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Constituents and Properties of Soils
註釋Identification and quantitative evaluation of the mineral constituents; Amorphous and crystalline oxyhydroxides and oxides in soils (iron, aluminium, manganese, silicon); The Clay minerals; The conditions of formation of secondary constituents; Ecological significance of the weathering complex. Relative importance of general and local factors; Genesis and properties of humic molecules; Soil biology; Soil solution: composition and pedogenic significance; Analysis of the organo-mineral complexes of soils; Study of the turnover of soil organic matter using radioisotopes (14C); Particle size analysis; Assembly and physical organization of particles; Soil fabric at the microscopic level; Soil and water; Aeration and redox phenomena in soils; Soil temperature; Theconcept of pedoclimate; The exchange complex: the general laws of anion and cation exchange; Mechanisms regulating the pH of soils; Forms of elements in soil in relation to plant nutrition; Lime in soils: calcium and magnesium; Potassium; Nitrogen; Phosphorus and sulphur; Trace elements essential to the growth of plants, and toxicity phenomena; Conclusion: relations between plant nutrition and physical properties; The cartography of soils.