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4月(清明、谷雨) 月平均温15.5℃,月平均降水量45.1毫米,地表深5厘米土壤温度16.8℃,10厘米土壤温度16.6℃。牡丹花蕾、枝、叶进入旺盛生长期,自然花期中特早品种4～6日开花。本月主要工作:①大田催花牡丹开花结束。②花后行中耕除草。③花蕾显色前盆栽牡丹入冷库做延迟栽培(5月下旬到8月上旬开花)。④花蕾显色期进行切花保鲜,陆续上市出售。⑤开花期进行人工有性杂交育种。 5月(立夏、小满) 月平均温度21.3℃,月平均降水量47毫米,地表深5厘米土壤温度23.5℃,10厘米土壤温度23℃。上旬牡丹特晚品种开花结束。植株进入旺盛生长期,花芽开始进入分化阶段。本月主要工作:①观赏区
April (Ching Ming, Guyu) average monthly temperature of 15.5 ℃, the monthly average precipitation 45.1 mm, the depth of 5 cm soil temperature 16.8 ℃, 10 cm soil temperature 16.6 ℃. Peony buds, branches and leaves into the vigorous growth period, the natural flowering early special varieties 4 to 6 flowering. This month’s main work: ① field reminder flowers blossom end. ② flower row line weeding. ③ flower buds before planting peonies into the cold storage to do delayed cultivation (late May to early August flowering). ④ flower bud color cut flowers fresh, one after another for sale. ⑤ flowering artificial hybrid sex breeding. May (early summer, Xiaoman) average monthly temperature of 21.3 ℃, the average monthly precipitation of 47 mm, the depth of 5 cm soil temperature 23.5 ℃, 10 cm soil temperature 23 ℃. Early peony late varieties flowering ended. Plant into the vigorous growth period, flower buds began to enter the differentiation stage. Main work this month: ① viewing area