[1]黄洋葱颜色金黄,味道微甜,白洋葱味道刺激,比黄洋葱更为强烈,红洋葱是紫罗兰色,经常用来生吃,而不是煮熟食用。耕耘大约15厘米深的土壤,并加一层的磷肥料(每6米加一杯)。{"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/5\/58\/Grow-Onions-Step-7-Version-3.jpg\/v4-460px-Grow-Onions-Step-7-Version-3.jpg","bigUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/5\/58\/Grow-Onions-Step-7-Version-3.jpg\/v4-760px-Grow-Onions-Step-7-Version-3.jpg","smallWidth":460,"smallHeight":345,"bigWidth":760,"bigHeight":570}2挖洞。所以要先吃甜洋葱,以防出现腐烂。