Remote Sensing of Crop Physiological Parameters for Improved Nitrogen Management in Semi-arid Wheat Production Systems PDF Download
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Author: David J. Bonfil
Publisher:
ISBN:
Category : Soils
Languages : en
Pages : 18
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Book Description
Author: David J. Bonfil
Publisher:
ISBN:
Category : Soils
Languages : en
Pages : 18
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Book Description
Author: United States-Israel Binational Agricultural Research and Development Fund
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: United States. Congress. House. Committee on Appropriations. Subcommittee on Agriculture, Rural Development, Food and Drug Administration, and Related Agencies
Publisher:
ISBN:
Category : Medical
Languages : en
Pages : 1028
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Book Description
Author: Jan Ulrich Hermann Eitel
Publisher:
ISBN:
Category : Dry farming
Languages : en
Pages : 216
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Book Description
Growers require pre-harvest information about grain protein to optimize nitrogen (N) fertilizer inputs and grain harvest. The aim of this dissertation was to predict final grain protein of dryland wheat based on mid-seasonal remote sensing data. Grain protein predictions have relied on weather, cultivar and crop N status information. The latter has been remotely sensed by means of spectral indices. These indices generally employ narrow wavebands (40 nm) that are sensitive to chlorophyll a and b content and leaf area index (LAI) both of which usually co-vary with variations in crop N status. However, remote sensing crop N status is complicated by N-independent variations in LAI and soil background reflectance. Chapter 1 shows that N-independent variations in LAI confound remote predictions of crop N status that are based on single indices, but have only a minor effect if combined indices are used. The new combined index derived from the ratio of Modified Chlorophyll Absorption Ratio Index (MCARI) and the second Modified Triangular Vegetation Index (MTVI2) has the lowest sensitivity to variations in LAI (r2 = 0.01) and the highest sensitivity to crop N status (r2 = 0.54). Chapter 2 evaluates the sensitivity of spectral indices to variation in soil reflectance. The results indicate that spectral indices are affected by soil background reflectance when LAI
Author: Food and Agriculture Organization of the United Nations
Publisher: Food & Agriculture Org.
ISBN: 9251098409
Category : Technology & Engineering
Languages : en
Pages : 94
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Book Description
Timely and reliable agricultural production forecasts are critical to make informed food policy decisions and enable rapid responses to emerging food shortfalls. Sub-Saharan Africa is subject to highly variable yield, production and consumption, occasioned by high climate variability, rapidly increasing populations, and limited financial capacity. This review examines the current status of the remote sensing (RS) tools, products, methodologies and data that can help to improve agricultural crop production forecasting systems.
Author: Nand Kumar Fageria
Publisher: CRC Press
ISBN: 148222285X
Category : Science
Languages : en
Pages : 436
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Book Description
One of the main approaches for safeguarding food security, sustainable development has increased demand for knowledge on fertilizer management in crop production. Among essential plant nutrients, nitrogen is one of the most important yield-limiting nutrients, mainly responsible for determining yield and yield components in cereals and legumes. It i
Author: Salim Lamine
Publisher: Elsevier
ISBN: 0323914640
Category : Technology & Engineering
Languages : en
Pages : 555
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Book Description
Remote Sensing in Precision Agriculture: Transforming Scientific Advancement into Innovation compiles the latest applications of remote sensing in agriculture using spaceborne, airborne and drones' geospatial data. The book presents case studies, new algorithms and the latest methods surrounding crop sown area estimation, determining crop health status, assessment of vegetation dynamics, crop diseases identification, crop yield estimation, soil properties, drone image analysis for crop damage assessment, and other issues in precision agriculture. This book is ideal for those seeking to explore and implement remote sensing in an effective and efficient manner with its compendium of scientifically and technologically sound information. - Presents a well-integrated collection of chapters, with quality, consistency and continuity - Provides the latest RS techniques in Precision Agriculture that are addressed by leading experts - Includes detailed, yet geographically global case studies that can be easily understood, reproduced or implemented - Covers geospatial data, with codes available through shared links
Author:
Publisher:
ISBN:
Category : Administrative agencies
Languages : en
Pages : 778
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Book Description
Author: Victor Sadras
Publisher: Academic Press
ISBN: 0080922295
Category : Science
Languages : en
Pages : 605
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Book Description
Never before has a holistic approach to sustainable agriculture and plant physiology been presented in one source. This book compiles a multi-authored and international perspective on the ways in which crop physiology could be integrated with other disciplines. With a focus on genetic improvement and agronomy, this book addresses the challenges of environmentally sound production of bulk and quality food, fodder, fiber and energy, which are of ongoing international concern. - Provides a view of crop physiology as an active source of methods, theories, ideas and tools for application in genetic improvement and agronomy - Written by leading scientists from around the world with publication records of demonstrable influence and impact - Combines environment-specific cropping systems and general principles of crop science to appeal to advanced students and scientists in agriculture-related disciplines, from molecular sciences to natural resources management
Author:
Publisher: DIANE Publishing
ISBN: 0788101919
Category :
Languages : en
Pages : 727
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Book Description
Describes the individual capabilities of each of 1,900 unique resources in the federal laboratory system, and provides the name and phone number of each contact. Includes government laboratories, research centers, testing facilities, and special technology information centers. Also includes a list of all federal laboratory technology transfer offices. Organized into 72 subject areas. Detailed indices.
