Open field vegetable interplanting cultivation method

The invention discloses an open field vegetable interplanting cultivation method, and belongs to the technical field of agricultural planting. The open field vegetable interplanting cultivation methodcomprises the following steps that (1) ditching and ridging are conducted, wherein the planting row spacing of green Chinese onions is 100-120 cm, the depth of the dug ground at the planting row position is 30 cm, the dug soil is uniformly piled on the ground between the left and right rows, and the bottom of the dug soil is properly compacted to form a ditch-ridge alternate pattern; (2) field planting of green Chinese onion seedlings is performed at the bottoms of the ditches, and then dandelions are sown among green Chinese onion rows; with the gradual growth of green Chinese onion seedlings, ridge soil between rows is piled up around the base parts of green Chinese onion stems, hilling is performed for 3-4 times on the basis of not burying growth points of green Chinese onions, dandelion tender leaves are harv