International Journal of Agronomy

Research Article

Productivity, Water- and Nitrogen-Use Efficiency, and Profitability of Pearl Millet (Pennisetum glaucum) under Different Nitrogen Applications in Semiarid Region of Nigeria

Table 3

Effect of N-fertilizer rates and pearl millet variety on grain yield (GY), stalk yield (SY), harvest index (HI), total water use (TWU), and water-use efficiency (WUE) in the semiarid zone of Nigeria.


Treatment	Minjibir					Gambawa

Nitrogen (N)	GY	SY	HI	TWU	WUE	GY	SY	HI	TWU	WUE
0 kg ha⁻¹	1535	3917	0.27	286.3	5.4	727	2361	0.21	320	2.3
20 kg ha⁻¹	1990	4083	0.28	283.5	7.1	1179	2800	0.24	307	3.9
40 kg ha⁻¹	2072	4039	0.30	284.8	7.4	1242	3089	0.24	303	4.2
60 kg ha⁻¹	2263	4317	0.31	283.3	8.0	1565	3711	0.24	304	5.2
80 kg ha⁻¹	2273	4283	0.30	282.9	8.2	1714	3944	0.26	302	5.7
100 kg ha⁻¹	2108	4281	0.29	285.0	7.5	1638	3728	0.26	301	5.5
LSD	215	582^ns	0.04^ns	2.51	0.76	233	735	0.03	4.1	0.81
Variety (V)
Jirani	1985	2976	0.35	250.1	7.94	1332	2283	0.29	270	4.96
Super SOSAT	2042	4611	0.26	299.4	6.87	1364	3464	0.24	314	4.37
Local	2094	4872	0.27	303.4	6.95	1337	4069	0.2	335	4.05
Grand mean	2040	4153	0.29	284.3	7.25	1344	3272	0.24	306.2	4.46
LSD	152.6^ns	380	0.02	1.84	0.56	129^ns	367	0.02	3.5	0.44
CV (%)	18.4	22.5	18.8	1.6	18.9	21.4	26.2	22.8	2.9	22.3

LSD: least significant differences of means; CV: coefficient of variations; GY and SY (kg/ha); TWU (mm); WUE (kg ha⁻¹mm⁻¹) for final grain yield.