Growth Response and Economics Variability in Hybrid Pigeonpea to Nitrogen and Phosphorus Fertilization
Sai Kumari, G., Venkata Rao, P., Sree Rekha, M., Srinivasa Rao, V
Journal of Experimental Agriculture International · pp. 413–418 · Published 19 Jun 2024
10.9734/jeai/2024/v46i72594Abstract
Aims: To study the growth response and economic variability in hybrid pigeonpea to nitrogen and phosphorus fertilization. Study Design: Factorial randomized block design. Place and Duration of Study: A field experiment was conducted on deep black cotton soils of Regional Agricultural Research Station, Lam during kharif season, 2018-19 in hybrid pigeonpea (ICPH-2740). Methodology: The experiment was laid out in factorial randomized block design (FRBD) comprised of four levels of nitrogen in first factor (N1: 20 kg ha-1, N2: 40 kg ha-1, N3: 60 kg ha-1, N4: 80 kg ha-1) and three levels of phosphorus allotted to second factor (P2O5) (P1: 50 kg ha-1, P2: 75 kg ha-1, P3: 100 kg ha-1). Results: The higher values of grain yield (1900 kg ha-1 & 1833 kg ha-1), net returns (Rs.60522/- & Rs.57181/-) and B:C ratio (1.62 & 1.54) were found with application of nitrogen (60 kg ha-1) and phosphorus (75 kg ha-1), respectively. Conclusion: It was concluded that in Krishna agro-climatic zone of Andhra Pradesh, an application of 60 kg N ha-1 and 75 kg P2O5 ha-1 was applied for getting economically higher grain yield in hybrid pigeonpea.
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