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1 材料与方法1 1 试验概况采用花色为天蓝的切花桔梗 (ＰｌａｔｙｃｏｄｏｎｇｒａｎｄｉｆｌｏｒｕｍＡ ＤＣ )品种ＳＭ95在本公司采种试验田进行。试验地为黄壤土 ,肥力中等 ,在耕翻前 667ｍ2 均匀施入 2 5%ＮＰＫ复合肥 50ｋｇ,腐熟菜饼 50ｋｇ。各小区经育苗后于 1 0月
1 Materials and methods 1 1 Test Overview The blue-colored flower petunia (Platycodon grandiflorum DCC) variety SM95 was carried out in the company’s field trial planting. The test was yellow loam soil with medium fertility. 50% of 25% NPK compound fertilizer was evenly applied to 667m2 before tilling, and 50kg of rotten vegetable cake was rotten. After the district nursery after 10 months