1.1 Microbes in the soil could be beneficial to plants and one way to evaluate this is by determining the R/S ratio. Define the R/S ratio. 1.2 Both rhizospheric and root-free soils were collected from five (5) plants before (BT) and after (AT) treatment. Using the microbial biomass that appear in Table 1, the R/S ratios before (BT) and after (AT) can be determined. Use these values to determine the respective R/S ratios. Kindly show all workings.
1.1 Microbes in the soil could be beneficial to plants and one way to evaluate this is by determining the R/S ratio. Define the R/S ratio. 1.2 Both rhizospheric and root-free soils were collected from five (5) plants before (BT) and after (AT) treatment. Using the microbial biomass that appear in Table 1, the R/S ratios before (BT) and after (AT) can be determined. Use these values to determine the respective R/S ratios. Kindly show all workings.
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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Transcribed Image Text:1.1 Microbes in the soil could be beneficial to plants and one way to evaluate this is by
determining the R/S ratio. Define the R/S ratio.
1.2 Both rhizospheric and root-free soils were collected from five (5) plants before (BT)
and after (AT) treatment. Using the microbial biomass that appear in Table 1, the R/S
ratios before (BT) and after (AT) can be determined. Use these values to determine
the respective R/S ratios. Kindly show all workings.
Microbial population
Before Treatment (BT)
Plants
R/S
Microbial population After
Treatment (AT)
R/S
ratio
ratio
(BT)
(AT)
Rhizospheric Non-
soil (CFU)
Rhizospheric Non-
rhizospheric soil (CFU)
soil (CFU)
rhizospheric
soil (CFU)
Typha sp.
764
168
988
186
Pistia sp.
286
86
386
112
Salvinia
397
132
528
166
sp.
Lemna sp.
274
121
406
152
Eichhornia
443
140
648
196
sp.
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