间伐对马尾松人工林根际土壤磷组分的影响
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摘要
以南京溧水林场间伐10年后的30年生马尾松(Pinus massoniana)人工林为对象,研究了不同间伐强度(对照,未间伐,CK;弱度间伐,LIT,25%;中度间伐,MIT,45%;强度间伐,HIT,65%)对根际土壤磷组分的影响。结果表明,与对照相比,中度间伐显著降低了根际土壤全磷和有机磷含量;强度间伐显著降低了根际土壤无机磷总量,且各处理间差异显著;中度和弱度间伐增加了根际土壤酸性磷酸酶活性以及速效磷、微生物量磷和活性磷含量(H_2O-Pi、NaHCO_3-Pi和NaHCO_3-Po),而显著降低NaOH-Po含量;间伐对稳定态磷含量(HCl-P和残留-P)影响不显著。除稳定态磷外,根际土壤中磷组分含量均大于非根际,具有明显的正根际效应。土壤含水量、pH、有机质含量及酸性磷酸酶活性是影响土壤磷含量的重要因子。弱度和中度间伐有利于提高根际土壤磷的有效性。
We investigated the responses of phosphorus( P) fractions of rhizosphere soil to thinning in a 30-year-old Pinus massoniana plantation after 10 years of thinning. There were four thinning intensities: control( CK,0%),low intensity thinning( LIT,25%),moderate intensity thinning( MIT,45%),and high intensity thinning( HIT,65%). The results showed that MIT significantly reduced the total P and organic P concentrations, whereas HIT significantly decreased the concentrations of inorganic P in the rhizosphere soil. LIT and MIT increased soil acid phosphatase activity,available P,microbial biomass P,and easily-available P( H_2O-Pi,NaHCO_3-Pi and NaHCO_3-Po) in rhizosphere soil,but decreased Na OH-Po. Thinning had no effect on the non-available P. Except for non-available P,all the P fractions in rhizosphere soil were higher than those in bulk soil,indicating a positive rhizosphere effect. Soil P content was closely correlated with soil moisture,p H,organic matter content and acid phosphatase activity.These results suggest that LIT and MIT improved soil P availability,which could be used as efficient management practices in P. massoniana plantations.
We investigated the responses of phosphorus( P) fractions of rhizosphere soil to thinning in a 30-year-old Pinus massoniana plantation after 10 years of thinning. There were four thinning intensities: control( CK,0%),low intensity thinning( LIT,25%),moderate intensity thinning( MIT,45%),and high intensity thinning( HIT,65%). The results showed that MIT significantly reduced the total P and organic P concentrations, whereas HIT significantly decreased the concentrations of inorganic P in the rhizosphere soil. LIT and MIT increased soil acid phosphatase activity,available P,microbial biomass P,and easily-available P( H_2O-Pi,NaHCO_3-Pi and NaHCO_3-Po) in rhizosphere soil,but decreased Na OH-Po. Thinning had no effect on the non-available P. Except for non-available P,all the P fractions in rhizosphere soil were higher than those in bulk soil,indicating a positive rhizosphere effect. Soil P content was closely correlated with soil moisture,p H,organic matter content and acid phosphatase activity.These results suggest that LIT and MIT improved soil P availability,which could be used as efficient management practices in P. massoniana plantations.
引文
陈福婵,李传涵.1994.杉木根际与非根际土壤酶活性比较.林业科学,30(2):170-175.
陈金林,潘根兴.2002.杉林土壤中磷的固定作用及其抑制因素.生态学杂志,21(5):22-25.
陈立新.2003.落叶松土壤有机磷形态与林木生长量的关系.应用生态学报,14(12):2157-2161.
李瑞霞.2014.间伐对马尾松细根生物量、形态和碳氮含量的影响(博士学位论文).南京:南京林业大学.
欧江,刘洋,张健,等.2014.长江上游马尾松人工林采伐林窗对土壤磷含量的初期影响.生态学杂志,33(3):592-601.
魏勇,张焕朝,张金龙.2003.杨树根际土壤磷的分布特征及其有效性.南京林业大学学报:自然科学版,27(5):20-24.
杨小燕,范瑞英,王恩姮,等.2014.典型黑土区不同水土保持林表层土壤磷素形态及有效性.应用生态学报,25(6):1555-1560.
张鼎华,林开淼,李宝福,等.2011.杉木、马尾松及其混交林根际土壤磷素特征.应用生态学报,22(11):2815-2821.
张彦东,白尚斌,王政权,等.2001.落叶松根际土壤磷的有效性研究.应用生态学报,12(1):31-34.
Carter MR,Gregorich EG.2008.Soil Sampling and Methods of Analysis.Boca Raton:CRC press.
