Published in Scientific Papers. Series A. Agronomy, Vol. LXVII, Issue 1
Written by Andrei VARGA, Camelia URDĂ, Raluca REZI, Adrian NEGREA, Alina ŞIMON, Dina Ramona GALBEN, Vasilena GHEORGHIEȘ, Marcel Matei DUDA
The influence of the sowing date, genotype and climatic conditions on the soybean crop development, yield and seed quality, was studied in a field experiment placed at Research and Development Station for Agriculture (RDSA) Turda, in three consecutive years. The ten soybean genotypes were sown in: 2021, 2022 and respectively 2023, in the experimental field of the Soybean Breeding Laboratory. The biological material consisted of very early (Perla, T12-295), early (Onix, Felix, Cristina TD, Caro TD, T14-4203) or semi-early (Raluca TD, T26-6126, Avatar) genotypes. Based on the experimental results, a decrease in yield was obtained when late genotypes were sown in the second date. For early soybean biological material, the results for production were similar in both sowing dates. In terms of quality, delayed sowing date contributed to an increase in protein content from 35.70% to 36.26%, while the oil content decreased by 0.40% by practicing late sowing.
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