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Asian Journal of Plant Sciences
Year: 2003  |  Volume: 2  |  Issue: 2  |  Page No.: 242 - 246

Effect of Legume Intercrops and Nitrogen Levels on the Yield Performance of Maize

Nazim Hussain, Imran Haider Shamsi, Sherin Khan, Habib Akbar and Wajid Ali Shah    

Abstract: This experiment was conducted to study the beneficial effect of legumes and inorganic quantities of N on maize crop. Different levels of nitrogen i.e. 0, 40, 80 and 120 kg ha-1 were used. Besides maize alone, intercrops were; maize+mungbean, maize+pigeon pea and maize+janter. Maize @ 40, mungbean 20, pigeon pea 50 and janter at 25 kg ha-1 were used respectively. Maximum seedlings emerged m‾2 (40.20) was obtained at 120 kg N ha-1 in maize alone. Maximum days (61.7) to earing were taken by maize intercropped with janter. Maximum days (67.50) to silking were taken by maize+janter intercrop at 0 kg N ha-1. Maximum plant height (165.50 cm) was observed in maize alone at 120 kg N ha-1. Maximum cob length (12.55 cm) was noticed in maize and mungbean intercrop under 40 kg N ha-1. Maximum biological yield (28429.63 kg ha ha-1) was obtained from maize alone by 40 kg N ha-1. Maximum number of grains cob-1 (309) was obtained from maize and pigeon pea intercropping at 120 kg N ha-1. For maximum yield potential maize alone and maize+mungbean intercropping was at par statistically at 80 and 40 kg N ha-1 by giving 3463 and 3444 kg ha-1 yield, respectively. Overall legume intercrop was superior by decreasing less yield of maize crop in addition to legume seed yield and N cost minimization.

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