Soil And Fertilizer Concepts And Practices

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Soil And Fertilizer Concepts And Practices

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Author : 楊秋忠
language : en
Publisher: Airiti Press
Release Date : 2015-01-14

Soil And Fertilizer Concepts And Practices written by 楊秋忠 and has been published by Airiti Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-01-14 with categories.

Agriculture builds upon the integration of crops and the environment, with which its yield depends strongly on a healthy soil foundation. With that in mind, the knowledge of the soil and fertilizer is crucial to maintaining an environment with optimal nutrients, water and oxygen for crop production. Soil is one of human's precious resources, the protection and nurturing of our soil is thus an integral part of sustainable development. Effective soil management is considered not only a technology, but also an art. In practice, to make use the full potential of the land, the management strategies need to take account of the differences and characteristics of the soil, plant and climate that are unique to each geographical location. Such an approach is increasingly more important nowadays because of the increasing loss of cultivable land and need of high quality agricultural products.

Soil Fertility Management In Agroecosystems

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Author : Amitava Chatterjee
language : en
Publisher: John Wiley & Sons
Release Date : 2020-05-19

Soil Fertility Management In Agroecosystems written by Amitava Chatterjee and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-05-19 with Technology & Engineering categories.

In Soil Fertility Management in Agroecosystems, Editors Amitava Chatterjee and David Clay provide a thoughtful survey of important concepts in soil fertility management. For the requirements of our future workforce, it is imperative that we evolve our understanding of soil fertility. Agronomists and soil scientists are increasingly challenged by extreme climatic conditions. Farmers are experimenting with integrating cover crops into rotations and reducing the use of chemical fertilizers. In other words, there is no such a thing as a simple fertilizer recommendation in today's agriculture. Topics covered include crop-specific nutrient management, program assessment, crop models for decision making, optimization of fertilizer use, cover crops, reducing nitrous oxide emissions, natural abundance techniques, tile-drained conditions, and soil biological fertility.

Precision In Crop Farming

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Author : Hermann J. Heege
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-07-03

Precision In Crop Farming written by Hermann J. Heege and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-07-03 with Technology & Engineering categories.

High yields and environmental control in crop farming call for precise adaptations to local growing conditions. Treating large fields in a uniform way by high capacity machinery cannot be regarded as a sustainable method for many situations. Because differences existing within single fields must be considered. The transition from former field work carried out manually or by small implements to present-day high-capacity machinery caused that the farmers lost the immediate and close contact with soils and crops. However, modern sensing and controlling technology can make up for this deficit. High tech methods that include proximal sensing and signals from satellites can provide for controls that allow adjusting farming operations to small fractions of one ha and sometimes even down to some m2, hence in a site-specific mode. This applies to operations for soil cultivation, sowing, fertilizing and plant protection. This book deals with site-specific concepts, applications and results.

Fertilizers And Environment

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Author : Claudio Rodriguez Barrueco
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06

Fertilizers And Environment written by Claudio Rodriguez Barrueco and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Technology & Engineering categories.

Food production remains the highest agricultural priority, subject to the constraint that it be done in harmony with nature, or at least with minimum environmental pollution. The amount of fertilizer applied can be controlled using modern application techniques, including soil and crop management, guaranteeing higher economic profit and lower environmental cost. It is in such a context that the present book addresses the efficient and rational use of mineral and organic fertilizers while preserving environmental quality. The book discusses the impact on surface and groundwaters, soils and crops, and experience of nitrate leaching, denitrification, ammonia volatilization, heavy metal pollution, agricultural and urban waste management, and international and national legislation. Audience: Agronomists, environmentalists, soil and food chemists, ecologists, policy makers, and managers in the fertilizer industry concerned with the trend of public opinion.

Valuing Nutrients In Soil And Water Concepts And Techniques With Examples From Iwmi Studies In The Developing World

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Author : Drechsel, Pay, Giordano, Mark, Gyiele, Lucy
language : en
Publisher:
Release Date : 2004

Valuing Nutrients In Soil And Water Concepts And Techniques With Examples From Iwmi Studies In The Developing World written by Drechsel, Pay, Giordano, Mark, Gyiele, Lucy and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Soil fertility categories.

Despite the importance of nutrient-water interactions, they are often ignored in analysis. After discussing the interrelationships between soil nutrients and water and reviewing methods for determining nutrient balances, this report describes an array of available methods for soil nutrient valuation and provides a discussion of four nutrient valuation studies, which together cover a range of scales, perspectives, and geographic contexts. It also includes case studies from Ghana, Mexico, sub-Saharan Africa, and an examination of possible approaches to valuing soil organic matter and its various functions--an often ignored area in literature.

Soil And Fertilizers

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Author : Rattan Lal
language : en
Publisher: CRC Press
Release Date : 2020-05-06

Soil And Fertilizers written by Rattan Lal and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-05-06 with Nature categories.

