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1材料与方法1.1试验地点试验在新平街道办事处窑上村王德恩家承包田进行,海拔1 250m,103°43′E~104°27′E,23°06′N~23°44′N,前茬作物水稻,沙壤土,地势平坦,肥力均匀中等,排灌条件一般。1.2参试品种共12个:中薯18号、中薯20号、昆薯-3、青薯9号、冀张薯12号、师大4号、师大6号,丽薯13、丽薯14,云薯605、云薯606,对照合作88。
1 Materials and methods 1.1 Test site The experiment was carried out at Wang De’en Village, Kao Shang Village, Xinping Subdistrict Office at an altitude of 1,250m, 103,43’E ~ 104’27’E, 23’06’N ~ 23’44’N, Crops Crops Rice, sandy loam, flat, medium fertility, irrigation and drainage conditions in general. 1.2 A total of 12 varieties of test: Zhongshu 18, Zhongshu 20, Kunzhu -3, Qingshu 9, Ji Zhangshu 12, Shida 4, Shida 6, sweet potato 13, sweet potatoes 14, cloud potato 605, cloud 606, control cooperation 88.