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Agronomy 182 - Practice exam 2 | Questions And Answers Latest {} A+ Graded | 100% Verified
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Agronomy 182 - Practice exam 2 | Questions And Answers Latest {2024- 2025} A+ Graded |100% Verified
Soil fungi can infect and kill emerging seedlings. This problem is more common with: - no-till
A parent material rich feldspars results in a soil that is: - high in clays
A black surface soil and a gray non-mottled subsoil indicates that the soil drainage is: - poor
If soil developed in each of the following, which would be most like a soil developed from sandstone? -
quartzite
A potting mix is reported to have a pH value of 5.0. The pH of this mix is ____ for most container grown
plants. - lower than desired
As rocks weather, many changes occur. That fraction of the rock which weathers the slowest can be
expected to be found primarily in the ____ mineral fraction of a weathered soil. - resistant
As the texture of the parent material becomes coarser the B horizon is found: - deeper in the profile
Which will produce a deeper soil profile? - coarse grained rocks
Water moving down through a soil is referred to as: - internal drainage
As a generalization fertility is related to the absence of: - quartz
Oxide clays are considered part of the soils: - residue minerals
Phosphorus availability is controlled by soil pH. Phosphorus is least available when the soil pH is: - either
acid or basic
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