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Optimisation of organic fertiliser application for enhancing growth and yield of pennywort (Centella asiatica L.) in Central Vietnam

Citation :- Optimisation of organic fertiliser application for enhancing growth and yield of pennywort (Centella asiatica L.) in Central Vietnam. Res. Crop. 26: 715-720
T. T. NGUYEN, T. D. H. TRUONG, T. S. G. NGUYEN, T. A. T. TRAN, T. D. TRAN AND T. T. H. HOANG htthoa@hueuni.edu.vn
Address : University of Agriculture and Forestry, Hue University, Hue City, Vietnam
Submitted Date : 19-10-2025
Accepted Date : 8-11-2025

Abstract

Excessive use of inorganic fertilisers causes environmental and health problems, highlighting the need for sustainable alternatives. Organic fertilisers enhance soil health and crop productivity in an eco-friendly manner. However, limited research on suitable organic fertiliser types and rates for pennywort in Central Vietnam constrains yield and quality optimisation. Field experiments were conducted to determine the suitable type and rate of organic fertiliser in pennywort yield at Hue city, Central Vietnam in two cropping years, 2024 and 2025. Twelve treatment combinations of three types (microorganism organic fertiliser, rice husk and peanut shell organic fertiliser, and FYM) and four rates of organic fertiliser (0, 1, 2, 3 t/ha and 0, 5, 10, 15 t/ha) were studied on the local pennywort variety in a split plot design with three replications. The results revealed that types and rates of organic fertilisers had significant impacts on leaf area, fresh and dry biomass as well as yield of pennywort (p<0.05). The highest economic yield (6.94-7.44 t/ha) and biomass yield (8.01-8.53 t/ha) were obtained at a rate of 15 t/ha at FYM application, followed by organic fertiliser from rice husk and peanut shell application. Hence, FYM or organic fertiliser from rice husk and peanut shell at an optimum rate of 15 t/ha in terms of growth and yield of pennywort is the best option for pennywort production in Hue city, Central Vietnam.

Keywords

Centella asiatica L. organic fertiliser pennywort yield

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