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This comprehensive work provides a detailed account of the experiments conducted at the Rothamsted Experimental Station in England, one of the most important sites in the history of agricultural science. Hall, Warington, and the Lawes Agricultural Trust Committee provide detailed analysis of the results of these experiments, which helped to shape our understanding of plant growth, soil health, and agricultural productivity. With detailed descriptions of the experimental methods and results, this book is an essential resource for anyone interested in the history of agriculture or the science of plant growth. This work has been selected by scholars as being culturally important, and is part of...
Excerpt from The Book of the Rothamsted Experiments: Issued With the Authority of the Lawes Agricultural Trust Committee IN writing this account of the Rothamsted Experiments - the sixty years' work of two men, Lawes and Gilbert, whose names have become familiar in every part of the world where agri culture is something more than a matter of tradition and custom-li am of necessity acting as an external demonstrator, describing from the outside, as it were, what seem to be the chief lessons conveyed by the experiments which I have now the honour to conduct. Lawes and Gilbert are dead, and with them passed away many observations of value and many notable generalisations which they had found no...
Soil organic matter (SOM) represents a major pool of carbon within the biosphere, roughly twice than in atmospheric CO2. SOM models embody our best understanding of soil carbon dynamics and are needed to predict how global environmental change will influence soil carbon stocks. These models are also required for evaluating the likely effectiveness of different mitigation options. The first important step towards systematically evaluating the suitability of SOM models for these purposes is to test their simulations against real data. Since changes in SOM occur slowly, long-term datasets are required. This volume brings together leading SOM model developers and experimentalists to test SOM models using long-term datasets from diverse ecosystems, land uses and climatic zones within the temperate region.
Volume III includes more selections of articles that have initiated fundamental changes in statistical methodology. It contains articles published before 1980 that were overlooked in the previous two volumes plus articles from the 1980's - all of them chosen after consulting many of today's leading statisticians.
One of the central questions of ecology is why there are so many different kinds of plants and animals. Here David Tilman presents a theory of how organisms compete for resources and the way their competition promotes diversity. Developing Hutchinson's suggestion that the main cause of diversity is the feeding relations of species, this book builds a mechanistic, resource-based explanation of the structure and functioning of ecological communities. In a detailed analysis of the Park Grass Experiments at the Rothamsted Experimental Station in England, the author demonstrates that the dramatic results of these 120 years of experimentation are consistent with his theory, as are observations in ...