Ajeigbe, H A and Akinseye, F M and Kamara, A Y and Tukur, A Z and Inuwa, A H (2020) Productivity, Water- and Nitrogen-Use Efficiency, and Profitability of Pearl Millet (Pennisetum glaucum) under Different Nitrogen Applications in Semiarid Region of Nigeria. International Journal of Agronomy (TSI), 2020. pp. 1-12. ISSN 1687-8159
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Abstract
An experiment was conducted to examine the performance of pearl millet under different nitrogen (N) fertilizer rates in two locations in the semiarid zone of Nigeria. *e objective was to evaluate the effects of different N rates on pearl millet yields, water and nitrogen-use efficiency, and profitability. Grain yield increased by 23, 26, 32, 32, and 27% and by 38, 41, 54, 58, and 56% compared to unfertilized plots when applying 20, 40, 60, 80, and 100 kg Nha−1 in Minjibir and Gambawa, respectively. Similarly, stalk yield increased by 4, 3, 9, 9, and 9% and by 16, 24, 36, 40, and 37% compared to unfertilized plot when applying 20, 40, 60, 80, and 100 kg Nha−1 in Minjibir and Gambawa, respectively. *e variations in GY that could be explained by TWU and NUE were 28% and 26% in Minjibir and 46% and 41%, respectively, in Gambawa. *ere was a strong and positive correlation (R = 0.81 and R = 0.95) between WUE and GY across N-fertilizer rates and pearl millet varieties in both locations. An increase in N-fertilizer levels increased WUE, confirming the optimal application of 60 kg Nha−1 in Minjibir and of 80 kg Nha−1 in Gambawa. Similarly, the highest net economic return (NER) of US$610 ha−1 was obtained at 60 kg Nha−1 in Minjibir and the highest NER of US$223 ha−1 was obtained at an application rate of 80 kg Nha−1 in Gambawa. Break-even yield was above 1000 kg ha−1, signifying that average farmer with a mean yield of less than 1000 kg ha−1 produces millet at a loss.
| Item Type: | Article |
|---|---|
| Divisions: | Research Program : West & Central Africa |
| CRP: | CGIAR Research Program on Grain Legumes and Dryland Cereals (GLDC) |
| Uncontrolled Keywords: | Pearl Millet, Nitrogen Application, Nigeria |
| Subjects: | Mandate crops > Millets > Pearl Millet Others > Semi-Arid Tropics Others > Nigeria |
| Depositing User: | Mr Arun S |
| Date Deposited: | 02 Mar 2021 16:04 |
| Last Modified: | 02 Mar 2021 16:04 |
| URI: | http://oar.icrisat.org/id/eprint/11720 |
| Official URL: | https://doi.org/10.1155/2020/1802460 |
| Projects: | UNSPECIFIED |
| Funders: | UNSPECIFIED |
| Acknowledgement: | *e authors would like to thank the International Crops Research Institute for the Semi-Arid Tropic (ICRISAT), for providing institutional funding to conduct the experimental work under the CGIAR research program GLDC. *is research was funded by Bill and Melinda Gates Foundation, in the HOPE 2 project which was the precursor to AVISA project, grant number OPP1198373. |
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