{"refrec":{"BRefID":449267,"RR":"<b>Zhang, J.; Edesi, L.; Talve, T.; Akyol, C.; Koll, B.; Roman, I.; Toom, M.; Aranguren, M.; Mentxaka, S.V.; Kuu, A.; De Neve, S.; Meers, E.</b> (2025). Recycling fishery waste into biobased fertilizers: Agronomic performance and soil health impacts. <i>Soil & Tillage Research 253</i>: 106686. <a href=\"https://dx.doi.org/10.1016/j.still.2025.106686\" target=\"_blank\">https://dx.doi.org/10.1016/j.still.2025.106686</a>","BEntID":447105,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Soil & Tillage Research 253</i>: 106686. <a href=\"https://dx.doi.org/10.1016/j.still.2025.106686\" target=\"_blank\">https://dx.doi.org/10.1016/j.still.2025.106686</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Zhang, J.; Edesi, L.; Talve, T.; Akyol, C.; Koll, B.; Roman, I.; Toom, M.; Aranguren, M.; Mentxaka, S.V.; Kuu, A.; De Neve, S.; Meers, E.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Zhang, J. <i>et al.</i>","Englishabstract":"This study evaluated the agronomic performance and soil impact of biobased fertilizers derived from fishery waste and by-products as circular alternatives to synthetic nitrogen (N) fertilizers in short-term field experiments with broccoli. Four biobased fertilizers - bokashi pellet (BP), nutrient solution with amino acids (NPKA), fish sludge pellet (FSP), and protein fraction (PF) - were obtained from pilot installations across Europe. The evaluation focused on soil mineral N (SMN) dynamics, N use efficiency (NUE), crop yield, and soil biological responses. One week after transplanting and fertilization, SMN levels in the topsoil (0-10 cm) were the highest in the NPKA (253 f 94 kg ha-1) and PF (181 f 45 kg ha-1) treatments, comparble to the mineral fertilizer (MF; 237 f 5 kg ha-1). In contrast, FSP (68 f 17 kg ha-1) and BP (30 f 11 kg ha-1) did not significantly differ from the unfertilized soil (40 f 5 kg ha-1). Early SMN availability showed a strong positive correlation with broccoli yield and N uptake. Crop yields ranged from 8594 to 14,842 kg ha-1 among the organic treatments, with NPKA and PF performing comparably to MF (14,726 kg ha-1) and substantially better than FSP and BP. The control treatment (CON) yielded 9252 kg ha-1 . NPKA and PF also demonstrated the highest NUE values (108 % and 84.8 %, respectively), with estimated mineral fertilizer equivalents of 79.5 % and 62.7 %. Soil biological activity showed treatment-specific responses. Dehydrogenase activity, microbial biomass carbon, and phospholipid fatty acid profiles in the 0-10 cm soil layer were significantly affected by fertilizer treatments, though most microbial indicators returned to baseline levels post-harvest. Soil fauna responses were variable: Springtail abundance declined under MF, whereas mite populations were more sensitive to organic treatments. Overall, the findings suggest that certain biobased fertilizers, particularly NPKA and PF, can effectively replace mineral N fertilizers, maintaining crop productivity while enhancing soil health indicators. These results support the integration of fish waste-based biobased fertilizers into sustainable agricultural practices.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Recycling fishery waste into biobased fertilizers: Agronomic performance and soil health impacts","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-09-29 01:49:32.136038","timezone_type":1,"timezone":"+02:00"},"AuthorKeywords":"Broccoli yield;Field trial;Fishery waste;Nitrogen use efficiency;Soil mineral nitrogen;Soil quality;microbial biomass;organic fertilizer;broccoli cultivars;extraction method;nitrogen release;community;mineralization;carbon;management;responses","OtherDescriptors":null,"Notes":null,"AnaPub":2025,"MonPub":null,"DateUpdate":"2026-09-28","DateCreate":"2026-09-28","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:001504329700001","VABBcode":null,"OpenAcc":0,"DOI":"10.1016/j.still.2025.106686"},"refs":null,"anarec":{"AnaID":449267,"PubliDate":2025,"Pagination":"106686","XtraPublOfAnaID":null,"ISBN":null,"Volume":"253","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":278626,"SerRR":"Soil & Tillage Research. 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