Litter fall and nitrogen reabsorption in zygophyllum dvmosvm in the negev desert

Yosef Steinberger

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    6 Scopus citations

    Abstract

    In 1983-1984 plant litter of Zygophyllum dumosum was collected in traps in the Negev Desert of Israel. The litter was handsorted into leaves, steins, flowers, and fruits. The mean total litter production was 433 g per shrub, about 70 kg ha-1yr-1of litter. Leaves were generally the largest litter category constituting 65-74% of the total. The total nitrogen content of the leaves was found to be significantly higher (p < 0.005) than the total nitrogen found in litter traps. Unexpectedly, an increase in total leaf nitrogen content was recorded in 1984 in spite of lower rainfall.

    Original languageEnglish
    Pages (from-to)33-39
    Number of pages7
    JournalIsrael Journal of Botany
    Volume40
    Issue number1
    DOIs
    StatePublished - 1 Jan 1991

    Bibliographical note

    Funding Information:
    This research was supported by Grant No. 2910/82 from the United States-Israel Binational Science Foundation (BSF), Jerusalem, Israel. The field work was carried out at the Avdat Farm, Blaustein Desert Research Institute, Sde Boker, Israel. Special thanks to Prof. W.G. Whitford for his encouragement and support of this work. Special thanks to the anonymous reviewers for their useful advice and constructive criticism.

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