堆肥或护根物一类的有机肥料可以帮助洋葱在难耕的土壤生长。
Organic material like compost or leaf mulch can help onions grow in heavy soil.
黄酮类化合物的主要来源包括：浆果、樱桃、红葡萄、苹果、柑橘类水果、花茎甘蓝、羽衣甘蓝、洋葱。
Good sources of flavonoids include berries, cherries, red grapes, apples, citrus fruit, broccoli, kale and Onions.
以上扒类可选择：黑椒汁、洋葱汁、香草汁、蒜茸汁。
All above is choice: black pepper juice, onion juice, hyssop juice, garlic juice.
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