ArticleScientific reports2025
The effect of split application of mineral nitrogen on biomass yield and nitrogen content, uptake, use efficiency and harvest index in spring rye.
Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
The spring form of rye can be grown on soil with relatively low utility value and in areas where winter rye becomes damaged during the winter. Under conditions of soil with low sorption complexes, it is important to adopt the right nitrogen application strategy to achieve high fertilizer efficiency (high yield). This study determined the weight of the separated parts of spring rye, productivity of 1 kg of nitrogen introduced into the soil with mineral fertilizer (E), N content (Nc), N uptake (Nup), N uptake per day (Nup/day), nitrogen use efficiency (NUE), nitrogen utilization efficiency for yield (NutEY), and the nitrogen harvest index (NHI) in six stages of development: BBCH 22, BBCH 33, BBCH 51, BBCH 65, BBCH 75 and BBCH 91. NutEY and NHI were calculated in two ways, with and without including the N accumulated in the roots, and were designated NutEY_1 and NutEY_2 and NHI_1 and NHI_2, respectively. Rye was fertilized once before sowing with 120 kg N ha
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