Effect of Organic Soil Amendments and Vineyard Topographic Position on the Chemical Composition of Syrah, Trincadeira, Alicante Bouschet, and Antão Vaz Grapes (Vitis vinifera L.) in the Alentejo Wine Region - Pierini, Matteo; Harjivan, Shrika; Sieli, Nicolò; Cabrita, Maria João; Prats, Sérgio; Catarino, Sofia; Ricardop-da-Silva, Jorge (2026)