Nutrient Film Technique in Hydroponic Gardens: Nutrient film technique (NFT) is a type of hydroponic gardening method that involves continuously circulating a thin film of nutrient-rich water over the roots of plants. It is a popular method for growing small, fast-growing plants, such as lettuce, herbs, and small tomatoes.
In an NFT system, plants are typically grown in troughs or channels that are sloped slightly, with one end slightly higher than the other. A pump is used to circulate the nutrient solution over the roots of the plants, and the slope of the trough helps to ensure that the roots are consistently covered with the nutrient solution.
One of the advantages of NFT systems is that they are relatively simple and inexpensive to set up and maintain. They are also efficient at using water and nutrients, as the plants are constantly being supplied with a fresh, nutrient-rich solution. However, NFT systems can be prone to certain problems, such as nutrient imbalances and uneven distribution of the nutrient solution, which can lead to poor plant growth or even plant death.
To set up an NFT system, you will need:
- Plants: Choose small, fast-growing plants that are suitable for hydroponic growing, such as lettuce, herbs, or small tomatoes.
- Troughs or channels: You will need a trough or channel to grow your plants in. These can be made from a variety of materials, such as PVC pipes or plastic trays.
- Nutrient solution: You will need a nutrient solution to feed your plants. You can purchase a commercial hydroponic nutrient solution or mix your own using a formula designed for hydroponic growing.
- Pump: You will need a pump to circulate the nutrient solution
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