**Appendix A**

**Table A1.** Regression patterns of yield, seed density, and N accumulated in seeds response to the N fertilizer rate 1, n = 4.


1 Nf–fertilizer N, kg ha−1.



**Table A2.** Matrix of Spearman's correlation coefficients between yield components and indices of N management by WOSR, n = 24.

density; TSW—thousand seed weight; N —N concentration in seeds; N c se—amount of n accumulated in seeds; N —amount of n in WOSR post-harvest residues; TN—total N in WOSR r biomass at harvest; NHI—nitrogen harvest index; UNA—unit N accumulation; UNP—unit N productivity.


**Table A3.** Spearman's correlation matrix between yield components, selected nitrogen variables and PCA factors.

1 bold = correlation coe fficients for R<sup>2</sup> ≥ 0.50. Y—seed; yield; PD—pod density; Se/Po—number of seeds per pod; SD—seed density; TSW—thousand seed weight; N—N content in seeds; Nse—amount of n accumulated in seeds; TN—total N in WOSR biomass at harvest; NHI—nitrogen harvest index; UNA—unit N accumulation.

**Table A4.** Regression patterns of key WOSR nitrogen managemen<sup>t</sup> characteristics response to the N fertilizer rate, n = 4.


Nf—fertilizer N, kg ha−1.


**Table A5.** Regression patterns of key WOSR Nse response to the N supply, n = 4.

NE—nitrogen efficiency.

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