Applied Biological Chemistry

Table 6 Nitrogen use efficiencies (NUEs) of rice grown under different types and rates of fertilization at harvesting stage

From: Nitrogen (N) use efficiency and yield in rice under varying types and rates of N source: chemical fertilizer, livestock manure compost and food waste-livestock manure compost

Treatment	N input (kg ha⁻¹)	NUE (kg kg⁻¹)	NUpE (kg kg⁻¹)	NUtE (kg kg⁻¹)	NHI (kg kg⁻¹)
NF	–	–	–	–	–
SF	90	86.9a	1.31b	66a	0.71ab
SDF	87	91.0a	1.58a	58ab	0.71ab
SDF + LMC₁	219	33.8b	0.61c	56ab	0.73ab
SDF + LMC₂	285	26.7b	0.47d	57ab	0.76a
SDF + LMC₃	483	16.0c	0.28e	57ab	0.69b
SDF + FW-LMC₁	317	26.5b	0.59c	45bc	0.72b
SDF + FW-LMC₂	432	19.1c	0.38d	50bc	0.55c
SDF + FW-LMC₃	777	10.2d	0.26e	40c	0.57c
F-value		127.6	104.89	3.78	11.96

⁺ NUE (nitrogen use efficiency), NUpE (nitrogen uptake efficiency), NUtE (nitrogen utilization efficiency), NHI (nitrogen harvest index)

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