Chen H.2003.Phosphatase activity and P fractions in soils of an18-year-old Chinese fir(Cunninghamia lanceolata)plantation.Forest Ecology and Management,178:301-310.
Cherubin MR,Franco ALC,Cerri CEP,et al.2016.Phosphorus pools responses to land-use change for sugarcane expansion in weathered Brazilian soils.Geoderma,265:27-38.
De Schrijver A,Vesterdal L,Hansen K,et al.2012.Four decades of post agricultural forest development have caused major redistributions of soil phosphorus fractions.Oecologia,169:221-234.
Dieter D,Elsenbeer H,Turner B.2010.Phosphorus fractionation in lowland tropical rainforest soils in Central Panama.Catena,82:118-125.
Dinkelaker B,Marschner H.1992.In vivo demonstration of acid phosphatase activity in the rhizosphere of soil-grown plants.Plant and Soil,144:199-205.
Hinsinger P,Gilkes RJ.1996.Mobilization of phosphate from phosphate rock and alumina-absorbed phosphate by the roots of ryegrass and clover as related to the rhizosphere p H.European Journal of Soil Science,47:533-544.
Holford ICR.1997.Soil phosphorus:Its measurement,and its uptake by plants.Soil Research,35:227-239.
Hu B,Yang B,Pang X,et al.2016.Responses of soil phosphorus fractions to gap size in a reforested spruce forest.Geoderma,279:61-69.
Imai N,Kitayama K,Titin J.2012.Effects of logging on phosphorus pools in a tropical rainforest of Borneo.Journal of Tropical Forest Science,24:5-17.
Kaye JP,Hart SC,FuléPZ,et al.2005.Initial carbon,nitrogen,and phosphorus fluxes following ponderosa pine restoration treatments.Ecological Applications,15:1581-1593.
Maranguit D,Guillaume T,Kuzyakov Y.2017.Land-use change affects phosphorus fractions in highly weathered tropical soils.Catena,149:385-393.
Mc Michael BL,Persson H.1991.Plant Roots and Their Environment.Amsterdam:Elsevier Science.
Negassa W,Leinweber P.2009.How does the Hedley sequential phosphorus fractionation reflect impacts of land use and management on soil phosphorus:A review.Journal of Plant Nutrition and Soil Science,172:305-325.
Safari Sinegani AA,Rashidi T.2011.Changes in phosphorus fractions in the rhizosphere of some crop species under glasshouse conditions.Journal of Plant Nutrition and Soil Science,174:899-907.
Smith FW.2002.The phosphate uptake mechanism.Plant and Soil,245:105-114.
Solomon D,Lehmann J,Mamo T,et al.2002.Phosphorus forms and dynamics as influenced by land use changes in the sub-humid Ethiopian highlands.Geoderma,105:21-48.
Spears JDH,Lajtha K,Caldwell BA,et al.2001.Species effect of Ceanothus velutinus versus Pseuddotsuga menziesii,Douglas-fir,on soil phosphorus and nitrogen properties in the Oregon cascades.Forest Ecology and Management,149:205-216.
Taradar JC,Claassen N.1988.Organic phosphorus compound as a phosphorus source for higher plants through the activity of phosphatase produced by plant roots and microorganism.Biology and Fertility of Soils,5:308-312.
Turrion MB,Glaser B,Solomon D,et al.2000.Effects of deforestation on phosphorus pools in mountain soils of the Alay Range,Khyrgyzia.Biology and Fertility of Soils,31:134-142.
Yang W,Cheng H,Hao F,et al.2012.The influence of landuse change on the forms of phosphorus in soil profiles from the Sanjiang Plain of China.Geoderma,189-190:207-214.
Ye D,Li T,Yu H,et al.2015.P accumulation of Polygonum hydropiper,soil P fractions and phosphatase activity as affected by swine manure.Applied Soil Ecology,86:10-18.
Zhao Q,Zeng DH,Lee DK,et al.2007.Effects of Pinus sylvestris var.mongolica afforestation on soil phosphorus status of the Keerqin Sandy Lands in China.Journal of Arid Environments,69:569-582.
陈金林,潘根兴.2002.杉林土壤中磷的固定作用及其抑制因素.生态学杂志,21(5):22-25.
陈立新.2003.落叶松土壤有机磷形态与林木生长量的关系.应用生态学报,14(12):2157-2161.
李瑞霞.2014.间伐对马尾松细根生物量、形态和碳氮含量的影响(博士学位论文).南京:南京林业大学.
欧江,刘洋,张健,等.2014.长江上游马尾松人工林采伐林窗对土壤磷含量的初期影响.生态学杂志,33(3):592-601.
魏勇,张焕朝,张金龙.2003.杨树根际土壤磷的分布特征及其有效性.南京林业大学学报:自然科学版,27(5):20-24.
