ListarAgronomía Costarricense 38(1) por tema "eutrifización"
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Phosphorous balance on Costa Rican dairy farms
(2014-07-04)The objective was to quantify P use in 11 dairy farms located in the provinces of San Jose, Cartago and Alajuela. Data such as feed purchases, milk sales, purchase and removal of animals between January and December 2010 ...