11.   Some farmers already use computer software that has proven very accurate for irrigation timing.

a. + for >>共 863
available 10.91%
set 3.36%
unavailable 2.96%
positive 2.27%
difficult 1.91%
prepared 1.88%
famous 1.75%
important 1.68%
open 1.62%
bad 1.56%
accurate 0.02%
accurate + p. >>共 26
than 25.00%
in 20.43%
as 14.52%
to 10.22%
within 4.84%
with 4.57%
at 2.96%
for 2.96%
on 2.96%
about 1.88%
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