杨小燕,范瑞英,王恩姮,等.2014.典型黑土区不同水土保持林表层土壤磷素形态及有效性.应用生态学报,25(6):1555-1560.
张鼎华,林开淼,李宝福,等.2011.杉木、马尾松及其混交林根际土壤磷素特征.应用生态学报,22(11):2815-2821.
张彦东,白尚斌,王政权,等.2001.落叶松根际土壤磷的有效性研究.应用生态学报,12(1):31-34.
Carter MR,Gregorich EG.2008.Soil Sampling and Methods of Analysis.Boca Raton:CRC press.
Chen H.2003.Phosphatase activity and P fractions in soils of an18-year-old Chinese fir(Cunninghamia lanceolata)plantation.Forest Ecology and Management,178:301-310.
Cherubin MR,Franco ALC,Cerri CEP,et al.2016.Phosphorus pools responses to land-use change for sugarcane expansion in weathered Brazilian soils.Geoderma,265:27-38.
De Schrijver A,Vesterdal L,Hansen K,et al.2012.Four decades of post agricultural forest development have caused major redistributions of soil phosphorus fractions.Oecologia,169:221-234.
Dieter D,Elsenbeer H,Turner B.2010.Phosphorus fractionation in lowland tropical rainforest soils in Central Panama.Catena,82:118-125.
Dinkelaker B,Marschner H.1992.In vivo demonstration of acid phosphatase activity in the rhizosphere of soil-grown plants.Plant and Soil,144:199-205.
Hinsinger P,Gilkes RJ.1996.Mobilization of phosphate from phosphate rock and alumina-absorbed phosphate by the roots of ryegrass and clover as related to the rhizosphere p H.European Journal of Soil Science,47:533-544.
Holford ICR.1997.Soil phosphorus:Its measurement,and its uptake by plants.Soil Research,35:227-239.
Hu B,Yang B,Pang X,et al.2016.Responses of soil phosphorus fractions to gap size in a reforested spruce forest.Geoderma,279:61-69.
Imai N,Kitayama K,Titin J.2012.Effects of logging on phosphorus pools in a tropical rainforest of Borneo.Journal of Tropical Forest Science,24:5-17.
Kaye JP,Hart SC,FuléPZ,et al.2005.Initial carbon,nitrogen,and phosphorus fluxes following ponderosa pine restoration treatments.Ecological Applications,15:1581-1593.
Maranguit D,Guillaume T,Kuzyakov Y.2017.Land-use change affects phosphorus fractions in highly weathered tropical soils.Catena,149:385-393.
Mc Michael BL,Persson H.1991.Plant Roots and Their Environment.Amsterdam:Elsevier Science.
Negassa W,Leinweber P.2009.How does the Hedley sequential phosphorus fractionation reflect impacts of land use and management on soil phosphorus:A review.Journal of Plant Nutrition and Soil Science,172:305-325.
Safari Sinegani AA,Rashidi T.2011.Changes in phosphorus fractions in the rhizosphere of some crop species under glasshouse conditions.Journal of Plant Nutrition and Soil Science,174:899-907.
Smith FW.2002.The phosphate uptake mechanism.Plant and Soil,245:105-114.
Solomon D,Lehmann J,Mamo T,et al.2002.Phosphorus forms and dynamics as influenced by land use changes in the sub-humid Ethiopian highlands.Geoderma,105:21-48.
Spears JDH,Lajtha K,Caldwell BA,et al.2001.Species effect of Ceanothus velutinus versus Pseuddotsuga menziesii,Douglas-fir,on soil phosphorus and nitrogen properties in the Oregon cascades.Forest Ecology and Management,149:205-216.
Taradar JC,Claassen N.1988.Organic phosphorus compound as a phosphorus source for higher plants through the activity of phosphatase produced by plant roots and microorganism.Biology and Fertility of Soils,5:308-312.
Turrion MB,Glaser B,Solomon D,et al.2000.Effects of deforestation on phosphorus pools in mountain soils of the Alay Range,Khyrgyzia.Biology and Fertility of Soils,31:134-142.
Yang W,Cheng H,Hao F,et al.2012.The influence of landuse change on the forms of phosphorus in soil profiles from the Sanjiang Plain of China.Geoderma,189-190:207-214.
Ye D,Li T,Yu H,et al.2015.P accumulation of Polygonum hydropiper,soil P fractions and phosphatase activity as affected by swine manure.Applied Soil Ecology,86:10-18.
Zhao Q,Zeng DH,Lee DK,et al.2007.Effects of Pinus sylvestris var.mongolica afforestation on soil phosphorus status of the Keerqin Sandy Lands in China.Journal of Arid Environments,69:569-582.