贵阳学院几种校园绿化植物根际土有效磷含量
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摘要
以贵阳学院9种校园绿化植物为研究对象,采用0.5mol/L Na HCO3浸提—钼锑抗比色法,分别对其根际土壤有效磷含量进行测定。结果表明:校园内八角金盘(Fatsia japonica(Thunb.)Decne.et Planch.)等9种绿化植物根际土的有效磷含量处于中等水平。常绿灌木、落叶灌木和落叶乔木三种生态类型绿化植物的根际土有效磷含量和p H值具有相同的变化趋势,均表现为落叶灌木<常绿灌木<落叶乔木。绿化植物根际土有效磷含量在落叶乔木与常绿灌木和落叶灌木与落叶乔木间均存在显著差异(P<0.05),而在常绿灌木和落叶灌木间无显著差异(P>0.05)。对生长发育期的校园绿化植物施用磷肥时,不同生态类型植物的施肥量应区别对待,建议灌木类植物较乔木类植物相对多施,而常绿类植物又较落叶类植物要相对少施。
Using 0. 5 mol/L Na HCO3 extraction and Mo-Sb colorimetric method,available phosphorus contents in rhizosphere soil of 9 campus plants in Guiyang university were tested. Results show that 9 campus plants in Guiyang university are all in medium level. Contents of available phosphorus in rhizosphere soil and the value of p H have the same changing trend of three ecological types. It shows that deciduous shrub < evergreen shrubs < deciduous trees. Contents of available phosphorus in rhizosphere soil between deciduous shrub and evergreen,deciduous shrub and deciduous trees are both significant different( P < 0. 05). But There is no significant difference between deciduous shrub and evergreen shrubs( P >0. 05). The amount of phosphate fertilizer should be different for different ecological types when spreading fertilize to growing campus plants. Shrub plants should increase the amount of fertilizer than that of trees and evergreen plants should less than that deciduous plants.
Using 0. 5 mol/L Na HCO3 extraction and Mo-Sb colorimetric method,available phosphorus contents in rhizosphere soil of 9 campus plants in Guiyang university were tested. Results show that 9 campus plants in Guiyang university are all in medium level. Contents of available phosphorus in rhizosphere soil and the value of p H have the same changing trend of three ecological types. It shows that deciduous shrub < evergreen shrubs < deciduous trees. Contents of available phosphorus in rhizosphere soil between deciduous shrub and evergreen,deciduous shrub and deciduous trees are both significant different( P < 0. 05). But There is no significant difference between deciduous shrub and evergreen shrubs( P >0. 05). The amount of phosphate fertilizer should be different for different ecological types when spreading fertilize to growing campus plants. Shrub plants should increase the amount of fertilizer than that of trees and evergreen plants should less than that deciduous plants.
引文
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[2]王娜娜,周奋东,黄逸汝,等.宁夏大学校园植物多样性调查与分析[J].农业科学研究,2016,37(3):92-96.
[3]王利鑫,弓弼,申依宁,等.校园绿地冬季白天小气候效应分析——以西北农林科技大学南校区为例[J].西北林学院学报,2016,31(1):292-297.
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[11]向万胜,黄敏,李学垣.土壤磷素的化学组分及其植物有效性[J].植物营养与肥料学报,2004,10(6):663-670.
[12]杨君,周卫军,杨威,等.茶树根际与非根际土壤磷形态变化特征[J].水土保持通报,2013,33(4):216-220.
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[15]罗绪强,王世杰,张桂玲,等.茂兰喀斯特地区常见蕨类植物根际土氮、磷、钾营养元素含量特征[J].地球与环境,2014,42(3),269-278.
[16]詹媛媛,薛梓瑜,任伟,等.干旱荒漠区不同灌木根际与非根际土壤氮素的含量特征[J].生态学报,2009,29(1):59-66.
[17]Riley D,Barber S A.Bicarbonate accumulation and p H changes at the soybean(Glycine max(L.)Merr.)rootsoil interface[J].Soil Science Society of America Journal,1969,33(6):905-908.
[18]苏宝玲,韩士杰,王建国,等.根际微域研究中土样采集方法的研究进展[J].应用生态学报,2000,11(3):477-480.
[2]王娜娜,周奋东,黄逸汝,等.宁夏大学校园植物多样性调查与分析[J].农业科学研究,2016,37(3):92-96.
[3]王利鑫,弓弼,申依宁,等.校园绿地冬季白天小气候效应分析——以西北农林科技大学南校区为例[J].西北林学院学报,2016,31(1):292-297.
[4]刘东,李运婷,伍燕玲,等.重庆市校园植物的多样性调查与分析[J].西南师范大学学报(自然科学版),2014,39(4):77-82.
[5]詹红星,庄雪影,周玉洁,等.广州高校校园植物调查与景观特色评价[J].亚热带植物科学,2017,46(1):53-58.
[6]王庆仁,李继云,李振声.高效利用土壤磷素的植物营养学研究[J].生态学报,1999,19(3):417-421.
[7]鲁如坤.土壤磷素化学研究进展[J].土壤学进展,1990,18(6):1-5.
[8]李博,赵斌,彭容豪,等.陆地生态系统生态学原理[M].北京:高等教育出版社,2005.
[9]李祖荫,刘军,孔晓玲.石灰性土壤中粘粒与碳酸钙的固磷作用[J].土壤肥料,1983(2):13-16.
[10]张彦东,白尚斌,王政权,等.落叶松根际土壤磷的有效性研究[J].应用生态学报,2001,12(1):31-34.
[11]向万胜,黄敏,李学垣.土壤磷素的化学组分及其植物有效性[J].植物营养与肥料学报,2004,10(6):663-670.
[12]杨君,周卫军,杨威,等.茶树根际与非根际土壤磷形态变化特征[J].水土保持通报,2013,33(4):216-220.
[13]韩兴国,李凌浩,黄建辉.生物地球化学概论[M].北京:高等教育出版社,1999.
[14]王国梁,刘国彬,许明祥.黄土丘陵区纸坊沟流域植被恢复的土壤养分效应[J].水土保持通报,2002,22(1):1-5.
[15]罗绪强,王世杰,张桂玲,等.茂兰喀斯特地区常见蕨类植物根际土氮、磷、钾营养元素含量特征[J].地球与环境,2014,42(3),269-278.
[16]詹媛媛,薛梓瑜,任伟,等.干旱荒漠区不同灌木根际与非根际土壤氮素的含量特征[J].生态学报,2009,29(1):59-66.
[17]Riley D,Barber S A.Bicarbonate accumulation and p H changes at the soybean(Glycine max(L.)Merr.)rootsoil interface[J].Soil Science Society of America Journal,1969,33(6):905-908.
[18]苏宝玲,韩士杰,王建国,等.根际微域研究中土样采集方法的研究进展[J].应用生态学报,2000,11(3):477-480.