Botanical Words Alphabetical List - WA
WATER FARMING:The cultivation of plants in water, instead of soil. Hydroponic gardening.
WATER-HOLDING CAPACITY: The ability of the soil to absorb and hold water, expressed in inches of water per vertical foot of soil.
WATER LOGGED: Soil that is completely saturated with water. Water-logged soil has little or no oxygen. The roots of many plants will rot in water-logged soil.
WATER RATIO: The portion of the total bulk volume of soil that's filled with water.
WATER REQUIREMENT: A term used for units of water required by plants during growing season. Knowledge of how much water a plant needs helps prevent both over and underwatering.
WATERSHED: In the U.S., this is a term that refers to the total area above a given point on a stream that contributes water to the stream's flow. Watershed land is often forested or covered with native brush.
WATER SOLUBLE FERTILIZER: An organic or chemical fertilizer which can be dissolved in water, such as manure. Water soluble fertilizer may be applied through a watering system or sprinkled in with a watering can.
WATER TABLE: The upper limit of the part of the soil or underlying rock material that is completely saturated with water. A high water table might limit the plants that can be grown successfully.
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