Home
Back
Water Storage Efficiency Formula:
| From: | To: |
Water storage efficiency (η_s) is defined as the ratio of water stored in the root zone to the field capacity, expressed as a percentage. It measures how effectively water is being stored and utilized in the soil for plant growth.
The calculator uses the Water Storage Efficiency formula:
Where:
Explanation: This formula calculates the percentage of water effectively stored in the root zone compared to the maximum water holding capacity of the soil.
Details: Water storage efficiency is crucial for agricultural water management, irrigation planning, and optimizing water usage for crop production. Higher efficiency indicates better water utilization and reduced water losses.
Tips: Enter the water stored in root zone and field capacity values in the same units. Both values must be positive numbers greater than zero for accurate calculation.
Q1: What is considered a good water storage efficiency value?
A: Typically, values above 70-80% are considered good, indicating efficient water storage and utilization in the soil.
Q2: How does water storage efficiency affect crop yield?
A: Higher water storage efficiency generally leads to better water availability for plants, which can result in improved crop yields and reduced irrigation requirements.
Q3: What factors can affect water storage efficiency?
A: Soil type, organic matter content, soil compaction, irrigation methods, and root depth can all influence water storage efficiency.
Q4: How can water storage efficiency be improved?
A: Improving soil organic matter, using proper irrigation techniques, reducing soil compaction, and selecting appropriate crops can help improve water storage efficiency.
Q5: Is this calculation applicable to all soil types?
A: While the basic formula applies to all soils, the actual efficiency values may vary significantly depending on soil characteristics and management practices.