The new varieties of edible plants are rice, corn, common wheat, soybean, Brassica napus, sweet potato, barley, cotton, sugarcane, Chinese cabbage, common tomato, cucumber, bitter gourd, eggplant, bergamot, kale, Brussels sprouts, fennel, softened chicory, apricot, common watermelon, common cabbage, edible radish, kidney bean and green onion.

Rice is more dependent on this procedure. Upland rice is a upland field, and the process of irrigation and drainage is different. However, it is generally necessary to strengthen irrigation after transplanting, when young panicles are formed, and at the heading and flowering stage.

Corn seedlings are sown in the three-leaf stage, and seedlings can be fixed according to plant spacing when the leaves are five. It is necessary to pull out sick seedlings, weak seedlings and exotic plants and leave strong seedlings; In case of lack of seedlings and broken ridges, two seedlings should be left beside.

Cucumber prefers warm to cold. The suitable temperature for growth is 10 ~ 32℃. Generally, it grows best at 25 ~ 32℃ in the daytime and 15 ~ 18℃ at night. The optimum ground temperature is 20 ~ 25℃, and the lowest is about 65438 05℃. The optimum temperature difference between day and night is 10 ~ 15℃.