Mihailescu, E.; Ryan, W.; Murphy, P.N.C.; Casey, I.A.; … - In: Agricultural Systems 132 (2015) C, pp. 121-132
A 3 year (2009–2011) study found a mean N balance of 166 kg N/ha, P balance of 4.93 kg P/ha, N use efficiency of 0.24, P use efficiency of 0.71, and net profit of €598/ha on 19 Irish dairy farms. The increase in mean net profit with mean milk receipts and the decrease with mean...