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Abstract

Area under rubber tree stands has an economic potential for production of ginger if proper fertilizer application is implemented. Purpose of this study was to determine the effects of N and P fertilizers application on N uptake, N efficiency and yield of ginger grown under rubber tree stands. The experiment was laid in RCB design with a factorial arrangement of the treatments, consisted of four levels of N fertilizer (0, 3.375, 6.75, and 10.125 g plant-1) and three levels of P fertilizer (0, 9, and 18 g plant-1). There were three replications and 18 plant on each experimental unit. Results indicated that there were significant interaction effects between N and P fertilizers on N uptake and N efficiency. The expected maximum N efficiency of ginger plant was 14.01% as N fertilizer applied alone at 12.56 g plant-1. Similarly, the highest N uptake (1.170 g plant-1) was observed on N application at 13.755 g plant-1 without P. Weight of ginger rhizome was predicted to increase 0.2203 g plant-1 on 1 % increment of N uptake efficiency.

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How to Cite
Murcitro, B. G., Hasanudin, H., & indriani, Y. (2018). PERAN PUPUK N DAN P TERHADAP SERAPAN N, EFISIENSI N DAN HASIL TANAMAN JAHE DI BAWAH TEGAKAN TANAMAN KARET. Jurnal Ilmu-Ilmu Pertanian Indonesia, 8(1), 61–68. https://doi.org/10.31186/jipi.8.1.61-68
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