Social Structure and Stratification are core concepts in social theories. But social theories and their approaches widely differ and so do these concepts. There are major differences regarding the scope and determination of these concepts. Besides there are two major streams employing structural analysis and explanations: the structuralists or the structural functionalists, or simply, functionalists. Their use of terms, structure and stratification markedly vary. ...
Biology and Management of Wheat Pathogens is a critical and comprehensive compilation on diseases of wheat crop. It provides a detailed account of diagnosis of wheat diseases; nature and extent of damage due to fungi, bacteria, viruses, nematodes and nutritional disorders; epidemiology and ecological factors governing disease development; variability in pathogens and strategic management of wheat health through integration of various approaches. The book ...