Influence of sowing seasons on the agricultural yield of soybean cultivars
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Abstract
The research was carried out in areas of the Base Scientific and Technological Unit, Los Palacios, Pinar del Río, belonging to the National Institute of Agricultural Sciences, with the objective of analyze the influence of sowing season on the agricultural yield of four soybean cultivars of Vietnamese origin in the town of Los Palacios. Four soybean cultivars (DT-20, DT-22, DT-26 and DT-84), of Vietnamese origin, were evaluated, which were sowing on a Gleysol Nodular Ferruginous Petroferric soil, on three different dates (December 2019, May and July 2020), corresponding to the ‟winter, spring and summer seasons”, respectively. A randomized block experimental design was used with four treatments (cultivars) and three replicates, and crop yield and its components, shoot dry weight and harvest index were evaluated. The results showed a variation between cultivars for the same sowing date and between seasons; in the sowing of May 2020, the cultivars reached a higher value of the total dry mass of the aerial part, as well as of the agricultural yield, while in the sowing of December 2019 the best results were obtained for the harvest index, and in the three sowing dates, analyzed in a general way, the variables most associated with agricultural yield were the number of pods per plant, the number of grains per plant and the total dry mass.
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