It is shown
that the cost of the system with respect to the yearly benefit
from exporting potato crop after recovering the loss from its
export preventing due to the brown rot (this loss is estimated
to be 2 billion pounds which is the value of the potato export
to Russia annually), after the expected consequence of increasing
the yield size and quality, and after recovering the monetary
loss results from the harms caused by excessive use of
pesticides, is acceptable and it can be said that this cost can
be recovered in one year. It is concluded that the APTEEN
protocol is the most suitable routing strategy to precision
farming and its network lifetime can reach 6.5 month which
is a period more than suitable to potato crop lifetime period
in Egypt.