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用壳聚糖ＳⅡ拌种，可促进水稻分蘖，增加有效穗数、实粒数，提高产量；对水稻出苗无影响，可控制水稻恶苗病的发生，其发病率比对照降低９０ ％ 以上。
With chitosan S Ⅱ seed dressing, can promote rice tillering, increase effective panicles, grain number, increase yield; have no effect on rice emergence, can control the occurrence of rice Bakanae disease, the incidence of 90% lower than the control the above.