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TllcbiologicalcycIingofnutricntclc-lllcntslntl1cccosystclnisthecyclingbctweentllcplantconununityandsoilwitl1intheccosys-tclll(Ot/ington,l986).ltformsol1ebranchofbiogQochcn1icalcyclesandislnarkedwitl1higl1spccdal1dil1tcl1sit}'.Biologicalcyclcofnutri-cntclenlcntsiscorrelatedwithforestproduc-tit'it3'closcly-tbeabsorptionandutilizatio11ofthe11utricntelemcntsoftheplantareillflu-cnccddircctl3'orindirectlybykindsofenvi-ronn1cntallbctorsandsomephysiologicalandlllatcrialproducingprocessareattectcd.Sot… 相似文献
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