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58 MPa while the water potential of your crop is -1.62 MPa. estion A Is your crop able to take up water from the soil? Explain. estion B. It is now late August and your soil water potential is -2.10 MPa, fortunately, you have been granted one magic wish in rease its ability to take up water, however, you must choose from one of the options below. Fill in the values denoted by the ? as cause the greatest water uptake by your crop. tion Vs (MPa) Vp (MPa) Vw (MPa) -1.90 0.00 -2.59 +0.13 -2.4 -2.09 -2.05 -2.28 +0.17

58 MPa while the water potential of your crop is -1.62 MPa. estion A Is your crop able to take up water from the soil? Explain. estion B. It is now late August and your soil water potential is -2.10 MPa, fortunately, you have been granted one magic wish in rease its ability to take up water, however, you must choose from one of the options below. Fill in the values denoted by the ? as cause the greatest water uptake by your crop. tion Vs (MPa) Vp (MPa) Vw (MPa) -1.90 0.00 -2.59 +0.13 -2.4 -2.09 -2.05 -2.28 +0.17

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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It is June in Fresno and the officials at the water district have just reduced your irrigation ration by 26%. In the field, you determine that the water potential in your soil is -1.68 MPa while the water potential of your crop is -1.62 MPa. **Question A**: Is your crop able to take up water from the soil? Explain. **Question B**: It is now late August and your soil water potential is -2.10 MPa, fortunately, you have been granted one magic wish in altering the physiology of your crop to increase its ability to take up water, however, you must choose from one of the options below. Fill in the values denoted by the "?" as needed, and select the option that will cause the greatest water uptake by your crop. | Option | Ψ<sub>S</sub> (MPa) | Ψ<sub>P</sub> (MPa) | Ψ<sub>W</sub> (MPa) | |--------|-------------------|-------------------|-------------------| | 1 | -1.90 | 0.00 | ? | | 2 | -2.59 | +0.13 | ? | | 3 | ? | ? | -2.4 | | 4 | -2.09 | ? | -2.05 | | 5 | -2.28 | +0.17 | ? | - **Ψ<sub>S</sub>** refers to soil water potential. - **Ψ<sub>P</sub>** refers to plant water potential. - **Ψ<sub>W</sub>** refers to the water potential difference (Ψ<sub>S</sub> - Ψ<sub>P</sub>). The greatest water uptake will occur when the difference (Ψ<sub>W</sub>) is the largest positive value.
Transcribed Image Text:It is June in Fresno and the officials at the water district have just reduced your irrigation ration by 26%. In the field, you determine that the water potential in your soil is -1.68 MPa while the water potential of your crop is -1.62 MPa. **Question A**: Is your crop able to take up water from the soil? Explain. **Question B**: It is now late August and your soil water potential is -2.10 MPa, fortunately, you have been granted one magic wish in altering the physiology of your crop to increase its ability to take up water, however, you must choose from one of the options below. Fill in the values denoted by the "?" as needed, and select the option that will cause the greatest water uptake by your crop. | Option | Ψ<sub>S</sub> (MPa) | Ψ<sub>P</sub> (MPa) | Ψ<sub>W</sub> (MPa) | |--------|-------------------|-------------------|-------------------| | 1 | -1.90 | 0.00 | ? | | 2 | -2.59 | +0.13 | ? | | 3 | ? | ? | -2.4 | | 4 | -2.09 | ? | -2.05 | | 5 | -2.28 | +0.17 | ? | - **Ψ<sub>S</sub>** refers to soil water potential. - **Ψ<sub>P</sub>** refers to plant water potential. - **Ψ<sub>W</sub>** refers to the water potential difference (Ψ<sub>S</sub> - Ψ<sub>P</sub>). The greatest water uptake will occur when the difference (Ψ<sub>W</sub>) is the largest positive value.
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