Optimization of organic and inorganic fertilizers on growth and yield of carrot (Daucus carota L.)

Year 2025, Volume: 7 Issue: 1, 56 - 65, 30.06.2025

Md. Amirul Islam Babul , Tatia Biswas , Sorowardi Hossain , Md Habibur Rahman , M. Ashraful Islam

https://doi.org/10.53663/turjfas.1647852

https://izlik.org/JA87WU62UK

Abstract

Carrot is an important root vegetable cultivated worldwide. The storage root is widely utilized due to its richness in carotenoids, anthocyanins, dietary fiber, vitamins and other nutrients. Carrot extracts, which serve as sources of antioxidants, have important functions in preventing many diseases. The aim of the study was to investigate the combined effect of different levels of organic and inorganic fertilizers on growth and yield attributes of carrot cv. ‘T-Summer’. There were 13 treatments in the experiment: T1= Control, T2= Inorganic (100%), T3= Vermicompost (100%), T4= Cow dung (100%), T5= Vermicompost (25%) + Inorganic (75%), T6= Vermicompost (50%) + Inorganic (50%), T7= Vermicompost (75%) + Inorganic (25%), T8= Cow dung (25%) + Inorganic (75%), T9= Cow dung (50%) + Inorganic (50%), T10= Cow dung (75%) + Inorganic (25%), T11= Vermicompost (25%) + Cow dung (25%) + Inorganic (50%), T12= Vermicompost (50%) + Cow dung (25%) + Inorganic (25%), T13= Vermicompost (25%) + Cow dung (50%) + Inorganic (25%). Among these treatments T13 (Vermicompost 25%+ Cow dung 50% + Inorganic 25%) gives the maximum plant height (47.03 cm) which is approximately 62.86% higher than the control treatment and maximum number (no.) leaves per plant (8.47) at 75 days after sowing (DAS) which was also considerably distinct from other treatments. In T13 treatment, the root weight is increased 108.27% and the leaf weight is increased 171.75% than the control treatment. The highest root diameter (7.72 cm) was obtained from T13 treatment, and it is 45.28% higher from control treatment. Application of vermicompost (25%), cow dung (50%) and inorganic fertilizer (50%) produced the highest gross yield. So, difference between the maximum and minimum gross yield is approximately 108.61%. Considering the above findings, the combination of vermicompost (25%), cow dung (50%) and inorganic fertilizer (25%) was found to be best for growth and yield of carrot cv. ‘T-Summer’ at Horticulture Farm condition of BAU, Mymensingh.

Keywords

Carrot , Fertilizer , Organic , Production , Vermicompost , Yield

Ethical Statement

Not applicable.

Supporting Institution

This study was funded by National Science and Technology (NST) fellowship, Ministry of Science and Technology, Government of Bangladesh

Thanks

The Ministry of Science and Technology, Government of Bangladesh, is greatly appreciated by the authors for funding the research through the National Science and Technology (NST) fellowship. For providing the technical assistance needed to carry out the study at the horticulture farm, the authors are also appreciative of the Horticulture Department at Bangladesh Agricultural University (BAU).

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