WU Hao,RUI Rui,WANG Shu.Effects of Plukenetia volubilis L.with Different Cultivation Years on Soil Physical and Chemical Properties and Enzyme Activities[J].HEILONGJIANG AGRICULTURAL SCIENCES,2021,(09):40-43.[doi:10.11942/j.issn1002-2767.2021.09.0040]
星油藤不同种植年限对土壤理化性质及酶活性的影响
- Title:
- Effects of Plukenetia volubilis L.with Different Cultivation Years on Soil Physical and Chemical Properties and Enzyme Activities
- Keywords:
- Plukenetia volubilis L.; rhizosphere soil; bulk soil; soil enzyme; different cultivation years
- 文献标志码:
- A
- 摘要:
- 为揭示星油藤种植对土壤环境的影响,本研究以云南省西双版纳普文镇不同种植年限星油藤(1,2和6年)的土壤为研究对象,分析了不同年限星油藤土壤理化性质及酶活性变化。结果表明:随着种植年限增加,土壤pH、EC、TDS显著下降,根际和非根际土壤微量元素变化无明显规律;土壤有机质、氨态氮和全氮含量随着连作年限的增加而增加,以6年种植的星油藤土壤最高,而全磷、硝酸盐总体呈降低趋势,6年时达到最低值。此外,不同的种植时间根际和非根际土壤不同酶变化存在差异,相关分析显示土壤酶与土壤理化性质存在显著相关(P<0.05)。研究结果表明不同种植时间星油藤应更注重土壤pH、土壤养分的变化,建议合理施肥以保证土壤的可持续利用。
- Abstract:
- In order to reveal the effects of Plukenetia volubilis L.on soil environment,the soil of Plukenetia volubilis L.with different planting years (1,2,and 6 years) in Puwen Town,Xishuangbanna,Yunnan Province was taken as the research materials,and the changes of soil nutrients and enzyme activity of Plukenetia volubilis L.were analyzed.The results showed that with the increase of planting years,soil pH,EC,TDS decreased significantly,and rhizosphere and non-rhizosphere soil trace elements had no obvious rule of change; the content of soil organic matter,ammoniacal nitrogen and total nitrogen increased with the increase of continuous cropping years,the soil of Plukenetia volubilis L.planted in 6 years was the highest,while total phosphorus and nitrate showed a decreasing trend,reaching the lowest value at 6 years.In addition,there were differences in the changes of enzymes in rhizosphere and non-rhizosphere soils at different planting times.Correlation analysis showed that soil enzymes were significantly correlated with soil physicochemical properties(P<0.05).The results of the study indicated that the different planting times should pay more attention to the changes of soil pH and soil nutrients.It is recommended that reasonable fertilization could ensure the sustainable development of the soil.
参考文献/References:
[1]曹慧,孙辉,杨浩,等.土壤酶活性及其对土壤质量的指示研究进展[J].应用与环境生物学报,2003,9(1):103-109.
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备注/Memo
收稿日期:2021-06-15