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本文研究了磁场对棕壤和草甸土的土壤呼吸强度的影响。研究发现,磁场对土壤的呼吸强度有明显的影响。但是在磁场强度50mT、100mT、300mT、500mT和700mT范围内,随着磁场强度的增加其影响效果大小变化没有规律性,对于一定的土壤类型存在一个较适宜的磁场强度范围。棕壤在300mT场强下处理,其土壤呼吸强度增加幅度最大;在300mT磁场处理后1～7天内土壤呼吸强度升高。相对含水量70%的草甸土湿土样经过5个场强处理后,土壤呼吸强度均显著增加,其中经500mT场强后土壤呼吸强度增加幅度最大;土壤水分对土壤呼吸强度的磁处理效应有一定的影响。
In this paper, the effect of magnetic field on soil respiration intensity of brown soil and meadow soil was studied. The study found that the magnetic field on soil respiration intensity has a significant impact. However, within the range of 50 mT, 100 mT, 300 mT, 500 mT and 700 mT, there is no regularity in the change of the effect size with the increase of the magnetic field strength. For a certain soil type, there is a suitable magnetic field intensity range. Soil brown soil at 300mT field strength treatment, the soil respiration rate of the largest increase; 300mT magnetic field within 1 to 7 days after the soil respiration intensity increased. The soil respiration intensity of meadow soil with 70% relative water content increased significantly after 5 field treatments. The soil respiration intensity increased most greatly after 500 mT field strength. The effect of soil moisture on soil respiration intensity Have a certain impact.