What is 'Available Water' for agricultural plants defined as?

Question

What is 'Available Water' for agricultural plants defined as? (पौधों के लिए 'प्राप्य जल' (Available Water) किसे कहा जाता है?)

Think Extraordinary · Accepted Answer

Correct Answer: Option A. Moisture held between Field Capacity and Permanent Wilting Point. Explanation: Plant Available Water Capacity (AWC) is the soil moisture fraction stored between Field Capacity (-0.33 bar) and Permanent Wilting Point (-15 bars), which crops can absorb for transpiration and growth.

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Option B: Total gravitational water draining to water table

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Option C: Hygroscopic water bound to clay particles

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Option D: Runoff rainwater in drainage ditches

General Agriculture and Agronomic Principles

What is 'Available Water' for agricultural plants defined as?