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以柴达木盆地2种果型黑果枸杞所生长的土壤为试材,分别以pH计、电感耦合等离子体质谱仪(ICP-MS)、半微量凯氏定氮法、钼锑钪比色法、火焰光度计法、重铬酸钾—外加热法、质量法测定2种土壤中的pH、微量元素、大量元素、有机质以及全盐量的含量,分析二者间的差异。结果表明:2种不同果型黑果枸杞土壤中的pH表现为“圆球型”黑果枸杞土壤>“蟠桃型”黑果枸杞土壤,但不存在显著性差异(P>0.05);微量元素中Fe元素在2种果型黑果枸杞土壤的0~20、40~60cm土层存在显著性差异(P<0.05),表现为“圆球型”黑果枸杞土壤中的含量>“蟠桃型”黑果枸杞土壤中的含量;大量元素中全磷在20~40cm土层存在极显著差异(P<0.01),在0~20、40~60cm土层存在显著性差异(P<0.05),皆表现为“蟠桃型”黑果枸杞土壤中含量>“圆球型”黑果枸杞土壤中含量;全盐量在20~40cm土层存在极显著差异(P<0.01),在0~20、40~60cm土层存在显著性差异(P<0.05),皆呈现为“蟠桃型”黑果枸杞土壤中含量>“圆球型”黑果枸杞土壤中含量。
Soil samples from two fruit types of black fruit Lycium barbarum in the Qaidam Basin were used as test materials and analyzed by pH meter, inductively coupled plasma mass spectrometry (ICP-MS), semi-trace Kjeldahl method, molybdenum-antimony-scandium colorimetric Method, flame photometer method, potassium dichromate - external heating method and mass method were used to determine the contents of pH, trace elements, macronutrients, organic matter and total salt in the two soils. The results showed that the pH value of Lycium barbarum soil in two different fruit types was “Spherocytosis”, “Lycium barbarum”> “Toona peach”, but not significant in the soil of Lycium barbarum (P> 0.05 ). There was a significant difference (P <0.05) in the content of trace element Fe between 0 ~ 20 and 40 ~ 60cm in the soil of two kinds of black fruit Lycium barbarum The contents of total phosphorus in 20 ~ 40cm soil layer were significantly different (P <0.01), but there was significant difference in 0 ~ 20,40 ~ 60cm soil layer (P <0.05), both of which showed the contents of soil with > “sphere” “black fruit” in Lycium barbarum in “Peach type”; the content of total salt in 20 ~ 40cm soil layer was extremely significant (P <0.01). There was a significant difference in 0-20 and 40-60 cm soil layers (P <0.05) Black fruit Wolfberry soil content.