Computer technology may help Ed with some of these worries. With equipment, air and soil temperatures and wind speed can be measured. The information is fed into a computer which can tell when temperatures drop to freezing. The computer can correctly decide the quantity of water to be used and how frequently the trees should be watered. Ed will find looking after his orange trees a lot easier with the help of a computer, and we ll all have the benefits of computerage oranges.
The passage is mainly about_______.
A a farmer s expert care for his orange trees
B the different uses of computers
C growing oranges in Florida s changeable weather
D different way of frost protection
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