By Kim H. Tan

Learn the secrets and techniques of soil chemistry and its function in agriculture and the surroundings. learn the elemental legislation of soil chemistry, how they impact dissolution, cation and anion trade, and different reactions. discover how water can shape water-bridges and hydrogen bonding, the commonest forces in adsorption, chelation, and extra. become aware of how electric fees enhance in soils growing electrochemical potentials forcing ions to maneuver into the plant physique via boundaries comparable to root membranes, nourishing vegetation and vegetation. you are able to do all this and extra with Principles of Soil Chemistry, Fourth Edition.


Since the 1st variation released in 1982, this source has made a reputation for itself as a textbook for top point undergraduates and as a convenient reference for execs and scientists. This fourth version reexamines the whole achieve of soil chemistry whereas keeping the transparent, concise variety that made prior versions so straightforward. by way of thoroughly revising, updating, and incorporating a decade’s worthy of latest details, writer Kim Tan has made this version a completely new and higher publication.


See what is new within the Fourth Edition



  • Reexamines atoms because the smallest particle that would input into chemical reactions through probing new advances attesting the presence of subatomic debris and ideas reminiscent of string theory

  • Underscores oxygen because the key point in soil air and surroundings for all times on earth

  • Reevaluates the belief of transformation of orthoclase into albite by way of uncomplicated cation trade reactions as deceptive and bending medical suggestions of ion trade over the restrict of truth

  • Examines the function of fertilizers, sulfur, pyrite, acid rain, and nitrogen fixation in soil acidity, underscoring the debatable influence of nitrification on expanding soil acidity over time

  • Addresses the previous and new ways to humic acids via evaluating the normal operational inspiration opposed to the presently proposed supramolecular and pseudomicellar concept

  • Proposes soil organics, akin to nucleic acids of DNA and others, to additionally adsorb cation ions held as diffusive ion clouds round the polymers


Tan explains, in effortless and straightforward language, the chemical makeup of the 4 soil parts, their chemical reactions and interactions in soils as ruled by means of easy chemical legislation, and their significance in agriculture, undefined, and the surroundings. He differentiates soil chemistry from geochemistry and actual chemistry. Containing greater than two hundred equations, 123 figures, and 38 tables, this renowned textual content and source offers a entire therapy of soil chemistry that builds a origin for paintings in environmental pollutants, natural and inorganic soil infection, and power ecological well-being and environmental overall healthiness risks.

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