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State any two types of lamps used in horticulture.

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State any two types of lamps used in horticulture.

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Two common types of lamps used in horticulture are:

1. **High-Pressure Sodium (HPS) Lamps**: These lamps emit a warm yellow-orange light that is particularly beneficial during the flowering and fruiting stages of plant growth. HPS lamps are known for their high efficiency and long lifespan, making them a popular choice for greenhouse environments. However, they generate a significant amount of heat.

2. **Light Emitting Diode (LED) Lamps**: LED grow lights have become increasingly popular due to their energy efficiency, low heat output, and ability to be customized for different light spectra. They can be designed to emit specific wavelengths of light that promote various stages of plant growth, such as vegetative and flowering phases.
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Two types of lamps commonly used in horticulture are High-Pressure Sodium (HPS) lamps and Metal Halide (MH) lamps. HPS lamps are often used for their efficiency and ability to promote flowering, while MH lamps are preferred for their blue spectrum light that supports vegetative growth.
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