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http://hdl.handle.net/2067/43535
Titolo: | Weed Spectrum in Durum Wheat under Different Soil Tillage and Fertilizer Application in Mediterranean Environment | Autori: | Petroselli, Verdiana Radicetti, Emanuele Langeroodi, Alireza Safahani Allam, Mohamed Mancinelli, Roberto |
Rivista: | SUSTAINABILITY | Data pubblicazione: | 2021 | Abstract: | Agricultural intensification may cause significant changes in weed density due to high weed competitiveness. Therefore, sustainable practices are to be designed to get maximum benefits of plant biodiversity in the agro-ecosystems. Field experiments were conducted in 2013/2014 and 2014/2015 to evaluate the impact of fertilizer source and soil tillage on weed spectrum in durum wheat (Triticum durum Desf.). Treatments in this study were: (i) two fertilizer sources (mineral fertilizer (MIN) and municipal organic waste (MOW)), and (ii) three tillage regimes (plowing (Plo), subsoiling (Sub) and spading (SM)). A randomized complete block design with three replications was adopted. Data on weed density and biomass were collected at the wheat tillering stage. Weed density was higher in MOW than MIN (53.8 vs. 44.0 plants m2), especially in 2014/2015, while S was the highest among tillage regimes (58.2 plants m2). Annual and monocots species were always the highest in subsoiling (43.5 and 10.1 plants m2). The density of perennial and dicots species was higher in MOW compared with MIN plots, regardless of soil tillage management. Weed community, in terms of weed species composition, varied between the two fertilizer sources, while among soil tillage regimes, it only differed between plowing and subsoiling. Based on the analysis of weed community composition, annual dicot species were mainly associated with plowing, while monocots tended to be associated with MIN fertilizer. Spading tillage may be a useful strategy for managing weed diversity under organic fertilization, where mineral soil nitrogen availability was limited. Conversely, the spading machine produced lower grain yields than plowing with mineral fertilizer application. |
URI: | http://hdl.handle.net/2067/43535 | ISSN: | 1937-0709 | DOI: | 10.3390/su13137307 |
È visualizzato nelle collezioni: | A1. Articolo in rivista |
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