盐井基地单元植烟土壤养分状况检测与评价

Nutrient Determination and Evaluation of Tobacco Soil in Yanjing Tobacco Base Units

为了对盐井基地单元烤烟生产的营养调空和合理布局提供参考,对盐井基地单元主要植烟乡的1 121份土壤样品的主要理化性质进行分析。结果表明:盐井基地单元植烟区域土壤pH大部分是适宜的;有机质和碱解氮含量丰富;速效钾含量适中或较高;速效磷偏低。在乡级尺度下,土壤部分养分含量存在区域性差异。因此,应因地制宜制定和调整烟草施肥方案,以确保该基地单元烟叶生产的可持续发展。

The main physico-chemical properties of 1 121 soil samples from main tobacco-planting villages and towns of yanjing region were analyzed to provide a reference for nutrition regulation and rational distribution of tobaco production in yanjing base units. The remits showed that the pH value of most soil is suitabe for tobacco growp, the content of organic matter and rapid available nitrogen content was abundant, rapid available potassium content Was moderate or high, rapid available phosphorus content was low. There are difference in some soil nutri- ents content between different regions（towns）. Therefore,in order to ensure the sustainable development of tobacco production in Yanjing To- bacco Base Units, it should adjust fertilization scheme for tobacco according to the local conditions.