Publications

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2011
Delineation of homogeneous field zones based on soil fertility indices in a durum wheat - chickpea rotation, Diacono, M., Abdelrahman H. M., Cocozza C., Benedetto De D., Troccoli A., Rubino P., and Castrignanò A. , Proceedings of The 8th European Conference on Precision Agriculture "Precision Agriculture 2011", ISBN 978-80-904830-5-7, Czech Centre for Science and Society, Prague, Czech Republic, (2011) Abstract

One of the most cost-effective approaches in precision farming is the managing of relatively contiguous homogeneous zones in the field. Soil samples were collected in a 3 ha field of the CRA-Cereal Research Centre’s experimental farm located in Foggia (southern Italy). Soil carbon mineralization indices and physical-chemical properties were interpolated by using the geostatistical techniques of kriging and co-kriging. The application of a clustering algorithm, based on a non-parametric density estimate, to the (co)kriged surface variables produced the subdivision of the field into four distinct classes. This information can be useful for the site-specific supply of nutrient inputs, in order to match crop requirements with intrinsic patterns of soil fertility.

Effetti Della Sostituzione Della Torba Con Compost Di Posidonia Sulla Produzione Di Piantine Di Lattuga, Mininni, C., Montesano F., Abdelrahman H. M., Cocozza C., Miano T., Santamaria P., and Parente A. , the XXIX convegno nazionale, "relazione suolo-pianta e qualita' delle produzioni, Foggia, Italy, p.61, (2011)
Soil organic carbon changes during transition from conventional to organic farming management., Abdelrahman, H. M., Cocozza C., Olk D., Vonella A. V., Montemurro F. P., and Miano T. M. , the XXIX convegno nazionale, "relazione suolo-pianta e qualita' delle produzioni. 21-23 Sep 2011, Bari, p.40, (2011)
2009
Biodegradable materials compostability, Ceglie, F. G., Erriquens F. G., Abdelrahman H. M., and Verrastro V. , 15th International Symposium MESAEP, Environmental Pollution and its Impact on Life in the Mediterranean Region, Bari, Italy, p.22, (2009)
2008
Evaluation of compost as peat substitute in growing media for organic melon seedlings production, Abdelrahman, H. M. , Valenzano, Bari, Italy, (2008) Abstracthamada_abderahman_egypt_final.pdf

Two types of compost were produced: green waste compost (GWC) and mixed waste compost (MWC). GWC was composed of green wastes while MWC was composed of green wastes and animal manure. Both composts have alkaline pH, acceptable salinity content, low C/N ratio. Humification indices and IsoElectroFocusing (IEF) were used to describe the evolution of organic matter during composting. Humified carbon has increased for both compost but with a higher percentage for GWC. IEF profiles for both composts were similar and they did not provide further interpretation. A greenhouse trial was carried out to evaluate peat substitutability at 30, 50 and 70% compost on melon seedlings growth. Compost addition has affected chemical and physical properties of the mixes. Biometric parameters and shoot content of nutrients were measured. The results obtained showed that peat could be substituted with 30% of both composts. Moreover MWC could successfully replace peat with a percentage up to 70%.

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