Among the nutrients required by Cabernet Sauvignon and Merlot, the amount of potassium is the highest, the amount of nitrogen take second place and the phosphorus is the least.

• 赤霞珠和梅鹿辄所吸收的养分中，钾的吸收量最高，氮次之，磷最少，说明葡萄是喜钾作物。