How much N (in grams) must be in the soil organic matter if the microbes are to maintain their C:N ratio? 3gN O O Unknown, because the N requirements of the microbes were not measured. 6gN 10 gN
How much N (in grams) must be in the soil organic matter if the microbes are to maintain their C:N ratio? 3gN O O Unknown, because the N requirements of the microbes were not measured. 6gN 10 gN
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
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Please show all work.
![How much N (in grams) must be in the soil organic matter
if the microbes are to maintain their C:N ratio?
3gN
O
O
O
O
Unknown, because the N requirements of the
microbes were not measured.
6 gN
10 gN](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F635da1c8-f704-4729-9341-7eb6a01f158e%2Ffb758198-de50-482a-ad87-4f017291cd23%2F4a53xuq_processed.jpeg&w=3840&q=75)
Transcribed Image Text:How much N (in grams) must be in the soil organic matter
if the microbes are to maintain their C:N ratio?
3gN
O
O
O
O
Unknown, because the N requirements of the
microbes were not measured.
6 gN
10 gN
![Critical C:N
You are interested in assessing the potential for N mineralization and/or immobilization in
chaparral soil. To do this you measure the respiration rate of the microbial population to
quantify their growth efficiency, the microbial C:N ratio, and the soil C:N ratio. The results are
listed in the table below.
Component
Microbial growth efficiency (g microbial C/g soil C)
Microbial C:N (gC/gN)
Soil C:N (gC/gN)
0.6
10
30
Value
Assuming that the microbes break down (decompose) 100 g of C in the soil organic matter,
answer the following questions](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F635da1c8-f704-4729-9341-7eb6a01f158e%2Ffb758198-de50-482a-ad87-4f017291cd23%2Fmcdzyye_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Critical C:N
You are interested in assessing the potential for N mineralization and/or immobilization in
chaparral soil. To do this you measure the respiration rate of the microbial population to
quantify their growth efficiency, the microbial C:N ratio, and the soil C:N ratio. The results are
listed in the table below.
Component
Microbial growth efficiency (g microbial C/g soil C)
Microbial C:N (gC/gN)
Soil C:N (gC/gN)
0.6
10
30
Value
Assuming that the microbes break down (decompose) 100 g of C in the soil organic matter,
answer the following questions
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