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Contains sixteen chapters, organized into three parts. The first part includes the introduction and discussions of organic matter, soil and water, food quality, nutrient requirements of crops, and nutrients supplied by the soil. The second part deals with organic fertilizers such as manure, hay and straw, compost, seaweed, wood ashes and commercial organic amendments. The third part contains chapters devoted to each major plant nutrient, and one chapter on trace elements. Items covered here are the importance of nutrients to the plant, factors to maximise availability, and the comparison of organic and inorganic fertilizers for supplying the needed nutrient. Typical application rates are also shown here.