. 2020 Sep 10;10:14882. doi: 10.1038/s41598-020-71932-9

Table 3.

The fate of ¹⁵N fertilizer in soybean at harvesting stage.

Treatments	Crop uptake		Soil residual		Loss
Treatments	kg ¹⁵N ha⁻¹	%	kg ¹⁵N ha⁻¹	%	kg ¹⁵N ha⁻¹	%
N	5.50^c	18.3^c	17.82^b	59.4^b	6.68^a	22.3^a
NPK	7.22^b	24.1^b	19.17^a	63.9^a	3.61^b	12.0^b
M₁NPK	8.00^b	26.6^b	18.97^a	63.2^a	3.04^b	10.1^b
M₂NPK	9.75^a	32.5^a	18.61^a	62.0^a	1.64^c	5.5^c

Note Means followed by the same letter within the same column represent no significance (P < 0.05).