id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ajpf-611	D. Otten; H. F. A. Van den Weghe	Nitrogen and phosphorus management on pig farms in Northwest Germany – nutrient balances and challenges for better sustainability	2013	10	.pdf	application/pdf	7118	392	60	The various authors evaluated the overall status for reducing the environmental problems associated with pig production by using feeding and other management measures. For the investigation, the total N and P flow (inputs, intra-farm and outputs) of all the materials on six pig farms [2x piglet production, 2x finishing pig production and 2x combination farms (piglet production and finishing pigs)] were analysed over a period of 5 years.	cache/ajpf-611.pdf	txt/ajpf-611.txt