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Plant Science Today (PST)

Research Articles

Vol. 13 No. sp7 (2026): International Conference on Agricultural Sustainability

Effects of nanosilica application and planting system on the growth and yield of rice (Oryza sativa L.) cv. Biosalin 2 Agritan

DOI
https://doi.org/10.14719/pst.14362
Submitted
4 March 2026
Published
17-09-2026

Abstract

Improving rice productivity under coastal salinity requires complementary strategies that alleviate osmotic and ionic stress while optimising plant arrangement. This study evaluated the main and interactive effects of foliar nanosilica and planting systems on the growth and yield of rice (Oryza sativa L.) cv. Biosalin 2 Agritan under coastal field conditions. The experiment was conducted in Telukawur, Jepara, Central Java, Indonesia, from December 2024 to April 2025 using a 4 × 3 factorial completely randomised design with three replications (36 plots). Nanosilica concentrations were 0, 2.5, 5 and 10 mL L-1 and the planting systems were conventional, System of Rice Intensification (SRI) and Jajar Legowo 3:1. Nanosilica and planting system significantly affected plant height and leaf number, while their interaction was significant only for plant height. Nanosilica at 5 mL L-1 increased mean plant height by 6.2 % and leaf number by 15.4 % relative to the control. SRI produced 17.63 productive tillers hill-1, 34.6 % more than the conventional system. The 5 mL L-1 treatment produced the highest grain yield per plot (4.25 kg plot-1) and grain yield (8.08 t ha-1), both approximately 22 % above the control. Planting system and the nanosilica × planting system interaction did not significantly affect grain yield per plot or grain yield. Foliar nanosilica at 5 mL L-1 was therefore the most effective rate under the saline, alkaline conditions of this study, whereas planting-system effects were expressed mainly through plant architecture.

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