黄淮平原在夏季生产周期短、见效快的夏白菜,供应秋淡市场,是农民致富的好门路。 1.选时栽培:4月中旬至7月下旬,日均温度在17～27℃均可栽培,但栽培时需以市场为导向,以收定种。 2.选用良种:春夏阳50、小杂55、小杂56、夏阳类302、303、304、抗热48、抗热50、东方夏辉等优良品种。 3.肥土管理:(1)土壤处理。播种前,首先整理土壤,667平方米用1公斤3％的林丹粉,防治地下害虫。(2)施肥标准。整地时施入腐熟有机肥5～8立方米(鸡粪、猪粪等)、过磷酸钙100公斤、尿素25公斤、硫酸钾30公斤、稀土微肥5公斤。(3)起垄作畦。把地整平耙碎起垄,垄宽65厘米,垄高15～20厘米,垄沟25厘米,垄长一般20米。 Huanghuai Plain in the summer production cycle is short, effective quick summer cabbage, autumn and autumn market supply is a good way for farmers to get rich. 1. Election cultivation: mid-April to late July, the average daily temperature at 17 ~ 27 ℃ can be cultivated, but the cultivation needs to be market-oriented, to set the collection. 2. Selection of elite varieties: spring and summer sun 50, small hybrid 55, small hybrid 56, Xia Yang class 302,303,304, heat 48, heat 50, Oriental Xia Hui and other fine varieties. 3 soil management: (1) soil treatment. Before sowing, first soil, 667 square meters with 1 kg of 3% lindane powder, prevention and control of underground pests. (2) fertilization standards. When soil preparation, 5 ~ 8 cubic meters of decomposed organic fertilizer (chicken manure, pig manure, etc.), 100 kilograms of superphosphate, 25 kilograms of urea, 30 kilograms of potassium sulfate and 5 kilograms of rare earth micronutrients are applied. (3) ridge for 畦. Ground leveling rake broken Ridge, 65 cm wide ridge, ridge height of 15 to 20 cm, 25 cm furrow, ridge length of 20 meters.