Reith, W. S. The effects of fertilizers on herbage production. I. The effect of nitrogen, phosphate and potash on yield c.4-5 en bodega Sobretiro de : J. Agr. Sci. 56 : 17-29, 1961 LCCN: 45659 Subjects--Topical Terms: Fertilizantes--Efecto en pastos.Pastos--Rendimiento.