Seasonal absorbed features of mineral elements and their relationships in needles of planted Larix leptolepis

Abstract

Abstract: Contents of nine mineral elements (N, P, K, Ca, Mg, Cu, Zn, Fe and Mn) in needles of planted Larix leptolepis were analysed, and variation patterns of these elements in growing season were investigated. The results show that modified exponential curves are suitable to describe the seasonal variation of elements in L.leptolpeis needles. The relationship between absorbed macroelement contents and chemical factors effecting the distribution of elements in needles is discussed, and that between contents N, Pand Kis also discussed.

Key words: Plantation, Mineral element

Li Peizhi, Fan Shihua, Zhang Songyun . Seasonal absorbed features of mineral elements and their relationships in needles of planted Larix leptolepis[J]. Chinese Journal of Applied Ecology, 1991, 2(3): 207-213.

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Seasonal absorbed features of mineral elements and their relationships in needles of planted Larix leptolepis

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