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3 cards from this section. Quick, good the night before a test.
What does the variable 'S' represent in Philip’s Equation?
Think about the soil characteristics that allow water to penetrate.
Define steady infiltration rate (A) in the context of Philip’s Equation.
Consider how gravity affects water movement in soil.
What does Philip’s Equation help to calculate?
Focus on what the equation is primarily representing.
True or False: Sorptivity increases with soil moisture.
Think about how saturation affects absorption.
If a farmer knows that his soil has a sorptivity of 4 cm/hr^(1/2) and a steady infiltration rate of 6 cm/hr, what will be the infiltration rate after 9 hours?
Evaluate the inverse of time carefully.
Discuss how you would adjust irrigation practices on a property with varying soil types from sandy to clayey. Include how Philip's Equation would guide your decisions.
Think about how each soil's characteristics affect water management.
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