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Cu 2010 nutrtion.Pdf

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Agriculture is under increasing pressure to develop management practices to minimise P loss... The modelling predicts that depending on location and the benefit from biochar a farmer can spend between $15 and $165 either buying or producing biochar on farm and break-even... In this type of seasons, P fertiliser placed at 14 cm depth remained in moist soil longer than P placed at 4 or 8 cm and was more available for crop uptake later in the season...