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徐州23号属弱春性品种.分蘖力较强,成穗率高,早熟,耐瘠,但耐肥抗倒性一般.中感纹枯病,抗寒性较差.适合于淮北地区中晚茬种植.最适播期为10月15~25日,播种密度弹性较大,以每亩10~25万基本苗为宜.生产上应严格掌握化肥氮用量,防止施氮量过多.在亩产350kg的田块,化肥纯氮用量约为10~12kg.要控制施用返青肥,普施拔节肥.重视纹枯病的防治.
Xuzhou 23 is a weak spring sexual varieties. Tillering strong, high ear rate, precocious, barren, but resistant to lodging in general. Planting the most suitable sowing date of October 15 to 25, sowing density greater flexibility to 10 to 25 million basic acres per acre is appropriate. Production should strictly control the amount of nitrogen fertilizer to prevent excessive nitrogen fertilizer in the 350kg per mu of plots, the amount of pure nitrogen fertilizer is about 10 ~ 12kg. To control the application of green manure, Pu Ssu fat section.