EVALUATION OF ZINC STATUS OF SEVERAL ECUADORIAN SOILIS PDF Download
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Author: FERNANDO PACIFICO TORRES
Publisher: INIAP Archivo Historico
ISBN:
Category :
Languages : en
Pages : 75
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Book Description
Author: FERNANDO PACIFICO TORRES
Publisher: INIAP Archivo Historico
ISBN:
Category :
Languages : en
Pages : 75
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Book Description
Author: Brian J. Alloway
Publisher: Springer Science & Business Media
ISBN: 1402068603
Category : Technology & Engineering
Languages : en
Pages : 370
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Book Description
A deficiency of one or more of the eight plant micronutrients (boron, chlorine, copper, iron, manganese, molybdenum, nickel and zinc) will adversely affect both the yield and quality of crops. Micronutrient deficiencies in crops occur in many parts of the world, at various scales (from one to millions of hectares), but differences in soil conditions, climate, crop genotypes and management, result in marked variations in their occurrence. The causes, effects and alleviation of micronutrient deficiencies in crops in: Australia, India, China, Turkey, the Near East, Africa, Europe, South America and the United States of America, are covered, and these are representative of most of the different conditions under which crops are grown anywhere in the world. Links between low contents of iodine, iron and zinc (human micronutrients) in staple grains and the incidence of human health problems are discussed, together with the ways in which the micronutrient content of food crops can be increased and their bioavailability to humans improved. Detailed treatment of topics, such as: soil types associated with deficiencies, soil testing and plant analysis, field experiments, innovative treatments, micronutrients in the subsoil, nutrient interactions, effects of changing cropping systems, micronutrient budgets and hidden deficiencies in various chapters provides depth to the broad coverage of the book. This book provides a valuable guide to the requirements of crops for plant micronutrients and the causes, occurrence and treatment of deficiencies. It is essential reading for many agronomy, plant nutrition and agricultural extension professionals.
Author: Wim Salomons
Publisher: Springer Science & Business Media
ISBN: 3642793169
Category : Nature
Languages : en
Pages : 409
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Book Description
"Heavy Metals: Problems and Solutions" is divided into three sections dealing with basic geochemical processes, remediation and case studies. The basic geochemical processes are discussed with respect to mobility in the environment and impact as well as methods to derive guidelines for heavy metals. Remediation focuses on currently available methods to treat contaminated sediments and soils. In addition, it considers the concept of geochemical engineering for remediation of large areas contaminated by metals. A number of case studies of polluted sediments and soils and their environmental impact highlight the principles discussed in the first two sections.
Author: Brian Thompson
Publisher: CABI
ISBN: 1780642997
Category : Science
Languages : en
Pages : 455
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Book Description
Nutrition-sensitive, food-based approaches towards hunger and malnutrition are effective, sustainable and long-term solutions. This book discusses the policy, strategic, methodological, technical and programmatic issues associated with such approaches, proposes “best practices” for the design, targeting, implementation and evaluation of specific nutrition-sensitive, food-based interventions and for improved methodologies for evaluating their efficacy and cost-effectiveness, and provides practical lessons for advancing nutrition-sensitive food-based approaches for improving nutrition at policy and programme level.
Author: Food and Agriculture Organization
Publisher: Food & Agriculture Organization of the UN (FAO)
ISBN: 9789251344484
Category : Environmental sciences
Languages : en
Pages : 0
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Book Description
World soil health is under pressure from erosion, loss of soil organic carbon and biodiversity, pollution, and salinization. This report presents the status and drivers of global soil pollution, as well as recommendations to address the issue such as using bioremediation technologies.
Author: Henning Steinfeld
Publisher: Food & Agriculture Org.
ISBN: 9789251055717
Category : Business & Economics
Languages : en
Pages : 418
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Book Description
"The assessment builds on the work of the Livestock, Environment and Development (LEAD) Initiative"--Pref.
Author: Guy Kirk
Publisher: John Wiley & Sons
ISBN: 0470863021
Category : Science
Languages : en
Pages : 304
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Book Description
Submerged soils and the wetlands they support are of huge practical importance: in global element cycles, as centres of biodiversity, in global food production. They are also uniquely interesting scientifically because of their peculiar biogeochemistry and the adaptations of plants and microbes to it. This book describes the physical, chemical and biological processes operating in submerged soils and governing their properties. It describes the transport processes controlling the fluxes of gases and solutes through the soil; the interchange of solutes between solid, liquid and gas phases; reduction and oxidation processes; biological processes in the soil and overlying water; and processes in the roots and rhizospheres of wetland plants. The dynamics of nutrients, toxins, pollutants and trace gases are then discussed in terms of these processes and in relation to wetland productivity and global element cycles. Written by a renowned expert in the field, this work will be invaluable to earth, environmental and agricultural scientists concerned with natural or man-made wetlands, and to advanced undergraduate and graduate studen ts of these topics.
Author: Bienvenido O. Juliano
Publisher: Int. Rice Res. Inst.
ISBN: 9251031495
Category : Business & Economics
Languages : en
Pages : 166
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Book Description
On title page & cover: International Rice Research Institute
Author: IUCN/SSC Tortoise and Freshwater Turtle Specialist Group
Publisher: IUCN
ISBN: 2880329868
Category : Nature conservation
Languages : en
Pages : 210
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Book Description
Author: National Research Council (U.S.). Committee on Tropical Soils
Publisher: National Academies
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 236
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Book Description
Research needs; Soil survey; Soil microvariability; Physical properties of soil; Soil nitrogen and organic matter; Soil phosphorus and sulfur; Soil potassium; Soil acidity and liming; Soil micronutrients; Fertilizers; Soil management systems; Soil testing and soil fertility evaluation services.
