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2.The results showed the optimization condition was that rice chaff power:wheat bran:corncob was 5?3?2,the addition rate of water was 1/3,addition quantity of(NH4)2SO4 was 2.5%,addition quantity of KH2PO4 was 2%,the initial pH was 6.0,cultured for 84 h at 28～30 ℃. Under this condition the CMC enzymatic activity could achieve 1 865 u/g dry leaven.
得出结论,在稻壳:麸皮:玉米芯=5:3:2,加水比1:3,硫酸铵添加量2.5%,磷酸二氢钾2%,初始pH值6.0,培养温度28～30℃的优化条件下,发酵84h,可使CMC酶活力达到1865u/g干曲。收藏指正
3.The results also indicated that under 600g. ai/h and 1200g. ai/h application, the sampling interval apart from last application was 20 and 30 days, the residue was ND~0.2577mg/kg in rice, ND~0.4760mg/kg in chaff, ND~0.7829mg/kg in rice plant, ND~0.5426mg/kg in soil.
最终残留结果显示：杀虫单在600克／公顷(有效成分)和1200克/公顷(有效成分)条件下施药，采样距最后一次施药间隔期20天和30天，残留情况为：稻米ND～0.2577mg／kg，谷壳ND～0.4760mg／kg，茎叶ND～0.7829mg／kg，土壤ND～0.5426mg／kg。收藏指正
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