Professor de Wit's valedictory address is included.

This book provides an overview of quantitative approaches to analyse the effects of economic policy reforms on sustainable land use in less developed countries (LDCs). Its purpose is to assess recent advances in modelling approaches, to identify key issues in quantifying the relationships, and to formulate recommendations on future research directions that may add to further improve our understanding of the potential effects of economic policy instruments on soil quality changes in LDCs. Special attention is paid to modelling the responses of farm households to policy incentives.

Cytogenetics plays an important role in understanding the chromosomal and genetic architecture of plant species. Plant Cytogenetics, Third Edition follows the tradition of its predecessors presenting theoretical and practical aspects of plant cytogenetics. Chapters describe correct handling of plant chromosomes, methods in plant cytogenetics, cell division, reproduction methods, chromosome nomenclature, karyotype analysis, chromosomal aberrations, genome analysis, transgenic crops, and cytogenetics in plant breeding. This new edition begins with a brief introduction on the historical aspect of cytogenetics and flows directly into handling of plant chromosomes by classical and modern cytological techniques, classical Mendelian Genetics, brief description of cell division, and chromosome identification by karyotype analysis. The comprehension of cytogenetics is incomplete without information on the role of aneuploidy in associating a gene on a particular chromosome, and the book covers these methodologies as a primary topic. Covering classical to modern cytogenetics, the book presents to the reader the crucial role of cytogenetics in improving crops.

The essays in this volume are united by their attention to the many ways in which residents of Greece's southern Argolid peninsula—the focus of more ethnographic and ethnohistorical study than any other comparable region of Greece—have attempted to shelter, feed, and advance the economic situation of their families over the last three centuries.