The Evaluation of Different Fertilizers on the Yield and Yield Components of Maize

Subject Areas : Optimizing the use of fertilizers and poisons

ali Lashkari zadeh ¹ , Mohammad Reza Yavarzadeh ² , hilda shamsadini ³

1 - PhD Student, Department of Agriculture, Bam Branch, Islamic Azad University, Bam, Iran
2 - Departement of Agriculture, Bam Branch,Islamic Azad University,Bam,Iran
3 - department of accounting, Bam branch, Islamic Azad University, Bam, Iran

Received: 2025-06-30 Accepted : 2025-09-20 Published : 2025-09-21

Keywords: Chemical fertilizer, Grain yield, Maize, Organic fertilizer, Vermi compost,

Abstract :

Introduction

Fertilizer is one of the most important factors affecting crop yield. Given the importance of balanced plant nutrition and increasing agricultural production needs, investigating the effects of organic and chemical fertilizers on crop yield and yield components is essential. This research investigated the effects of cattle manure, vermicompost, and NPK fertilizer on yield and yield components of corn cultivar 706.

Materials and Methods

This experiment was conducted as factorial design in randomized complete block design with three replications in 2023. Experimental factors included cattle manure at two levels (0 and 5 tons per hectare), vermicompost at two levels (0 and 6 tons per hectare), and NPK fertilizer at two levels (0 and 100 kg per hectare).

Results and Discussion

Results showed that interactive effects of different fertilizers on grain yield, thousand-grain weight, number of grains per row, and plant height were significant at 1% probability level. The highest grain yield (17.1 tons per hectare) was obtained from combined treatment of 5 tons per hectare cattle manure with 6 tons per hectare vermicompost. The highest thousand-grain weight (546.7 g) was achieved from combined treatment of cattle manure, vermicompost, and complete chemical fertilizer.

Conclusion

Integrated application of organic and chemical fertilizers led to significant increase in corn yield. Vermicompost was the most effective factor in improving grain yield, and its application with NPK fertilizer is recommended for optimal production efficiency in corn cultivation.

References:

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