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- If a soil when sampled from the field weighed 30g(fresh weight) and after oven drying at 105°C overnight it weighed 25g( oven dry weight), what would be the moisture percentage?An extremely acid soil generally limits the availability of many nutrients in the soil. True or FalseClay may be categorized as: Group of answer choices a) A size fraction of the soil. b) A Textural Class. c) A class of minerals d) All of the above e) None of the above
- When Chris mows the grass, she faces a choice between discarding the clippings and leaving them on the lawn. How would each choice influence the nutrient content of the soil? Explain your answerA scientist investigating into the quality of soil in Potsin area determined the soil bulk density using graphical approach. Five soil samples from the farm were sampled and their respective masses and volumes determined in the laboratory. The masses (g) of soils sampled and their respective volumes (V) are shown in the table below. A. Plot a graph of mass (g) against volume (Cm^3). B. Deduce from the graph the mathematical expression relating mass and volume of soil sampled. C. From the graph determine the bulk density.We have 2 types of soils. One soil has bulk density of 2.75g/cm^3; second has bulk density of 1.5g/cm^3. What guess will we get from this information about the following soil properties for both soils? a. Soil structure b. Porosity c. Root penetration d. Presence of organic matter
- Would the particle density of a soil high in organic matter be the same? Higher or Lower? Why?A soil consists of layers called that taken together are called a ________. soil profiles : horizon horizons : soil profile horizons : humus humus : soil profileWhich of the following is not a soil structure types? Group of answer choices True False a) Granular, b) Crystalline c) Angular blocky d) Columnar/prismatic e) Platy
- High buffering capacity means the soil has more sand than soil with low buffering capacity. True or False. Why was it necessary to make sure that chemicals could not movethrough the soil from one plant to the next?41. Which layer of soil is found above the bedrock and below the topsoil, is brightly colored (usually reddish yellow, due to iron oxides, aluminum, and silica), but does not contain much organic matter? A. the A-horizon B. the B-horizon C. the C-horizon D. the O-horizon E. the E-horizon
