Evolution of yield and yield components of peanut in intercropping with Roselle in different levels of nitrogen
Author(s):
Article Type:
Research/Original Article (دارای رتبه معتبر)
Abstract:
In order to evaluate the effect of intercropping of Roselle (Hibiscus Sabdariffa L.) on the yield and yield components of peanut (Arachis hypogea L.) at different levels of nitrogen fertilizer in the form of split plots experiment in the form of a randomized complete block design with three replications, in The research farm of Zabol University was implemented in the crop year of 2013-2014.The experimental treatments include nitrogen fertilizer levels as the main plot (0, 100, 200 and 300 kg.ha-1) and replacement series of intercropping as the sub plot included (pure Roselle, pure peanut, 50% Roselle + 50% peanut, 75% Roselle + 25% peanuts, 75% peanuts + 25% Roselle). Based on the obtained results, different levels of nitrogen and intercropping showed a significant effect on the number of seeds per plant, the number of seeds per seed, the weight of one 1000 seeds, economic yield, biological yield and harvest index. The interaction effect of experimental treatments was significant on economic, biological yield and harvest index. The highest of economic yield of peanuts (5995.33 kg. ha-1) was obtained in sole crop of peanut and consumption of 200 kg. ha-1 nitrogen fertilizer. The results showed that the highest of land equivalent ration was obtained in intercropping of 75% of peanuts plus 25% of Roselle (1.73), which indicated the usefulness of intercropping compared to sole crop planting.
Keywords:
Language:
Persian
Published:
Journal of Crop Improvment, Volume:25 Issue: 4, 2023
Pages:
879 to 891
https://www.magiran.com/p2668071
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