Cereals for the production of grain - yield reached 100 27.9 kg/ha in 1999 in Portugal, according to . This is 0% more than in the previous year.
Historically, Cereals for the production of grain - Yield in Portugal reached an all time high of 100 27.9 kg/ha in 1999 and an all time low of 100 9.80 kg/ha in 1978.
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