Performance of Seaweed Extract, Molasses, Chemical and Bio-Fertilizers in Improving the Productivity of Mint Plants

Document Type : Original Research

Authors

1 Matrouh University, Faculty of Desert and Environmental Agriculture, Plant Production Department, 51744 Matrouh, Egypt.

2 Horticulture Department,Faculty of agriculture,Beni-Suef university, Egypt

3 Horticulture department (Ornamental plants), Fac. Of Agriculture, Matrouh Univ

4 Horticulture department (Ornamental plants), Faculty of Desert and Environmental Agriculture, Matrouh University, Egypt.

Abstract

This work aimed to study the impact of chemical and biofertilizers, seaweed extract (SW), and molasses (MS) on the growth, yield, and essential oil productivity of Mentha spicata (spearmint). The experiments were carried out during two successive growing seasons, 2021/2022 and 2022/2023, using a split-plot design to compare between the effect of chemical and biofertilizers and between some natural supplements and their interaction to find natural fertilizers alternative to the chemical.
Results showed that the improvement in vegetative growth traits, essential oil yield and chemical composition is great, especially with the treatments of chemical fertilizers plus 10g/L and 5g/L seaweed extract and 476 Kg/ha molasses, respectively. In addition to that adding bio fertilizers at mix form consisted of (Bacillus megaterium, Bacillus circulans, Azotobacter and Azospirillum) plus spraying with 10g/L seaweed extract increased significantly plant growth and essential oil yield compared to using chemical fertilizers alone.
This study has demonstrated that the application of biofertilizers and natural plant extracts plays a vital role in contributing to sustainable agriculture by improving mint plant performance with minimal chemical inputs.

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