Dairy farm nutrient management model: 2. Evaluation of different strategies to mitigate phosphorus surplus

► Reduced P-fertilisation the most effective strategy to reduce P-losses. ► P-surplus increase with higher feeding intensity. ► Increased milk yield does not reduce P-surplus. ► The model predicted accurately the changes in farm-gate P-surplus. To reduce (P) surpluses on dairy farms and thereby the...

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Veröffentlicht in:	Agricultural systems 2011-06, Vol.104 (5), p.383-391
Hauptverfasser:	Huhtanen, Pekka, Nousiainen, Juha, Turtola, Eila
Format:	Artikel
Sprache:	eng
Schlagworte:	Animal and Dairy Science cattle feeds cows crop production Dairy farm dairy farm management Dairy farm Phosphorus Modelling Nutrient surplus dietary mineral supplements dietary minerals Diets energy intake Environmental Sciences related to Agriculture and Land-use farming systems feed grains feeding level Husdjursvetenskap Miljö- och naturvårdsvetenskap milk milk yield Modelling nutrient balance nutrient content nutrient management Nutrient surplus nutrient use efficiency Phosphorus phosphorus fertilizers pollution load protein intake proteins replacement rate risk risk reduction small cereal grains soil soil nutrient balance soybean meal sugar beet pulp Veterinary Science Veterinärmedicin
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