EFFECTS OF DIFFERENT LEVELS OF NITROGEN APPLICATION ON GROWTH AND YIELD OF CELERY

Lê Trúc Linh; Diệp Phước Hoài; Huỳnh Nga; Lưu Thị Thúy Hải

doi:10.34238/tnu-jst.10444

EFFECTS OF DIFFERENT LEVELS OF NITROGEN APPLICATION ON GROWTH AND YIELD OF CELERY

About this article

Received: 23/05/24 Revised: 26/09/24 Published: 27/09/24

Authors

1. Le Truc Linh , Tra Vinh University
2. Diep Phuoc Hoai, Tra Vinh University
3. Huynh Nga, Tra Vinh University
4. Luu Thi Thuy Hai, Tra Vinh University

Abstract

This study was carried out to evaluate the effects of different nitrogen (N) doses (100, 140, 180, 220 kg N/ha) on growth, yield and quality of celery. The research applied randomized complete block design with 4 replications and conducted in loam soil for growing annual crops in Tra Vinh province. The results displayed that indicators related to growth, yield and quality of celery increased significantly when increasing nitrogen doses from 100 to 180 kg/ha. However, when using 220 kgN/ha, these parameters decreased. Celery yield in the treatment using 180 kg N/ha was found to be highest (57.70 tons/ha) while at a higher dose of 220 kg N/ha, the celery yield decreased to only 52.20 tons/ha. Nitrate ((NO₃^-) content in celery in all treatments was low from 24.08 - 25.07 mg/kg. Therefore, applying 180 kg N/ha combined with 120 kg P₂O₅ and 160 kg K₂O/ha could be considered as an appropriate dose for celery’s growth and yield parameters.

Keywords

Nitrogen fertilizer; Celery; Nitrate; Safe vegetables; Tra Vinh

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DOI: https://doi.org/10.34238/tnu-jst.10444

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