目的:研究孩儿参不同种植方式对土壤养分的影响。方法:分析测定了孩儿参轮作、间作、套作、连作1年、连作3年、连作6年、连作10年的根区与非根区土壤养分状况。结果:不同种植方式下根区土壤养分含量差异较大,7种不同种植方式根区土壤养分含量均显著高于非根区土壤,根区土壤养分呈明显的富集作用;连作6年、10年的根区土壤全钾和速效钾的富集率均为负值,表明根区土壤钾素出现亏缺;根区土壤pH值平均低于非根区土壤0.32;根区与非根区土壤有机质含量和全氮含量呈极显著正相关(P<0.01)。在轮作和间作方式下,土壤根区和非根区养分含量较高,有利于改善土壤养分,有利于孩儿参植株对养分的吸收。结论:合理施用氮肥和有机肥以及钾肥,能明显增加土壤有机质含量,对土壤的供肥和保肥能力起到了很重要的作用。 Objective: To study the effects of different planting methods on soil nutrients. Methods: The soil nutrient status of root zone and non-root zone was analyzed. The soil nutrient status of root zone and non-root zone was analyzed and measured for 1 year, continuous cropping for 3 years, continuous cropping for 3 years, continuous cropping for 6 years and continuous cropping for 10 years. Results: The soil nutrient contents in the root zone were different under different planting patterns. Soil nutrient contents in the root zone were significantly higher than those in the non-root zone for seven different cropping patterns. Soil nutrients in the root zone were obviously enriched. The total potassium and available potassium in the root zone of the year were all negative, which indicated that the potassium in the root zone was deficient. The pH value in the root zone was lower than that in the non-root zone by 0.32 and that in the root zone and the non-root zone There was a significant positive correlation between organic matter content and total nitrogen (P <0.01). Under the rotation and intercropping modes, the soil nutrient content in the root zone and the non-root zone is higher, which is beneficial to improve the soil nutrient, which is good for the nutrient absorption of the plant. Conclusion: Rational application of nitrogen and organic fertilizers and potassium fertilizers can significantly increase soil organic matter content, which plays an important role in soil fertility and fertilizer conservation.