Results of research on hops in the fifth five-year plan and objectives for the sixth
Srp, A., 1977: Results of research on hops in the fifth five-year plan and objectives for the sixth. Vestnik Ceskoslovenske Akademie Zemedelske 24(9): 427-432
Through clonal selection, new clones were obtained which yielded well and produced crops of good brewing quality. Large numbers of hybrids were obtained from interclonal crosses, many of which were high yielding, with high contents of bitter substances.