What effect do you think cultivation could have on soil pH? (Hint: Think about
the amount of organic material and chemicals added to the soil during
farming.)
What will be an ideal response?
Uncomposted organic material is very acidic, and the addition of organic mulches,
animal waste (especially uncomposted manure), or some natural fertilizers would
tend to decrease soil pH. The effects of the addition of acidic organic materials on
soil pH are highly variable due to the wide variety of soil types under cultivation. If
you live in an area where the soils are derived from weathered limestone, the
addition of organic material or acidic chemicals, such as some fertilizers, would not
reduce the soil pH as much as in an area with an acidic soil
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Too slow a cutting speed results in ____.
A. the top edge of the plate being melted or rounded off B. an incomplete cut C. gouges in the side of the cut D. the sides of the kerf being slightly dished
Bulls are fed corn silage and grain at the rate of _____ percent of body weight
a. 3 c. 2 b. 4 d. 1
Plant pathology is the study of insects that attack plants
Indicate whether the statement is true or false
_________________________ allows you to find a specific wire in a harness or connector.
Fill in the blank(s) with the appropriate word(s).