lacewings n - any of various insects of the super family Hemerobioidea, having four gauzy wings, threadlike antennae, and larvae that feed on insect pests such as aphids
leaf n - the main organ of photosynthesis and transpiration in higher plants
leaf spot n - fungus that appears as necrotic spots or blotches on foliage, and is caused by temperature stress and(or) high humidity
light cycle n - term used to describe the amount of light and darkness a pant is receiving in a given period of time i.e. 12 on - 12 off, 18 on - 6 off, 18 on -12off, etc
light meter n - device used to measure luminescence or intensity of light
light mover n - device that moves a lamp(s) around above the garden to more evenly distribute the intense light directly under the bulb
lime n - (also called quicklime) any of various mineral and industrial forms of calcium oxide differing chiefly in water content and percentage of constituents such as silica, aluminum, magnesium, and iron, applied to the soil to raise pH or to treat magnesium or iron deficiencies
limonene(s) n - A liquid, C10H16, with a characteristic lemon like fragrance, used as a solvent, wetting agent, and dispersing agent and in the manufacture of resin
lumen(s) n - a measurement of light intensity equal to the amount of light given out through a solid angle by a source of one candela intensity radiating equally in all directions
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