Fibre crops - yield reached 100 4.20 kg/ha in 1981 in Portugal, according to . This is 16.7% more than in the previous year.
Historically, Fibre crops - Yield in Portugal reached an all time high of 100 4.60 kg/ha in 1979 and an all time low of 100 1.70 kg/ha in 1976.
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