Assessment Of Soil Nutrient Balance
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Author | : Rabindra N. Roy |
Publisher | : Food & Agriculture Org. |
Total Pages | : 104 |
Release | : 2003 |
Genre | : Science |
ISBN | : 9789251050385 |
Nutrient-balance assessments are valuable tools for delineating the consequences of farming on soil fertility. Various approaches and methods for different situations have been used in the past. This bulletin presents a state-of-the-art review of nutrient balance studies. It brings out the evolution of the approaches and methods, provides for comparisons among them, features the improvements made, and highlights remaining issues. This analysis will be useful in further development of the assessment methodologies as reliable tools for devising time-scale soil fertility management interventions.
Author | : T. Scott Murrell |
Publisher | : Springer |
Total Pages | : 476 |
Release | : 2022 |
Genre | : Agriculture |
ISBN | : 9783030591991 |
This open access book highlights concepts discussed at two international conferences that brought together world-renowned scientists to advance the science of potassium (K) recommendations for crops. There was general agreement that the potassium recommendations currently in general use are oversimplified, outdated, and jeopardize soil, plant, and human health. Accordingly, this book puts forward a significantly expanded K cycle that more accurately depicts K inputs, losses and transformations in soils. This new cycle serves as both the conceptual basis for the scientific discussions in this book and a framework upon which to build future improvements. Previously used approaches are critically reviewed and assessed, not only for their relevance to future enhancements, but also for their use as metrics of sustainability. An initial effort is made to link K nutrition in crops and K nutrition in humans. The book offers an invaluable asset for graduate students, educators, industry scientists, data scientists, and advanced agronomists.
Author | : Food and Agriculture Organization of the United Nations |
Publisher | : Food & Agriculture Org. |
Total Pages | : 152 |
Release | : 2004 |
Genre | : Business & Economics |
ISBN | : 9789251052372 |
Using data on three countries in sub-Saharan Africa, this report compares macro- and microlevel approaches to determine soil nutrient balances with an innovative mesolevel approach. It highlights the added value that a mesolevel approach can provide in terms of its usefulness to mesolevel stakeholders in articulating and targeting scale-specific soil fertility enhancing measures, and its validity as an entry point for policy-makers and private-sector intervention. Contains numerous color figures and tables.
Author | : Beth K. Gugino |
Publisher | : |
Total Pages | : 52 |
Release | : 2007 |
Genre | : Soil biology |
ISBN | : 9780967650746 |
Author | : |
Publisher | : Int. Rice Res. Inst. |
Total Pages | : 148 |
Release | : 2007 |
Genre | : Plant nutrients |
ISBN | : 9810579497 |
Author | : Amare Haileslassie Tekle |
Publisher | : Cuvillier Verlag |
Total Pages | : 143 |
Release | : 2005 |
Genre | : |
ISBN | : 3865375332 |
Author | : K. I. Peverill |
Publisher | : CSIRO PUBLISHING |
Total Pages | : 427 |
Release | : 1999 |
Genre | : Electronic books |
ISBN | : 0643063765 |
A practical guide to soil tests for Australian soils and conditions.
Author | : Thomas P. Tomich |
Publisher | : Univ of California Press |
Total Pages | : 341 |
Release | : 2016-06-14 |
Genre | : Science |
ISBN | : 0520962230 |
Nitrogen is indispensable to all life on Earth. However, humans now dominate the nitrogen cycle, and nitrogen emissions from human activity have real costs: water and air pollution, climate change, and detrimental effects on human health, biodiversity, and natural habitats. Too little nitrogen limits ecosystem processes, while too much nitrogen transforms ecosystems profoundly. The California Nitrogen Assessment is the first comprehensive account of nitrogen flows, practices, and policies for California, encompassing all nitrogen flows—not just those associated with agriculture—and their impacts on ecosystem services and human wellbeing. How California handles nitrogen issues will be of interest nationally and internationally, and the goal of the assessment is to link science with action and to produce information that affects both future policy and solutions for addressing nitrogen pollution. This book also provides a model for application of integrated ecosystem assessment methods at regional and state (subnational) levels.
Author | : Rattan Lal |
Publisher | : CRC Press |
Total Pages | : 573 |
Release | : 2020-11-26 |
Genre | : Science |
ISBN | : 1000098974 |
Soil degradation has serious global impacts on agronomic, economic, and sociopolitical conditions, however, statistics regarding the degree of these impacts has been largely unreliable. This book aims to standardize the methodology for obtaining reliable and objective data on soil degradation. It will also identify and develop criteria for assessing the severity of soil degradation, providing a realistic scenario of the problem.
Author | : Keppel Coughlan |
Publisher | : CSIRO PUBLISHING |
Total Pages | : 392 |
Release | : 2002-11-26 |
Genre | : Science |
ISBN | : 064309959X |
Soil physical measurements are essential for solving many natural resource management problems. This operational laboratory and field handbook provides, for the first time, a standard set of methods that are cost-effective and well suited to land resource survey. It provides: *practical guidelines on the soil physical measurements across a range of soils, climates and land uses; *straightforward descriptions for each method (including common pitfalls) that can be applied by people with a rudimentary knowledge of soil physics, and *guidelines on the interpretation of results and integration with land resource assessment. Soil Physical Measurement And Interpretation for Land Evaluation begins with an introduction to land evaluation and then outlines procedures for field sampling. Twenty detailed chapters cover pore space relations, water retention, hydraulic conductivity, water table depth, dispersion, aggregation, particle size, shrinkage, Atterburg limits and strength. The book includes procedures for estimating soil physical properties from more readily available data and shows how soil physical data can be integrated into land planning and management decisions.