Volcani et al., 1953. Ktavim, 1: 21–22 Document reference Volcani, R. ; Roderig, C., 1953. The enrichment of citrus peel silage with nitrogen by application of ammonia and ammonium sulphate. Ktavim, 1: 21–22Citation key Volcani et al., 1953Datasheets Citrus pulp, fresh