{"type": "FeatureCollection", "features": [{"id": "10.1016/j.biombioe.2018.10.004", "type": "Feature", "geometry": null, "properties": {"updated": "2026-05-25T16:15:35Z", "type": "Journal Article", "created": "2018-10-11", "title": "How and why does willow biochar increase a clay soil water retention capacity?", "description": "Abstract   Addition of biochar into a soil changes its water retention properties by modifying soil textural and structural properties. In addition, internal micrometer-scale porosity that is able to directly store readily plant available water affects soil water retention properties. This study shows how precise knowledge of the internal micrometer-scale pore size distribution of biochar can deepen the understanding of the biochar-water interactions in soils. The micrometer-scale porosity of willow biochar was quantitatively and qualitatively characterized using X-ray tomography, 3D image analysis and Helium ion microscopy. The effect of biochar application on clay soil water retention was studied by conventional water retention curve approach. The results indicate that the internal pores of biochar, with sizes of at 50 and 10\u202f\u03bcm (equivalent pore diameter), increased soil porosity and the amount of readily plant available water. After biochar addition, changes in soil porosity were detected at pore size regimes 5\u201310 and 25\u202f\u03bcm, i.e. biochar pore sizes multiplied by factor 0.5. The detected pore size distribution of biochar does not predict directly (1:1 compatibility) the changes observed in the soil moisture characteristics. It is likely that biochar chemistry and pore morphology affect biochar-water interactions via e.g. surface roughness and contact angle. In addition, biochar induced changes in soil structure and texture affected soil moisture characteristics. However, the approach presented is an attractive pathway to more generalized understanding on how and why biochar internal porosity affects soil moisture characteristics.", "keywords": ["570", "Fysiikka", "ta1171", "mikroskopia", "savi", "01 natural sciences", "630", "huokoisuus", "soil water retention", "tomografia", "219", "3D image analysis", "biochar", "3D-mallinnus", "ta216", "ta218", "219 Environmental biotechnology", "0105 earth and related environmental sciences", "x-ray tomography", "biohiili", "maaper\u00e4", "ta114", "Physics", "ta1182", "04 agricultural and veterinary sciences", "15. Life on land", "6. Clean water", "mikrorakenteet", "plant available water", "helium ion microscopy", "0401 agriculture", " forestry", " and fisheries", "vesipitoisuus", "X-ray tomography"]}, "links": [{"href": "https://doi.org/10.1016/j.biombioe.2018.10.004"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Biomass%20and%20Bioenergy", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.biombioe.2018.10.004", "name": "item", "description": "10.1016/j.biombioe.2018.10.004", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.biombioe.2018.10.004"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2018-12-01T00:00:00Z"}}, {"id": "10.1016/j.jcs.2019.102829", "type": "Feature", "geometry": null, "properties": {"updated": "2026-05-25T16:16:26Z", "type": "Journal Article", "created": "2019-09-06", "title": "Morpho-densitometric traits for quinoa (Chenopodium quinoa Willd.) seed phenotyping by two X-ray micro-CT scanning approaches", "description": "Recent studies are increasingly focusing on quinoa (Chenopodium quinoa) as a high-quality protein-rich food source and, in general, on seed quality. This latter is a complex trait difficult to characterize with standard measurements or analyses. X-ray micro-CT allows to visualise the internal structure of small objects and has been already used in seed research, mostly for maize kernel characterization. To date this technique has not yet been applied to study quinoa seeds, despite the increasing interest for their nutritional properties. The aim of this work was to explore the use of X-ray microtomography to provide new traits improving the seed phenotyping of quinoa. Two different scanning approaches have been compared: one based on the simultaneous scanning of multiple seeds (30) at lower resolution (20 ?m voxel size) and one based on the scanning of a single seed at higher resolution (2 ?m voxel size). Such approaches were tested on a study case consisting of four different quinoa genotypes. Among the measured morpho-densitometric parameters, the embryo volume and weight ratios (derived from bulk and single seed scanning, respectively) showed high positive correlation with the total protein content, while the thickest fraction of the pericarp was the best correlated with the presence of saponins.", "keywords": ["Fitomejoramiento", "2. 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