(1)
Purnomo, E.; Choiron, D.; Yulia, R.; Halim, H.; Krisdianto, .; Hairani, A.; Osaki, M. Root-Induced Changes in the Rhizosphere of Extreme High Yield Tropical Rice: 2. Soil Solution Chemical Properties. j Trop. Soils 2013, 17, 189-196.