permeability articles

What is the main factor dictating how fast water travels beneath the soil surface?

What is the main factor dictating how fast water travels beneath the soil surface?

What specific term describes the rapid movement of water through sandy soil?

What specific term describes the rapid movement of water through sandy soil?

Which soil particle size results in very slow water movement because water is held tightly?

Which soil particle size results in very slow water movement because water is held tightly?

What condition results in rainwater becoming surface runoff?

What condition results in rainwater becoming surface runoff?

How does adding organic matter improve the initial entry of water into the soil?

How does adding organic matter improve the initial entry of water into the soil?

The time water spends moving through soil primarily describes the movement of which water pool?

The time water spends moving through soil primarily describes the movement of which water pool?

What is the main consequence of applying an inch of water too quickly (e.g., in 15 minutes) to heavy clay?

What is the main consequence of applying an inch of water too quickly (e.g., in 15 minutes) to heavy clay?

When water moving rapidly through topsoil encounters a hardpan layer, what behavior does the water exhibit?

When water moving rapidly through topsoil encounters a hardpan layer, what behavior does the water exhibit?

How does the total water-holding capacity typically compare between clay and sandy soils?

How does the total water-holding capacity typically compare between clay and sandy soils?

If sandy soil allows water to travel downward at 10 inches per hour, what is the approximate speed for dense clay under similar saturation conditions?

If sandy soil allows water to travel downward at 10 inches per hour, what is the approximate speed for dense clay under similar saturation conditions?

What is the speed of water movement through soil often referred to as?

What is the speed of water movement through soil often referred to as?

What is the key determinant influencing the speed at which rainwater travels through the ground once it soaks in?

What is the key determinant influencing the speed at which rainwater travels through the ground once it soaks in?

How do large, highly interconnected pores created by sand particles generally affect water movement?

How do large, highly interconnected pores created by sand particles generally affect water movement?

What effect do the tiny pore spaces formed by tightly packed clay particles have on drainage?

What effect do the tiny pore spaces formed by tightly packed clay particles have on drainage?

Which soil composition typically describes soil that allows for sufficient moisture retention while letting excess water move out?

Which soil composition typically describes soil that allows for sufficient moisture retention while letting excess water move out?

What is the direct result of soil compaction on the pore spaces that govern water flow?

What is the direct result of soil compaction on the pore spaces that govern water flow?

What is the suggested depth range for digging a hole when preparing for a standard percolation test?

What is the suggested depth range for digging a hole when preparing for a standard percolation test?

Why must the soil be pre-wetted before timing the final drainage rate measurement in a percolation test?

Why must the soil be pre-wetted before timing the final drainage rate measurement in a percolation test?

During the timing phase of the percolation test, how much of a drop in water level is measured to calculate the rate?

During the timing phase of the percolation test, how much of a drop in water level is measured to calculate the rate?

What is the generally accepted drainage rate range considered ideal for supporting most vegetable gardens and ornamental plants?

What is the generally accepted drainage rate range considered ideal for supporting most vegetable gardens and ornamental plants?

What is the primary adverse effect of soil that drains too quickly, such as pure coarse sand?

What is the primary adverse effect of soil that drains too quickly, such as pure coarse sand?

If a percolation test shows a rate significantly below 0.5 inches per hour, what step is generally recommended before planting sensitive species?

If a percolation test shows a rate significantly below 0.5 inches per hour, what step is generally recommended before planting sensitive species?