{"id":96769,"date":"2026-10-07T13:42:25","date_gmt":"2026-10-07T13:42:25","guid":{"rendered":"https:\/\/sinab.it\/?post_type=pubblicazioni&#038;p=96769"},"modified":"2026-10-07T13:42:25","modified_gmt":"2026-10-07T13:42:25","slug":"comparing-apples-to-apples-an-agronomic-quality-assessed-meta-analysis-of-temperate-cropping-systems-shows-32-lower-nitrogen-leaching-under-organic-farming","status":"publish","type":"pubblicazioni","link":"https:\/\/sinab.it\/en\/pubblicazioni\/comparing-apples-to-apples-an-agronomic-quality-assessed-meta-analysis-of-temperate-cropping-systems-shows-32-lower-nitrogen-leaching-under-organic-farming\/","title":{"rendered":"Comparing apples to apples: An agronomic quality-assessed meta-analysis of temperate cropping systems shows 32% lower nitrogen leaching under organic farming"},"content":{"rendered":"<p style=\"text-align: justify;\">Organic farming (OF) is associated with various ecosystem services, yet its potential to reduce nitrogen (N) leaching to groundwater compared to conventional farming (CF) remains debated. Recent meta-analyses and reviews have not reached a clear consensus. In contrast, case studies from France and Germany demonstrate a consistent reduction of nitrate levels in raw water extracted in water protection areas following conversion to OF. To address these discrepancies, we conducted a systematic agronomic quality assessment of the concrete farming methods for OF and CF used in the comparative studies included in meta-analyses. Experimental and modelling studies were assessed using a multi-step framework to evaluate the comparability and system representativeness of OF and CF. The assessment considered soil conditions, precipitation, fertilizer type, nitrogen input, and crop rotation design. Studies of insufficient comparability or representativeness were excluded. Our analysis of the remaining studies suitable for meta-analysis showed reduced variability in values. The results indicate that OF on average significantly reduces N-leaching by 32% per hectare land use area compared to CF. This underscores the importance of promoting OF practices to improve water quality. Lower N losses under OF became particularly evident when comparisons were restricted to studies with comparable site conditions, system-characteristic management practices, and adequate representation of the whole crop rotation. This highlights the importance of rigorous comparability assessments when evaluating agricultural ecosystem performance.<\/p>\n","protected":false},"featured_media":0,"template":"","anno":[11378],"ente_che_ha_curato_la_pubblicazi":[11159],"economia":[],"parole_chiave":[6232,6395,11282,11561],"produzioni":[11187],"Regioni":[],"sistema_di_controllo":[],"tecniche_produttive":[11138,11203],"class_list":["post-96769","pubblicazioni","type-pubblicazioni","status-publish","hentry","anno-11378","ente_che_ha_curato_la_pubblicazi-science-direct","parole_chiave-apples","parole_chiave-ecosystem-services","parole_chiave-groundwater","parole_chiave-nitrate-pollution","produzioni-frutticoltura","tecniche_produttive-fertilizzazione","tecniche_produttive-soil-management"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Comparing apples to apples: An agronomic quality-assessed meta-analysis of temperate cropping systems shows 32% lower nitrogen leaching under organic farming - Sinab<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/sinab.it\/pubblicazioni\/comparing-apples-to-apples-an-agronomic-quality-assessed-meta-analysis-of-temperate-cropping-systems-shows-32-lower-nitrogen-leaching-under-organic-farming\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Comparing apples to apples: An agronomic quality-assessed meta-analysis of temperate cropping systems shows 32% lower nitrogen leaching under organic farming - Sinab\" \/>\n<meta property=\"og:description\" content=\"Organic farming (OF) is associated with various ecosystem services, yet its potential to reduce nitrogen (N) leaching to groundwater compared to conventional farming (CF) remains debated. Recent meta-analyses and reviews have not reached a clear consensus. 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