Question:
Original design of tensiometer was first proposed by
Original design of tensiometer was first proposed by
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Remember Gardner in the context of soil moisture measurement instruments.
Updated On: Jul 2, 2026
- Willard Gardner
- L. A. Richards
- B. E. Livingstom
- Henry Darcy
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The Correct Option is A
Approach Solution - 1
Willard Gardner is credited with the original concept and design of the tensiometer, an instrument used to measure soil water tension.
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Approach Solution -2
Elimination by association with each scientist's known contribution:
L. A. Richards is chiefly associated with refining and popularising the tensiometer and with developing the pressure-plate/pressure-membrane apparatus for soil water potential, work that came after the instrument's invention. B. E. Livingston is known for the porous-cup atmometer used to estimate evaporative demand, a different type of instrument altogether. Henry Darcy is remembered for the law governing flow through porous media, not for any water-tension sensing device. Since none of these three match the origin of the tensiometer concept, the original design is attributed to Willard Gardner, confirming option 1.
L. A. Richards is chiefly associated with refining and popularising the tensiometer and with developing the pressure-plate/pressure-membrane apparatus for soil water potential, work that came after the instrument's invention. B. E. Livingston is known for the porous-cup atmometer used to estimate evaporative demand, a different type of instrument altogether. Henry Darcy is remembered for the law governing flow through porous media, not for any water-tension sensing device. Since none of these three match the origin of the tensiometer concept, the original design is attributed to Willard Gardner, confirming option 1.
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