Institute of Agroecology and Plant Production, Wrocław University of Environmental and Life Sciences, Grunwaldzki Sq. 24 A, 50-363, Wrocław, Poland.
Department of Genetics, Plant Breeding and Seed Production, Wrocław University of Environmental and Life Sciences, Grunwaldzki Sq. 24 A, 50-363, Wrocław, Poland.
Sci Rep. 2024 Mar 20;14(1):6672. doi: 10.1038/s41598-024-57008-y.
Soybean, belonging to legumes, has a specific ability to biological nitrogen fixation, which can be reinforced by seeds inoculation. However, support with a starter dose of mineral nitrogen fertilizer may be necessary to achieve high seed yields. A four-year field experiment was conducted to determine the effect of mineral N fertilization (0, 30, 60 kg ha), seed inoculation with two commercial inoculants and combinations of these treatments on yield components and yielding of soybean in conditions of south-western part of Poland. The synergistic effect of mineral fertilization at dose 30 kg ha and inoculation on soybean productivity was the most beneficial. Similar effects were observed when 60 kg N ha was applied both separately and with inoculation. However, due to the environmental impact of mineral fertilizers and to promote plants to biological nitrogen fixation (BNF), it is advisable to use lower doses of N fertilizer (at 30 kg ha) and inoculate soybean seeds in agro- climatic conditions of south-western Poland. Therefore, based on this study we recommend to apply starter dose of N and inoculation.
大豆属于豆科植物，具有特定的生物固氮能力，可以通过种子接种来增强。然而，为了实现高种子产量，可能需要用起始剂量的矿物氮肥进行支持。本研究在波兰西南部地区进行了为期四年的田间试验，以确定矿物 N 施肥（0、30、60kg/公顷）、用两种商业接种剂接种种子以及这些处理组合对大豆产量构成和产量的影响。在 30kg/公顷矿物施肥和接种的协同作用对大豆生产力最有益。当单独使用和接种时，应用 60kg/ha N 也观察到了类似的效果。然而，由于矿物肥料对环境的影响以及促进植物进行生物固氮（BNF），建议在波兰西南部的农业气候条件下使用较低剂量的 N 肥料（30kg/公顷）并接种大豆种子。因此，基于这项研究，我们建议施用起始剂量的 N 和接种。
