Increasing range production from fodder shrubs in low rainfall areas

M. W. Abu-Zanat, George B Ruyle, N. F. Abdel-Hamid

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

Field experiments were conducted at the University of Jordan Research Station at Al-Muwaqqar village to develop a simple technique for establishing Atriplex seedlings, and to evaluate the browse production under natural precipitation compared with shrubs receiving additional harvested water. Overall survival of the transplants after three growing seasons averaged 67% under strictly rainfed conditions compared to 95% when additional harvested water of 39mm was applied. Production of grazable browse of 3-year old shrubs averaged 380 and 1151kg DM (dry matter)ha-1 without and with additional water, respectively. Rain use efficiency averaged 1.14 and 4.48kg DMha -1year-1mm-1 for strictly rainfed conditions and additional harvested water, respectively. Intensity of cutting had a highly significant effect on the potential of shrub regrowth. Cutting shrubs at a height of 15 and 30cm above ground level reduced regrowth substantially, whereas cutting at 45cm enhanced the amount of regrowth. The different cutting intensities had no significant effect on survival of the severed shrubs, which indicates the high tolerance of saltbushes to cutting or browsing. Water-harvesting contour furrows are reasonable for establishing saltbush plantations in low rainfall areas (100-200mm). Additional harvested water in small amounts from macro-catchements had a substantial effect on shrub survival, biomass production and water use efficiency.

Original languageEnglish (US)
Pages (from-to)205-216
Number of pages12
JournalJournal of Arid Environments
Volume59
Issue number2
DOIs
StatePublished - Oct 2004

Fingerprint

fodder
shrub
shrubs
forage
rain
rainfall
regrowth
water
water harvesting
Atriplex
browsing
Jordan
furrows
water use efficiency
dry matter
villages
biomass production
plantation
growing season
village

Keywords

  • Arid lands
  • Atriplex halimus
  • Atriplex nummularia
  • Browse production
  • Cutting
  • Rain-use efficiency
  • Survival

ASJC Scopus subject areas

  • Earth-Surface Processes
  • Ecology

Cite this

Increasing range production from fodder shrubs in low rainfall areas. / Abu-Zanat, M. W.; Ruyle, George B; Abdel-Hamid, N. F.

In: Journal of Arid Environments, Vol. 59, No. 2, 10.2004, p. 205-216.

Research output: Contribution to journalArticle

Abu-Zanat, M. W. ; Ruyle, George B ; Abdel-Hamid, N. F. / Increasing range production from fodder shrubs in low rainfall areas. In: Journal of Arid Environments. 2004 ; Vol. 59, No. 2. pp. 205-216.
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