Int. J. Agron. Agri. Res.22(2), 21-26, February 2023
The research was aimed to obtain the role of dolomite and silicon on the performance of rice cv. Situ Bagendit. A 3×3 factorial experiment with a completely randomized design was used throughout the study. The first factor consisted of three levels of dolomite, Do-0 = no added-dolomite; Do-2 = 200 and Do-4 = 4 tons dolomite/ha. The second factor was three silicon levels, Si-0 = no added-silicon; Si-100 = 100 and S-200 = 200kg silicon/ha. The experiment was conducted at the experimental land of Faculty of Animal and Agricultural Sciences, Diponegoro University, Semarang, Indonesia from October 2018 to February 2019. It was located at 6o50′-7o10′ South and 109o35′-110o50’ East. Parameters observed were number of tillers and panicles, dry weight of shoots, roots and grains, N-shoot and N-root and the 1,000-grain weight. The obtained data were statistically processed using analysis of variance and Duncan multiple range test for multiple comparison among treatment. There was no significant effect due to the treatment of all observed parameters. It may be concluded that the application of up to 4 tons of dolomite/ha and 200kg of silicon/ha was not enough to improve soil quality so it has no effect on rice growth and yield. Therefore it was not recommended to apply to the cultivation of rice cv. Situ Bagendit. Further research needs to be carried out by increasing the dose of dolomite and silicon to obtain the optimum dose for the cultivation rice cv. Situ Bagendit.
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