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Impact on Maize (Zea mays) Productivity and Yield Parameters with Intercropping with French Bean (Phaseolus vulgaris L) and Blackgram (Vigna mungo)

Department of Agronomy, School of Agriculture, Lovely Professional University, Phagwara-144 411 (Punjab), India
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(Received: March 11, 2023; Accepted: April 21, 2023)


A field experiment was conducted at Lovely Professional University, Jalandhar, Punjab in kharif season
in 2022. The experiment had a total of nine treatments with three replications i.e. T1–Sole maize, T2 – Sole french bean, T3–Sole blackgram, T4 –Maize+french bean (1:1), T5–Maize+french bean (1:2), T6 – Maize+french bean (1:3), T7–Maize+blackgram (1:1), T8–Maize+blackgram (1:2) and T9–Maize+blackgram (1:3). In the treatments, rows of legumes were sown in between maize in 1:1, 1:2 and 1:3 ratios. Sole maize and intercropped maize was provided with the recommended dose of fertilizer, while in the sole blackgram and french bean plots, recommended doses of the respective legume was provided. The best results of intercropping were shown by maize+blackgram (1:2) followed by maize+black gram (1:3) and maize+french bean (1:2). The yield assessment function like land equivalent ratio (LER) and maize equivalent yield (MEY) prominently indicated the benefits of maize-legume intercropping system under Punjab region.
Key words : Production, utilization, LER, MEY, yield, intercropping