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Low-stress training (LST)
Low Stress Training, or LST for short, is a gentle method to guide the shape of a plant without cutting it. Shoots...
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Topping
Topping is a training method in which the topmost shoot tip of a plant is deliberately cut off. It sounds drastic, but...
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Photoperiod
The photoperiod is the daily duration of light and darkness to which a plant is exposed. For many plants, it is the...
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Substrate
A substrate is the material in which a plant's roots grow. It provides support for the plant, stores water and nutrients, and...
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Overfertilization
Over-fertilization (also known as nutrient burn) occurs when a plant receives more nutrients than it can process. It is one of the...
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Macronutrients (NPK)
NPK is the abbreviation for the three most important plant nutrients: N stands for Nitrogen, P for Phosphorus, and K for Potassium....
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EC value
The EC value (from "electrical conductivity") measures how many dissolved nutrient salts are in a solution. The more nutrients in the water,...
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pH value
The pH value indicates how acidic or alkaline the irrigation water or nutrient solution is. It is measured on a scale from...
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Hydroponics
Hydroponics (also known as hydroculture) refers to the cultivation of plants without traditional soil. Instead of growing in a substrate, plants root...
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