{
	"version": "1.0",
	"cache_age": 3600,
	"type":"rich",
	"title": "Predicting economic optimum and nitrogen balance in the ley - ruminant system",
	"url": "https://arl4.library.sk/arl-spu/sk/detail-spu_us_cat-0000685-Predicting-economic-optimum-and-nitrogen-balance-in-the-ley-ruminant-system/"
}