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Protected Agriculture
History; Covering materials; Greenhouses; Growing systems in greenhouses; Floriculture crops; Water supply, water quality and mineral nutrition; Drip irrigation; Disease and insect control; Propagation and cultivar selection; Economics of protecred agriculture; Marketing and distribution; Technology transfer between nations; Development constraints, research needs and the future of protected agriculture.
History of the Sewell Families in America
This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. To ensure a quality reading experience, this work has been proofread and republished using a format that seamlessly blends the original graphical elements with text in an easy-to-read typeface. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Plant Roots
The decade since the publication of the third edition of this volume has been an era of great progress in biology in general and the plant sciences in particular. This is especially true with the advancements brought on by the sequencing of whole genomes of model organisms and the development of "omics" techniques. This fourth edition of Plant Roots: The Hidden Half reflects these developments that have transformed not only the field of biology, but also the many facets of root science. Highlights of this new edition include: The basics of root research and their evolution and role in the global context of soil development and atmosphere composition New understandings about roots gained in t...
Agricultural Technologies for Market-led Development Opportunities in the 1990s
Argentina has reformed its public finance system and reversed years of economic decline and deficit spending. This study recommends policy options to speed the already impressive progress. These options would expand the ambitious reform program already under way. This study shows how to sustain balanced public finances over the medium term. It describes ways to sustain price stability and economic growth while providing a cushion against unexpected downturns. Also examined are ways to improve social services while reducing the size of government. Researchers discuss key reforms that could boost the fiscal surplus by as much as 1.4 percent of gross domestic product. They look at ways to build...
