Effect of nitrogen fertilizer rates on growth and oil yield of Java lemongrass (Cymbopogon winterianus Jawitt) in Thu Duc, Ho Chi Minh City

Thuan T. H. Pham , Tuyen A. Hoang , Anh T. L. Phan , & Lan P. H. Nguyen *

* Correspondence: Nguyen Pham Hong Lan (email: lan.nonghoc@hcmuaf.edu.vn)

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Received: 23 Jan 2021
Revised: 24 Jan 2024
Accepted: 25 Feb 2021
Published: 26 Feb 2021
DOI: 10.52997/jad.2.01.2021
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Pham, T. T. H., Hoang, T. A., Phan, A. T. L., & Nguyen, L. P. H. (2021). Effect of nitrogen fertilizer rates on growth and oil yield of Java lemongrass (Cymbopogon winterianus Jawitt) in Thu Duc, Ho Chi Minh City. The Journal of Agriculture and Development 20(1), 10-16.
Issue
Volume 20 - Issue 1 (2021)
Section
Agronomy and Forestry Sciences

Main Article Content

Abstract

Java lemongrass is commonly cultivated in Vietnam for the use in industries and traditional medicine. Currently, the application of fertilizer, especially nitrogen fertilizer, is one of the most traditional farm practices to increase production yield. A single factorial experiment was carried out in a completely randomized design, three replications to determine the suitability of nitrogen fertilizer rates on growth, leaf and oil yields of Java lemongrass. Six treatments were used in this experiment including 90, 120, 150, 180, 210, 240 kg N/ha and applying 90 kg N/ha as control. Fertilizer base for treatments (for 1 ha) included 20 tons of cow dung compost, 60 kg P2O5 and 60 kg K2O. The application of 120 kg N/ha significantly improved the growth of Java lemon-grass as plant height (97.0 cm/plant), average number of leaves (197.1 leaves/plant), average weight of leaves per plant (198.7 g/plant), fully leaf yield (9.4 tons/ha/2 harvest times), essential oil content (1.0% FW) and economic oil yield (97.8 kg/ha/2 harvests).

Keywords: Java lemongrass, Lemongrass oil, Nitrogen fertilizer

Article Details

References

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