Part 1 Chapters relating to soil improvement: what will the future be?; some of the wrong ideas and practices concerning soil conservation; erosion; what do we mean by soil conservation?; how do we plan soil conservation?; how to compare fields and decide what each field needs; soil and fertility conservation - non-terrace conservation; soil and fertility conservation - terrace making; water conservation. Part 2 Chapters in common with volume 2: livestock; forestry, agroforestry and bamboo; appropriate field trials; weed control; research and development needs; extension policy methods and related considerations; to close. Appendices: assessing soil moisture content; the effects of soil management on soil erosion; bulldozer; grasses and legumes for soil conservation; waterways; surveying.