Evaluation of Maize (Zea mays L.) and Three Cultivars of Common Bean (Phaseolus vulgaris L.)Intercropping with Application of Biofertilizers and Chemical Fertilizers

Document Type : Research Paper

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Abstract
In order to investigate the effect of some biofertilizers and nitrogen on intercropping advantage of maize and common bean, an experiment was carried out as factorial based on RCB design with 14 treatments and three replications at the Research Farm of Agricultural, University of Tabriz, Iran. The first factor was cropping system at seven levels including monocropping of three common bean cultivars, monocropping of maize and intercropping of maize with three common bean cultivars, and the second factor was fertilizer at two levels including biofertilizer (Nitrajin +Barvar 2) and nitrogen fertilizer. The monocropping of maize had the lowest leaf area index and light interception percentage and intercropping of maize with bean CV. Gholi and Sayyad had the highest leaf area index and light interception. The effect of fertilizer type was not significant on leaf area index and light interception percentage. The highest amount of bean grain yield was obtained from monocropping Gholi (4603 kg/ha). Also the highest amount of maize grain yield was obtained from monocropping maize (9318 kg/ha). Also at all treatments the land equivalent ratio (LER) and total relative value (RVT) were obtained more than 1 and from this comment intercropping of maize - Gholi and maize - Sayyad were the highest and lowest, respectively. Generally based on the results the intercropping of maize - bean CV. Gholi with using biological fertilizer indicated the highest advantage for these two species.
 

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