Open AccessWater availability for high yield of soybean cultivars
Author(s) -
Ricardo Gava,
Mayara Fávero Cotrim,
Irineu Eduardo Kühn,
Carlos Roberto Wassolowski,
Pedro Henrique Alves Martins,
Paulo Eduardo Teodoro
Publication year - 2020
Publication title -
research, society and development
Language(s) - English
Resource type - Journals
ISSN - 2525-3409
DOI - 10.33448/rsd-v9i6.3373
Subject(s) - cultivar , irrigation , agronomy , point of delivery , yield (engineering) , evapotranspiration , mathematics , crop , water content , biology , engineering , ecology , materials science , geotechnical engineering , metallurgy
Considering the hypothesis that soybean cultivars present different yield potential, even under ideal water conditions, this study aimed to identify highly productive soybean cultivars under optimal conditions of soil moisture management. Two experiments were conducted in the 2015/16 and 2016/17 crop seasons in Chapadão do Sul-MS, in a complete In a split-plot arrangement design with four replications. In the first experiment, the plots was composed of six water application frequencies (0, 1, 2, 3, 4, and 5 days); in the second experiment, the primary factor was constituted by six supplementary irrigation levels (0, 25, 50, 75, 100, and 125% of the Crop Evapotranspiration - ETc). In each experiment, subplots was composed of five soybean cultivars. The following variables were evaluated: plant height, insertion of the first pod, hundred grain weight, and grain yield. Regardless of the irrigation management used, soybean cultivars presented different agronomic performance.