RESEARCHES ON BIOMASS AND NUTRIENTACCUMULATION OF UNDERSTOREY IN THE SECONDGENERATION OF YOUNG CHINESE FIR PLANTATION Ⅱ.ACCUMULATION AND DISTRIBUTION OF NUTRIENT ELEMENTS IN UNDERSTORY
Abstract:Contents,accumulation and distribution of 13 nutrient elements in shrub,herb and litter stratum of the young Chinese fir stand war studied in Huitong.The results showed that contents of nutrient elements varied among species and among organs of the same species.Regarding accumulation of major nutrient elements,the order waS N>Ca>K>Mg>P in shrub stratum,N>K>Ca>Mg>P in herb stratum,and Ca>N>K>Mg>P in Litter。