerable to equipment failure or power outage, which can kill the plants within a few hours.

❓ What are the 3 main disadvantages of hydroponic farming?

👉 While there are many more benefits of hydroponics, there are a few considerable downfalls to be aware of:

  • Setup Costs. This is by far the biggest disadvantage. ...
  • Learning Curve. If this is your first time growing using hydroponics, it could take some time to feel comfortable with this method. ...
  • Equipment Failure.

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