Soil testing has been widely used as a basis for determining lime and fertilizer needs. A number of procedures are used for determining everything from soil pH and lime requirement, to the level of extractable nutrient elements. This book addresses the major methods for managing plant nutrition in the United States and other parts of the world. > For more than 30 years, soil testing has been widely used as a basis for determining lime and fertilizer needs. Today, a number of procedures are used for determining everything from soil pH and lime requirement, to the level of extractable nutrient elements. And as the number of cropped fields being tested increases, more and more farmers and growers will come to rely on soil test results. But if soil testing is to be an effective means of evaluating the fertility status of soils, standardization of methodology is essential. No single test is appropriate for all soils.Soil Analysis Handbook of Reference Methods is a standard laboratory t.