Hokkaido University · Environmental Science
Professor Ryusuke Hatano's research lab focuses on soil-plant interactions, particularly the role of soil macropores in root development and water movement. The lab investigates the structural and functional characteristics of soil pore systems across different soil types, emphasizing how macropore architecture influences root elongation and soil hydrology. Using undisturbed soil columns and detailed pore analysis, the lab explores the relationships between soil morphology, root distribution, and environmental processes. Their work contributes to sustainable agriculture and land management by improving understanding of root-soil interactions in natural and cultivated ecosystems.
Figures are computed from collected data and may differ slightly.
Abstract We studied the role of soil macropores in the promotion of root elongation. The roots of maize plants were grown in undisturbed soil columns 30 cm in diameter and 10 cm in height. The number of visible macropores with or without roots was counted in horizontal sections cut every 2–3 cm. The soils used were taken from the BC and C horizons of a Brown Lowland Soil, the BCg and Cg horizons of a Pseudogley and the B horizon of an Ordinary Andosol. The distribution patterns of the soil macro
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