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- Subject
- Soil Scienceagriculture-mcqs › soil-science
- Published
- 4 Nov 2020
- Last updated
- 28 May 2026
Explanation
Available water refers to the moisture held in soil that plants can absorb, which lies between the field capacity and the wilting point. Water above field capacity is generally excess and drains away, while water below the wilting point is unavailable to plants.
More Soil Science MCQs
Practice related questions from the same subject.
- 1.Which type of climate is most favorable for optimal crop growth and yield?
- 2.What term describes extensive regions of the Earth that share similar climate, soil, and communities of plants and animals?
- 3.What percentage of the Earth's fresh water is contained within lakes, reservoirs, and rivers?
- 4.What term describes the process of water moving downward through the layers of soil?
- 5.What is the term for the quantity of water that oven-dried soil at 105°C can absorb when placed in an environment with 100% relative humidity?
- 6.Which group of plants requires a significantly large quantity of water for their growth?
- 7.What components are found in both plant and animal residues?
- 8.From which country is the Journal of Plant and Soil published?