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Faculty of Engineering, University of Hokkaido | 論文

• Improvement of Salt-affected Soils by Deep Ploughing : —Part 2: Plot Field Tests in a Sodic Soil (Solonetz) Region—
• Improvement of Salt-affected Soils by Deep Ploughing : — Part 1: Plot Field Tests in a Saline Soil (Solonchak) Region —
• Deep Tillage Plough down to 600 mm for Improvement of Salt-affected Soils

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