Metabolism and Transport of P Nutrient in the Rhizosphere Zone in Acidic Soils


  • Niluh Putu Sri Ratmini South Sumatra Assessment Institute for Agricultural Technology, Palembang 30153, South Sumatra, Indonesia



acid soil, metabolism, phosphor, rhizosphere


Acidic soils are characterized by low soil pH and high solubility of iron and aluminum affecting the availability of P to be low. The P concentration in the soil solution around the rhizosphere will be influenced by the presence and metabolism of plant roots. Plants get P in the form of inorganic phosphate anion (Pi) from soil solution.  Exudate will affect the activity of microorganisms in rhizosphere and rhizoplan. This paper aimed to review the factors that affect P metabolism in the rhizosphere region. Some of the factors that influence the P metabolism in the rhizophir region are pH, root exudates, microorganisms, temperature, and humidity. Nutrient transformation in the rhizosphere was very narrow. Several things affecting the P transformation include temperature, humidity regime, oxygen, pH and ion availability, sunlight, and CO2. In the soil deficient in P, the plant roots undergo adaptation through changes in root morphology. The P availability in acid soils can be increased by the integration of plants with phosphate solubilizing bacteria or fungi. It is hoped that an understanding of P metabolism in the rhizosphere can determine a more efficient P management effort.

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How to Cite

Sri Ratmini, N. P. (2022). Metabolism and Transport of P Nutrient in the Rhizosphere Zone in Acidic Soils. Jurnal Lahan Suboptimal : Journal of Suboptimal Lands, 11(1), 51–58.