If the soil moisture content is 30% and the bulk density of the soil is 1.5 g/cm

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Question: If the soil moisture content is 30% and the bulk density of the soil is 1.5 g/cm³, what is the water holding capacity of 1 m³ of soil?

Options:

Correct Answer: 300 liters

Solution:

Water holding capacity = Soil moisture content × Volume of soil = 0.30 × 1000 liters = 300 liters.

If the soil moisture content is 30% and the bulk density of the soil is 1.5 g/cm³, what is the water holding capacity of 1 m³ of soil?

If the soil moisture content is 30% and the bulk density of the soil is 1.5 g/cm³, what is the water holding capacity of 1 m³ of soil?

Step 1: Understand that soil moisture content is given as 30%. This means that 30% of the soil's weight is water.
Step 2: Convert the soil moisture content percentage into a decimal for calculation. 30% as a decimal is 0.30.
Step 3: Know that 1 m³ of soil is equivalent to 1000 liters of water.
Step 4: Calculate the water holding capacity by multiplying the soil moisture content (as a decimal) by the volume of soil in liters. This is done by: 0.30 × 1000 liters.
Step 5: Perform the multiplication: 0.30 × 1000 = 300 liters.
Step 6: Conclude that the water holding capacity of 1 m³ of soil is 300 liters.

Soil Moisture Content – The percentage of water contained in the soil, which affects its ability to hold water.
Bulk Density – The mass of soil per unit volume, which influences the soil's porosity and water retention capacity.
Water Holding Capacity – The total amount of water that soil can retain, calculated based on moisture content and volume.