A. Field capacity
B. Hypolimnion
C. Thermocline
D. Wilting point
✅ The correct answer is option D.
The permanent wilting point is considered as the lower limit of plant-available soil water and depends upon both plant and soil characteristics. The quantity of water held by the soil between the field capacity and permanent wilting point is considered as the plant-available water.
The permanent wilting point is considered as the lower limit of plant-available soil water and depends upon both plant and soil characteristics. The quantity of water held by the soil between the field capacity and permanent wilting point is considered as the plant-available water.