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郁金香极耐严寒,露地栽培可耐—35℃低温。在—30℃条件下当然可以种植。但要注意以下几点: 1.要选抗性强的品种,种球围径应在12厘米以上,种球越大退化越慢,购一次种球可延用2年。 2.栽培管理措施:①深翻整地。栽前土地深翻30厘米,打碎土块,清除砖头石块,耙平;②施入基肥。在整地前铺10厘米厚充分腐熟的混合猪、鸡粪,翻地的同时混入土中;③种植时间宜在9月中下旬;④株行距。株距15厘米,行距25厘米;⑤种植深度。宜在15厘米,种植后土壤干旱应浇水;⑥早
Extremely cold tulip, open-air cultivation resistant to -35 ℃ low temperature. It is of course possible to plant at -30 ° C. But should pay attention to the following points: 1. To choose a strong resistance varieties, seed ball diameter should be 12 cm above the bulbs, the more the degradation of the slower, buy a ball can be extended with 2 years. 2. Cultivation management measures: ① deep turning the whole ground. Depth of soil before planting 30 cm, broken soil, remove stones, rake flat; ② into the base fertilizer. In the pre-planting shop 10 cm thick maturity fully mixed pigs, chicken manure, turn the ground mixed into the soil; ③ planting time should be in late September; ④ spacing. Plant spacing 15 cm, spacing 25 cm; ⑤ planting depth. Should be 15 cm, soil drought after planting should be watering; ⑥ early