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These flashcards cover essential concepts related to water use in crops, including definitions and relationships between critical terms.
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Water
An essential nutrient for plant growth that passes from the soil to the roots and evaporates from leaves through stomata.
Field Capacity
The amount of water that a soil can hold without losing water to gravitational pull.
Permanent Wilting Point
The point at which a plant cannot extract any more water from the soil.
Plant Available Water (PAW)
The amount of water held between field capacity and permanent wilting point.
Gravitational Water
Water that is lost from the soil due to gravitational pull.
Soil Texture
The size of the particles in the soil, which affects the porosity and water retention capacity.
Water Use Efficiency
The effectiveness with which plants utilize water for growth, which varies by soil zone and climatic conditions.
Crop Yield
The total production of a crop in a given area, influenced by moisture availability.
Hydroscopic Water
Water that is tightly bound to soil particles and is unavailable to plants.
Soil Moisture Conditions
The various states of soil moisture relative to field capacity and wilting point, affecting plant growth.