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A 7-year field study was performed to check the effect of pig slurry on soil properties and on the accumulation of some essential nutrients and heavy metals in a calcareous silty-loam soil (0\u20130.3\u00a0m) and in barley (<jats:italic>Hordeum vulgare<\/jats:italic> L.) plants in two cropping seasons with contrasting amounts of rainfall. Five fertilization treatments, control (no N applied), mineral fertilizer (90\u00a0kg\u00a0N ha<jats:sup>\u22121<\/jats:sup>), and different N doses of pig slurry (146, 281, 534\u00a0kg\u00a0N\u00a0ha<jats:sup>\u22121<\/jats:sup>), were applied at sowing of a barley crop. Organic carbon, available P and K, and total P in soil increased with slurry dose. No differences were found in Co, Cr, Fe, Mn, Ni, and Pb soil concentrations. Slurries increased Cu, Mn, and Zn extractions and plant concentrations of P in straw and Zn in grain. However, the lowest slurry rate was able to maintain the highest grain yields while improving fertility. The results of this research study support the sustainability of pig slurry fertilization at appropriate rates in relation to soil chemical quality.<\/jats:p>","DOI":"10.1007\/s11356-022-21030-2","type":"journal-article","created":{"date-parts":[[2022,5,31]],"date-time":"2022-05-31T17:03:14Z","timestamp":1654016594000},"page":"74655-74668","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":16,"title":["Seven years of pig slurry fertilization: impacts on soil chemical properties and the element content of winter barley plants"],"prefix":"10.1007","volume":"29","author":[{"given":"Awais","family":"Shakoor","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"\u00c0ngela D.","family":"Bosch-Serra","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jos\u00e9 Ram\u00f3n Olarieta","family":"Alberdi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Carmen","family":"Herrero","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2022,5,31]]},"reference":[{"key":"21030_CR1","unstructured":"AENOR (2018) Alimentos para animales. 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