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- W2391772722 abstract "【Objective】 The purpose of this study was to probe into the effects of external source C(cane sugar) and source N(NH4NO3) on forests' soil and living leaves,in order to provide theoretical direction for forest ecosystem management.【Method】 Different levels of external C,N disturbance with C source(cane sugar:C1.1 500 kg/hm2,C2.2 000 kg/hm2)and N source(NH4NO3:N1.450 kg/hm2,N2.750 kg/hm2) were used to 4 kinds of typical forests(Cercidiphyllum japonicum,Pinus yunnanensis,Betula platyphylla,Picea asperata)in Minjiang areas.【Result】 C and N disturbing effects on C,N contents in forest soil were different: heavy disturbances for Cercidiphyllum japonicum,light disturbances for Pinus yunnanensis and light disturbances for Picea asperata could increase their C and N contents;C and N disturbances could increase the C content in the living leaves of Cercidiphyllum japonicum,Pinus yunnanensis and Betula platyphylla,and the C content increased with the increase of the C and N disturbances of the fomer two forests.C disturbances could increase the C content in the living leaves of Picea asperata,but N disturbances could decrease the C content.N disturbances could increase the N content in the living leaves of Cercidiphyllum japonicum obviously,light C and N disturbances could increase N content in Picea asperata living leaves,disturbances were not significant for N content in the living leaves of Pinus yunnanensis.【Conclusion】 It suggests that:C2 and N2 level disturbances have better impact on C.japonicum;C1 level disturbances have better impact on Pinus yunnanensis;C1 and N1 level disturbances have better impact on Picea asperata;disturbances for Betula platyphylla is not suitable." @default.
- W2391772722 created "2016-06-24" @default.
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- W2391772722 date "2008-01-01" @default.
- W2391772722 modified "2023-09-23" @default.
- W2391772722 title "Effects of external source C,N disturbances on C,N content in forests' soil and living leaves in typical forest ecosystem" @default.
- W2391772722 hasPublicationYear "2008" @default.
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