Quantification of organic carbon and primary nutrients in litter and soil in a foothill forest plantation of eastern Himalaya-中国Betway体育网页登陆

摘要 Thepresentstudywasanefforttounderstandtheamountoflitterfallanditssubsequentdecompositionandquantifythereleaseofavailablenutrientsandsoilphysicochemicalcharacteristicsinplantationsoffourforesttreespecies(Lagerstroemiaparviflora,Tectonagrandis,ShorearobustaandMicheliachampaca)intheChilapattaReserveForestoftheCoochBeharWildlifeDivisionintheTeraizoneofWestBengal,India.Themostlitter(5.61Mgha-1)wasproducedbyT.grandisplantationandtheleast(4.72Mgha-1)byL.parviflora.Thematerialturnoverratetothesoilthroughdecompositionfromtotallitterwasfastestduringthefirstquarteroftheyearandsubsequentlydecreasedduringthenexttwoquarters.Thematerialturnoverratewasonly1year,whichindicatesthatmorethan90%ofthetotallitterproduceddecomposedwithinayear.Theavailableprimarynutrientcontentinlittervariedacrossthefourplantationsovertheyear.Theplantationsgenerallydidnotsignificantlyinfluencethesoilphysicalcharacteristicsbutdidsignificantlyinfluencetheavailabilityofprimarynutrientsandorganiccarbonattwodepths(1-15and16-30cm)overtheyear.Theavailabilityofsoilprimarynutrientsinthefourplantationsalsoincreasedgraduallyfromthefirstquarteroftheyeartothethirdquarterandthendecreasedduringthelastquartertothesamelevelasinthefirstquarteroftheyearatbothdepths.Theavailabilityforsoilorganiccarbonintheplantationsfollowedasimilatrend.Theamountoflitterproducedandthematerialturnoverinthesoilinthedifferentplantationsdiffered,influencingthenutrientavailabilityandorganiccarbonattheplantations.TheamountofsoilorganiccarbonwashighestforT.grandis(2.52Mgha-1)andlowestforL.parviflora(2.12Mgha-1).Litteristhesourceofsoilorganicmatter,andmorethelitterthatisproducedbytheplantations,thehigherwillbethecontentandamountofsoilorganiccarbonintheplantation.

1.Soil Organic Carbon in a Changing World.土壤学,2017-05.
2Zhang Jia-fnshen;Tao Shu;Cao Jun.Fluorescence characteristics of water soluble organic carbon in eastern China.自然地理学,2001-04.
3SUN Yanli;MA Jianhua;LI Can.Content and densities of soil organic carbon in urban soil in different function districts of Kaifeng.自然地理学,2010-01.
4Mahasin Ali Khan;Subir Bera.Occurrence of Persea Mill. from the Siwalik Forest of Darjeeling, Eastern Himalaya： Paleoclimatic and Paleogeographic Implications.地质学,2016-05.
5Ehsan Abdi;Shojaat Babapour;Baris Majnounian;Ghavamodin Zahedi Amiri;Azade Deljouei.How does organic matter affect the physical and mechanical properties of forest soil?.林学,2018-03.
6Tilak Prasad Gautam;Tej Narayan Mandal.Effect of disturbance on biomass, production and carbon dynamics in moist tropical forest of eastern Nepal.林学,2016-03.
7Xiaolu Sun;Zuoxin Tang;Michael G. Rya;Yeming You;Osbert Jianxin Sun.Changes in soil organic carbon contents and fractionations of forests along a climatic gradient in China.林学,2019-01.
8ZHU Shufa;LIU Congqiang.Stable carbon isotopic composition of soil organic matter in the karst areas of Southwest China.地球化学,2008-02.
9HUANG Qian-Ru;HU Feng;HUANG Shan;LI Hui-Xin;YUAN Ying-Hong;PAN Gen-Xing;ZHANG Wei-Jian.Effect of Long-Term Fertilization on Organic Carbon and Nitrogen in a Subtropical Paddy Soil.土壤学,2009-06.
10Arun Jyoti NATH;Rattan LAL.Effects of Tillage Practices and Land Use Management on Soil Aggregates and Soil Organic Carbon in the North Appalachian Region, USA.土壤学,2017-01.

Quantification of organic carbon and primary nutrients in litter and soil in a foothill forest plantation of eastern Himalaya

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