| Issue |
E3S Web of Conf.
Volume 444, 2023
4th International Conference on Agribusiness and Rural Development (IConARD 2023)
|
|
|---|---|---|
| Article Number | 04027 | |
| Number of page(s) | 8 | |
| Section | Agricultural Technology and Smart Farming | |
| DOI | https://doi.org/10.1051/e3sconf/202344404027 | |
| Published online | 14 November 2023 | |
Effect of NPK, and Si Fertilizers on Exchangeable Potassium, K Uptake and Growth of Black Rice (Oryza sativa L. indica) on Ultisols
1 Department of Soil Science and Land Resources, Faculty of Agriculture, Padjadjaran University, Jatinangor, Indonesia, 45360
2 Student of the Agrotechnology Study Program, Faculty of Agriculture, Padjadjaran University, Jatinangor, Indonesia, 45360
* Corresponding author: saedibawana@gmail.com
Ultisols are one of the soil orders that dominate dry land in Indonesia, and they have a lot of fertility issues. NPK and Si fertilization is used to enhance soil conditions and deliver nutrients to plants. Jeliteng cultivar black rice is a type of rice that can be cultivated on dry land. This research was conducted from October 2021 to January 2022 at the Experimental Land for Soil Chemistry and Plant Nutrition, Faculty of Agriculture, Universitas Padjadjaran, Jatinangor, West Java with an altitude of 750 meters above sea level. The experimental design was carried out using a Randomized Block Design with nine treatments and three replications. The results showed that the combination of 1 NPK + 1 Silica fertilizer was the best treatment in increasing the exchangeable potassium of the soil, which was 0.70 cmol.kg-1 and K uptake was 1.91 mg/tanaman. There is no one best treatment dose for plant growth, but the addition of NPK, and Si fertilizers, can increase plant growth, specifically plant height and number of tillers.
© The Authors, published by EDP Sciences, 2023
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