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中文摘要：
在田间条件下,以不施用调理剂为对照（CK）,研究了白云石粉（CT）、多功能调理剂ST和MT对酸性植烟土壤性质及烤烟生长的影响。结果表明：施用多功能调理剂可以显著提高烤烟根系周围土壤pH值和烤烟养分累积量,且烟叶产量和上中等烟叶比例随着土壤pH值（4.8~6.5）的提高而增加;与CK相比,CT、ST和MT处理的烟叶产量分别提高了10.7%、14.3%和17.7%,上等烟叶比例分别提高了3.67、10.6和11.2个百分点;与CT相比,ST和MT处理的烟叶总产值分别提高了9.3%和13.7%。
英文摘要：
Taking the no application of soil conditioner as the control （ CK）, we studied the effects of applying dolomite dust （ CT）, and multifunctional soil conditioners ST and MT on the properties of acidic tobacco-planting soil and the growth of flue- cured tobacco in the field. The results indicated that applying multifunctional soil conditioner could significantly increase the pH- value of soil around the root system of flue-cured tobacco, as well as the nutrient accumulation in tobacco plants, and the tobacco yield and proportion of middle and superior tobacco leaves increased with the increase in soil pH-value （4.8-6.5）. In compari- son with CK, in the treatments CT, ST and MT, the tobacco yield was increased by 10.7%, 14.3% and 17.7%, respectively, and the proportion of superior tobacco leaves was increased by 3.67, 10.6 and 11.2 percent, respectively. The total output value of tobacco in ST and MT was separately 9.3% and 13.7% higher than that in CT.
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