?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Farming+systems+comparison+study%2C+Bioforsk+Arable+Crops+Division%2C+Apelsvoll&rft.subject=+Pasture+and+forage+crops&rft.subject=+Cereals%2C+pulses+and+oilseeds&rft.subject=+Farming+Systems&rft.subject=+Dairy+cattle&rft.subject=Farm+nutrient+management&rft.subject=+Recycling%2C+balancing+and+resource+management&rft.subject=+Air+and+water+emissions&rft.description=A+long-term+farming+systems+comparison+study+was+initiated+at+Bioforsk+Arable+Crops+Division%2C+Apelsvoll%2C+in+1989.+The+aim+was+to+compare+on+a+model+farm+level+differences+in+yields%2C+nutrient+runoff%2C+nutrient+balances+and+economical+results+for+conventional%2C+integrated+and+organic+dairy+and+cash+crop+farming+systems.+The+vision+of+the+project+was+to+develop+farming+systems+that+minimized+the+runoff+of+nutrients+and+pesticide+residues%2C+produced+healthy+crops+with+optimal+nutritional+value%2C+and+gave+satisfying+yields+and+economic+results.++In+2000%2C+the+system+was+changed+so+that+the+term+%C3%A2%C2%80%C2%9Cintegrated%C3%A2%C2%80%C2%9D+was+replaced+by+%C3%A2%C2%80%C2%9Coptimal%C3%A2%C2%80%C2%9D%2C+defined+as+the+treatment+that+achieves+the+maximum+yield+per+kilo+leached+nitrogen.+The+study+comprises+a+field+lysimeter+with+12+plots%2C+each+0.18+ha.+Each+plot+is+treated+as+a+model+farm%2C+and+six+different+farming+systems+(2+replicates+per+system)+are+compared+as+follows%3A+%0D%0A1.%09A+reference+cash+crop+farm+with+cereals+and+potatoes%2C+managed+as+in+the+reference+year+of+1985%0D%0A2.%09Optimal+cash+crop%0D%0A3.%09Organic+cash+crop+with+25%25+land+as+green+manure%0D%0A4.%09Optimal+cash+crop+with+animal+manure++and+50%25+ley%0D%0A5.%09Organic+mixed+crop+with+50%25+ley+%0D%0A6.%09Organic+mixed+crop+with+75%25+ley%0D%0A%0D%0AAll+model+farms+are+managed+with+a+4-year+crop+rotation%2C+where+all+crops+are+grown+in+each+year+(all+plots+are+divided+in+four+sub-plots).+Please+contact+audun.korsaeth%40bioforsk.no+for+further+information+and+publications+from+the+study.&rft.type=Research+facility+description&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Forgprints.org%2F7056%2F1%2FKorsaeth.pdf&rft.identifier=%7BFacility%7D+DS-FELT+APELSVOLL%3A+Farming+systems+comparison+study%2C+Bioforsk+Arable+Crops+Division%2C+Apelsvoll.+Start+1989.+Facility+Leader(s)%3A+Kors%C3%83%C2%A6th%2C+Audun+and+Eltun%2C+Ragnar%2C+Bioforsk+Norwegian+Institute+of+Agricultural+and+Environmental+Research.+More+information+online+at+%3Chttp%3A%2F%2Fwww.bioforsk.no%2FViewPPP.aspx%3Fview%3Dproject%26id%3D16%26viewLanguage%3DNorwegianBokmaal+%3Chttp%3A%2F%2Fwww.bioforsk.no%2FViewPPP.aspx%3Fview%3Dproject%26id%3D16%26viewLanguage%3DNorwegianBokmaal%3E%3E.&rft.relation=http%3A%2F%2Forgprints.org%2F7056%2F