by Frycek A, Kralovec J
Published in Agrochemia (1977)

by Frycek A, Kralovec J
Year of Publication 1976

by Frycek, A, Kralovec, J
Published in Scientia agriculturae Bohemoslovaca (1973)

by Kralovec, J, Frycek, A
Published in Scientia agriculturae Bohemoslovaca (1973)

by Frycek, A, Kralovec, J
Published in Zahradnictvo (1978)

by Frycek, A, Kralovec, J
Published in Agrochemia Bratisl (1976)

by Frycek, A, Kralovec, J
Published in Agrochemia Bratisl (1976)

by Frycek, A, Kralovec, J
Published in Agrochemia Bratisl (1975)

by Frycek, A, Kralovec, J
Published in Rostlinna Vyroba (1972)

by Kralovec, J, Rais, I. (Vyzkumny Ustav Melioraci a Ochrany Pudy, Zavisin (CSFR). Lukarskopastvinarska Stanice), Frycek, A, Frycek, N
Published in Scientia Agriculturae Bohemoslovaca - UVTIZ (CSFR) (01.10.1991)

by Kralovec, J. (Vyzkumny Ustav pro Zurodneni Zemedelskych Pud, Zavisin (Czechoslovakia). Lukarskopastvinarska Stanice), Frycek, A, Toman, K, Balas, J
Published in Rostlinná výroba (01.05.1990)

by Kralovec J, Frycek A, Balas J
Year of Publication 1985

by Frycek, A, Rais, I, Kralovec, J
Published in Rostlinna vyroba (1980)

by Frycek A, Kralovec J, Tomec V, Uebel E, Vltavsky J
Published in Agrochemia (1980)

by Frycek, A, Kralovec, J, Tomec, V, Uebel, E, Vltavsky, J
Published in Agrochemia (1980)

by Frycek, A. (Ceskoslovenska Akademie Zemedelska, Prague), Kralovec, J
Published in Rostlinna Vyroba - UVTIZ (Czechoslovakia) (01.02.1979)

by Kralovec J, Frycek A, Balas J, Tucek J
Published in Agrochemia (1978)

by Frycek, A. (Ceskoslovenska Akademie Zemedelska, Prague), Kralovec, J
Published in Agrochemia (Czechoslovakia) (01.02.1975)

by Frycek, A. (Ceskoslovenska Akademie Zemedelska, Prague (Czechoslovakia)), Balas, J, Kralovec, J
Published in Agrochemia (Czechoslovakia) (01.03.1988)

by Skarda, M, Frycek, A, Hrivnek, J, Slama, V, Dolezal, O
Published in Metod Zavad Vysled Vyzk Praxe (1974)