sursa : ATTRA - National Sustainable Agriculture Information Service is managed by the National Center for Appropriate Technology (NCAT) and is funded under a grant from the United States Department of Agriculture's Rural Business-Cooperative Service. Visit the NCAT Web site for more information on our sustainable agriculture projects.
fara sa comentez spun doar atat cum de unii pot creste si exploata pasarile in asemenea sisteme si noi nu?
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