Suitability of maize (Zea mays) based inteteropping system

B C PATRA, B B MANDAL, B K MANDAL, A K PADHI

Abstract


A field experiment was conducted during the summer 1993 and 1994 to study the performance of maize (Zea mays
L.) + greengram (Phaseolus radiatus L.), blackgram (Phaseolus mungo L.), soybean [Glycine max (L.) Merr.], groundnut
(Arachis hypogaea L.) and sesamc (Sesamum indicurn L.) intercropping for yield. Legumes at 1:1 row ratio not only
improved the yield components and grain yield of maize but also gave bonus yield, which increased the maize equivalent
yield and combined yield with higher monetary advantage and biological efficiency / unit area and time over their
respective monocultures. Sesame appeared to be more competitive and non-compatible with maize. However, maize +
grecngram at 1:1 row ratio was found to be the most economically viable system with highest land equivalent ratio (1.54),
monetary advantage ( Rs 5 973/ha), net return ( Rs 8 541 ) and net production value ( 1.83).

Keywords


maize-based intercropping, monetary advantage, net return, net production value, row ratio, yield performance, land equivalent ratio

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