Q: This task is to translate a news commentary given in Dutch language into Portuguese language. Translate the input statement into the output language  while preserving the numberical values, special characters and proper nouns and context of the commentary done.
In Zambia is uit onderzoek van lokale overheden, in samenwerking met de liefdadigheidsinstelling Concern Worldwide, gebleken dat nieuwe, hybride zaden vier tot vijf ton maïs per hectare opleveren, waar in Afrika gemiddeld één ton per hectare gebruikelijk is.
A:
Na Zâmbia, a pesquisa conduzida pelos governos locais, em colaboração com a organização de beneficência anti-pobreza Concern Worldwide, descobriu que novas sementes híbridas produzem aproximadamente quatro a cinco toneladas de milho por hectare, comparada com a média de África de uma tonelada por hectare.