?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Effects+of+long++term++application+of+compost+and+poultry+manure+on+soil+quality+of+citrus+orchards+in+Southern+Italy.+&rft.creator=Canali%2C+S.&rft.creator=Trinchera%2C+A.&rft.creator=Intrigliolo%2C+F.&rft.creator=Pompili%2C+L.&rft.creator=Nisini%2C+L.&rft.creator=Mocali%2C+S.&rft.creator=Torrisi%2C+B.&rft.subject=+Nutrient+turnover&rft.subject=+Poultry&rft.subject=+Soil+biology&rft.subject=Fruit+and+berries&rft.subject=+Composting+and+manuring&rft.description=A+six-year+study+was+carried+out+in+an+organically+managed+orange+orchard+located+in+Sicily+(Southern+Italy)+to+assess+the+effect+of+compost+and+organic+fertilizers+utilisation+on+soil+quality.+Adopting+a+randomized-block+experimental+design+with+three+replicates%2C+four+treatments+were+carried+out.+In+treatments+1+and+2%2C+two+different+composts+(C1+from+distillery+by+products+and+C2+from+livestock+wastes)+were+applied.+The+plots+of+treatment+3+were+fertilized+using+dried+poultry+manure.+The+control++treatment+was+fertilized+with+mineral%2Fsynthetic+fertilizers.+In+order+to+verify+the+hypothesis+that+composts+and+organic+fertilizers+improve+soil+fertility%2C+soil+quality+was+evaluated+by+selecting+dynamic+soil+parameters%2C+as+indicators+linked+to+C+and+N+cycles.+Total+organic+C%2C+total+N%2C+C%2FN++ratio%2C+humified+fraction%2C+isoelectric+focusing+(IEF)+of+extracted+organic+matter%2C+microbial+biomass+C%2C+potentially+mineralisable+N+under+anaerobic+conditions%2C+potenzially+mineralizable+C%2C+C+mineralization+quotient+and+metabolic+quotient+were+determined+for+each+sample.+Furthermore%2C+the+Comunity+level+Physiological+Profile+(by+Biolog+tecnique)+was+defined%2C+calculating+derived+functional+biodiversity+and+versatility+indexes.+Parameters+related++to+IEF+and+potentially+mineralizable+C+showed+significant+differences+among+the+treatments.+Moreover%2C+total+C%2C+total+N+and+humification+parameters+tended+to+increase%2C+while+no+differences+were+observed+in+biodiversity+indexes.+On+these+findings%2C+it+was+concluded+that+composts+and+poultry+manure+only+weakly+affected+soil+properties%2C+though+they+increased+soil+nutritive+elements+potentially+available+to+crops.&rft.date=2004&rft.type=Journal+paper&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Forgprints.org%2F7901%2F1%2FCanali_et_al.pdf&rft.identifier=Canali%2C+S.%3B+Trinchera%2C+A.%3B+Intrigliolo%2C+F.%3B+Pompili%2C+L.%3B+Nisini%2C+L.%3B+Mocali%2C+S.+and+Torrisi%2C+B.+(2004)+Effects+of+long+term+application+of+compost+and+poultry+manure+on+soil+quality+of+citrus+orchards+in+Southern+Italy.+[.]+Biology+and+Fertility+of+Soils+(+40)%2C+pp.+206-210.&rft.relation=http%3A%2F%2Forgprints.org%2F7901%2F