Alfalfa can have taproots as deep as 20 feet (6 meters)
Indicate whether the statement is true or false
T
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Given the information above, what do you think was the root cause of all the problems and why?
You are working on a robot that has a servo drive alarm and find blown fuses on the drive. In the course of gathering information, you discover that the motor has a loose connection, which caused it to overheat, damaging the internal windings and the motor encoder. Once you replace the motor and encoder, you get another servo drive alarm that indicates there is a bad card in the drive.
For compacting soil in trenches, an effective tool is the _____.
a. rubber-tired roller b. vibrating-plate compactor c. smooth steel-wheeled roller d. segmented pad roller
The _____ has been a major force in dairy record keeping and herd improvement.
Fill in the blank(s) with the appropriate word(s).
Attempts to leach the excess salts from a saline-sodic soil resulted in a marked reduction of crop yields. To what is this most likely due?
A) removal of Ca2+ and Mg2+ ions from the exchange complex B) increase in percentage sodium saturation C) increase in the soil pH D) increase in the Al3+ concentration E) deficiency of iron and manganese