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1.定植及保温前的管理1.1定植时期及方法北方地区一般在9月上中旬定植,较寒冷的北方地区可在8月下旬定植。也可在10月上旬定植。每垄2行,栽植于垄的两边,行距20厘米,株距12～15厘米,密度1万～1.3万株/667米2。对于花序较多的品种如弗吉尼亚、新明星应适当稀植。另外,带土移栽可
1. Pre-planting and pre-insulation management 1.1 The planting period and method The northern region is generally planted in mid-September and the colder northern region can be planted in late August. Can also be planted in early October. Two rows of each ridge, planted on both sides of the ridge, spacing of 20 cm, spacing of 12 to 15 cm, the density of 10,000 to 13,000 / 667 m 2. For species with more inflorescences, such as Virginia, the new star should be sparsely populated. In addition, with soil transplanting can be