Olive Pomace Compost in Organic Emmer Crop: Yield, Soil Properties, and Heavy Metals’ Fate in Plant and Soil

  • Mariangela DiaconoEmail author
  • Francesco Montemurro
Research Article


The effects of olive pomace (OP) compost application on yield and quality of organic emmer, on soil characteristics, and on heavy metals accumulation in plant and soil have been evaluated. The research was carried out in Mediterranean environment for four consecutive years comparing the application of OP compost in two doses and with the addition of a bio-activator. These fertilizing treatments were compared to a commercial organic amendment and an unfertilized control. The application of OP compost ensured both a comparable level of yield than the commercial fertilizer and a high content of protein in the grain, suggesting that it could be an interesting strategy of fertilization for organic emmer. No remarkable heavy metals’ accumulation was found in the plant and soil. Low transfer coefficients and soil accumulation were recorded at the end of experiment, indicating that OP compost could be used as suitable soil amendment, ensuring at the same time an eco-friendly recycling of waste materials. It can optimize organic emmer yield production, sustain soil fertility, and reduce pollution risks linked to the landfill disposal. These results are interesting to develop nitrogen fertilizer strategies for emmer crop, which is an underutilized ancient cereal that well fits for organic production.


Triticum dicoccum L. Olive pomace Yield components Soil fertility Heavy metals Bio-activators 



Many thanks to Dr. Michele Maiorana for his careful and complete review of the manuscript.

Funding Information

The work has been supported by the Italian Ministry of Agriculture and Forestry Policies under contract No. 24324/7742/2009 (Research project: “Sistemi colturali e interventi agronomici innovativi in agricoltura biologica” BIO.INNOVA).


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Copyright information

© Sociedad Chilena de la Ciencia del Suelo 2019

Authors and Affiliations

  1. 1.Consiglio per la ricerca in agricoltura e l’analisi dell’economia agraria - Research Centre for Agriculture and EnvironmentBariItaly
  2. 2.Consiglio per la ricerca in agricoltura e l’analisi dell’economia agraria - Research Centre for Vegetable and Ornamental CropsMonsampolo del TrontoItaly

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