@article{013900921, title = "The use Of fertilizers on herbage cut for conservation. IV. The effect of rates, methods of application and forms of fertilizer nitrogen on the yields of dry matter and nitrogen of grasses and clovers in a ryegrass and white clover sward, cut at different stages of growth", author = "Walker, T.W. and Adams, A.F.R.Orchiston, H.D.", year = "1953", journal = "J. brit. Grassl Soc", volume = "8", pages = "281-299", url = "https://eurekamag.com/research/013/900/013900921.php" }