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Effect of date palm waste compost on forage alfalfa growth, yield, seed yield and minerals uptake

M. A. Benabderrahim,W. Elfalleh,Hayfa Belayadi,M. Haddad

Published 2018 in International Journal of Recycling of Organic Waste in Agriculture

ABSTRACT

PurposeDate palm (Phoenix dactylifera L.) is one of the predominant fruit trees grown in oases ecosystems (Southern Mediterranean regions) and produces several wastes during practicing cultivation since fruit and bunch thinning is frequently applied. Yet, the valorization of date palm wastes as bioresources has received little attention. The main objective for the present research is to assess palm trees compost (P-compost) as organic fertilizer for alfalfa (Medicago sativa L.).MethodsThe experiment was carried out in an experimental field involving four replicates and three soil amendment treatments (1) control, conventional mineral fertilizer diammonium phosphate, (2) 30 t ha−1 of cow manure, and (3) 30 t ha−1 of palm tree compost (P-compost). Plots were planted on with alfalfa and the measurements of studied traits (growth, yield, seed yield and minerals uptake) were determined for two crop seasons (2010 and 2011).ResultsCompared with untreated soil, the palm compost application at 30 t ha−1 improved significantly both organic matter and water retention capacity of the soil and decreased the electrical conductivity (− 70%). Furthermore, palm compost supply significantly increased fresh biomass production of alfalfa by 21 and 28%, respectively, during the first and second seasons. Also, it enhanced the grain yield and growth rate (stem length and leafs expansion) of this species. At the first crop season, the palm compost application had a positive impact on minerals nutrition compared to the control treatment, with improving rates of + 32% for phosphorus, + 25% for potassium and + 6% for nitrogen. In addition, these contents were higher than in plants grown under cow manure amendment. However, at the second season, the palm compost improved only P and N contents.ConclusionsThis preliminary finding suggests that palm compost at moderate dose (30 t ha−1) could be highly beneficial for forage plant yield.

PUBLICATION RECORD

  • Publication year

    2018

  • Venue

    International Journal of Recycling of Organic Waste in Agriculture

  • Publication date

    2018-03-01

  • Fields of study

    Agricultural and Food Sciences, Biology, Environmental Science

  • Identifiers
    DOI 10.1007/s40093-017-0182-6
  • External record

    Open on Semantic Scholar

  • Source metadata

    Semantic Scholar

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