Soil and Fertilizers: Managing the Environmental Footprint presents strategies to improve soil health by reducing the rate of fertilizer input while maintaining high agronomic yields. It is estimated that fertilizer use supported nearly half of global births in 2008. In a context of potential food insecurity exacerbated by population growth and climate change, the importance of fertilizers in sustaining the agronomic production is clear. However, excessive use of chemical fertilizers poses serious risks both to the environment and to human health. Highlighting a tenfold increase in global fertilizer consumption between 2002 and 2016, the book explains the effects on the quality of soil, water, air and biota from overuse of chemical fertilizers. Written by an interdisciplinary author team, this book presents methods for enhancing the efficiency of fertilizer use and outlines agricultural practices that can reduce the environmental footprint. Features: Includes a thorough literature review on the agronomic and environmental impact of fertilizer, from degradation of ecosystems to the eutrophication of drinking water Devotes specific chapters to enhancing the use efficiency and effectiveness of the fertilizers through improved formulations, time and mode of application, and the use of precision farming technology Reveals geographic variation in fertilizer consumption volume by presenting case studies for specific countries and regions, including India and Africa Discusses the pros and cons of organic vs. chemical fertilizers, innovative technologies including nuclear energy, and the U.N.’s Sustainable Development Goals Part of the Advances in Soil Sciences series, this solutions-focused volume will appeal to soil scientists, environmental scientists and agricultural engineers.

Plant Nutrition And Soil Fertility Manual

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Author : J. Benton Jones Jr.
language : en
Publisher: CRC Press
Release Date : 2012-02-13

Plant Nutrition And Soil Fertility Manual written by J. Benton Jones Jr. and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-02-13 with Science categories.

Like all living things, plants require nutrient elements to grow. The Plant Nutrition Manual describes the principles that determine how plants grow and discusses all the essential elements necessary for successful crop production. The nutritional needs of plants that add color and variety to our visual senses are addressed as well. Altogether, nut

Soil Organic Matter And Feeding The Future

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Author : Rattan Lal
language : en
Publisher: CRC Press
Release Date : 2021-12-08

Soil Organic Matter And Feeding The Future written by Rattan Lal and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-12-08 with Science categories.

Soil organic matter (SOM) is the primary determinant of soil functionality. Soil organic carbon (SOC) accounts for 50% of the SOM content, accompanied by nitrogen, phosphorus, and a range of macro and micro elements. As a dynamic component, SOM is a source of numerous ecosystem services critical to human well-being and nature conservancy. Important among these goods and services generated by SOM include moderation of climate as a source or sink of atmospheric CO2 and other greenhouse gases, storage and purification of water, a source of energy and habitat for biota (macro, meso, and micro-organisms), a medium for plant growth, cycling of elements (N, P, S, etc.), and generation of net primary productivity (NPP). The quality and quantity of NPP has direct impacts on the food and nutritional security of the growing and increasingly affluent human population. Soils of agroecosystems are depleted of their SOC reserves in comparison with those of natural ecosystems. The magnitude of depletion depends on land use and the type and severity of degradation. Soils prone to accelerated erosion can be strongly depleted of their SOC reserves, especially those in the surface layer. Therefore, conservation through restorative land use and adoption of recommended management practices to create a positive soil-ecosystem carbon budget can increase carbon stock and soil health. This volume of Advances in Soil Sciences aims to accomplish the following: Present impacts of land use and soil management on SOC dynamics Discuss effects of SOC levels on agronomic productivity and use efficiency of inputs Detail potential of soil management on the rate and cumulative amount of carbon sequestration in relation to land use and soil/crop management Deliberate the cause-effect relationship between SOC content and provisioning of some ecosystem services Relate soil organic carbon stock to soil properties and processes Establish the relationship between soil organic carbon stock with land and climate Identify controls of making soil organic carbon stock as a source or sink of CO2 Connect soil organic carbon and carbon sequestration for climate mitigation and adaptation

Manual On Integrated Soil Management And Conservation Practices

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Author :
language : en
Publisher: Food & Agriculture Org.
Release Date : 2000

Manual On Integrated Soil Management And Conservation Practices written by and has been published by Food & Agriculture Org. this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Nature categories.

"Manual based on the training course: Soil management and conservation--efficient tillage methods for soil conservation held at IITA, Ibadan, Nigeria, 21 April-1 May 1997. Organized by the Land and Plant Nutrition Management Service of the Land and Water Development Division and the Agricultural Engineering Branch of the Agricultural Support Systems Division, FAO in cooperation with the International Institute of Tropical Agriculture (IITA) Ibadan, Nigeria."

Catalog

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Author : Southwestern Indian Polytechnic Institute
language : en
Publisher:
Release Date :

Catalog written by Southwestern Indian Polytechnic Institute and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on with Indians of North America categories.