Authors: Ortas, I Rowell, DL

Citation: I. Ortas et Dl. Rowell, Effect of pH on amount of phosphorus extracted by 10 mM calcium chloride from three rothamsted soils, COMM SOIL S, 31(17-18), 2000, pp. 2917-2923

Authors: Ortas, I Guzel, N Ibrikci, H

Citation: I. Ortas et al., Determination of potassium and magnesium status of soils using different soil extraction procedures in the upper part of Mesopotamia (in the Harran Plain), COMM SOIL S, 30(19-20), 1999, pp. 2607-2625