Sensitivity of Soybean Cultivars to Soil Chloride PDF Download
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Author: Myron Bart Parker
Publisher:
ISBN:
Category : Plants
Languages : en
Pages : 14
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Book Description
Author: Myron Bart Parker
Publisher:
ISBN:
Category : Plants
Languages : en
Pages : 14
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Book Description
Author: Dillon Douglas Cox
Publisher:
ISBN:
Category : Soils
Languages : en
Pages : 240
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Book Description
Chloride toxicity is recognized as yield limiting problem in soybean [Glycine max (L.) Merr.] production. Limited information is available to accurately diagnose and manage Cl toxicity. The only recommendation for Cl toxicity management is to plant an excluder cultivar, however the cultivar Cl sensitivity rating system (excluder, includer, and mixed) does not appear to capture the variability in cultivar Cl tolerance. The objectives of this research were to i) develop critical tissue-Cl concentrations in which yield loss occurs for excluder and includer cultivars and ii) investigate the variability in cultivar Cl ratings. A study was conducted across five site-years using six soybean cultivars including three Cl-includer and three Cl-excluder cultivars. Solution containing Cl was applied to the soil beginning at late vegetative growth with final rates ranging from 0 to 1010 kg Cl ha-1. Critical trifoliolate leaflet-Cl concentrations at the R3 stage were developed by regressing relative soybean yield across leaf-Cl concentration for each cultivar Cl rating. For the second objective, composite trifoliolate leaflet and individual trifoliate leaf samples were collected during reproductive growth from variety trials and analyzed for Cl concentration. The research verified that the yield of Cl-includer cultivars is reduced more (4-20%) than Cl-excluder cultivars (0-8%) in high Cl environments. Relative grain yield declined linearly for cultivars within each Cl rating group with 5% yield loss expected when Cl concentrations at the R3 stage averaged 3923 mg Cl kg-1 for Cl includers and 1885 mg Cl kg-1 for Cl excluders. Across more than 100 cultivars sampled in three Arkansas Soybean Performance Tests, tissue-Cl concentration ranged from 100 to 5000 mg Cl kg-1 and showed no clear groupings of the three cultivar Cl-traits suggesting that many cultivars labeled as includers are a mixture of includer and excluder plants. Chloride concentrations of 528 individual plants from eleven cultivars showed 34% and 31% of the plants had Cl concentrations ≤500 or 1000-2000 mg Cl kg-1 with only one cultivar having a pure population of Cl excluder plants. A new rating system is warranted to more accurately characterize the proportion of Cl include and excluder plants of each cultivar.
Author: John J. Yang
Publisher:
ISBN:
Category : Potassium chloride
Languages : en
Pages : 310
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Author: Myron Bart Parker
Publisher:
ISBN:
Category : Plants
Languages : en
Pages : 32
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Book Description
Author: Gary Stacey
Publisher: Springer Science & Business Media
ISBN: 0387722998
Category : Science
Languages : en
Pages : 405
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Book Description
Soybean genomics is of great interest as one of the most economically important crops and a major food source. This book covers recent advances in soybean genome research, including classical, RFLP, SSR, and SNP markers; genomic and cDNA libraries; functional genomics platforms; genetic and physical maps; and gene expression profiles. The book is for researchers and students in plant genetics and genomics, plant biology and pathology, agronomy, and food sciences.
Author: Allen V. Barker
Publisher: CRC Press
ISBN: 1420014870
Category : Science
Languages : en
Pages : 662
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Book Description
The burgeoning demand on the world food supply, coupled with concern over the use of chemical fertilizers, has led to an accelerated interest in the practice of precision agriculture. This practice involves the careful control and monitoring of plant nutrition to maximize the rate of growth and yield of crops, as well as their nutritional value.
Author: Amina Sirag Saied
Publisher: Cuvillier Verlag
ISBN: 3865370330
Category : Salt
Languages : en
Pages : 125
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Book Description
Author:
Publisher:
ISBN:
Category : Soybean
Languages : en
Pages : 766
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Book Description
Author: Esteban Torres-Ortiz
Publisher:
ISBN:
Category : Plants
Languages : en
Pages : 38
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Book Description
Abstract.
Author: Rattan Lal
Publisher: CRC Press
ISBN: 1000031411
Category : Technology & Engineering
Languages : en
Pages : 2804
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Book Description
New and Improved Global Edition: Three-Volume Set A ready reference addressing a multitude of soil and soil management concerns, the highly anticipated and widely expanded third edition of Encyclopedia of Soil Science now spans three volumes and covers ground on a global scale. A definitive guide designed for both coursework and self-study, this latest version describes every branch of soil science and delves into trans-disciplinary issues that focus on inter-connectivity or the nexus approach. For Soil Scientists, Crop Scientists, Plant Scientists and More A host of contributors from around the world weigh in on underlying themes relevant to natural and agricultural ecosystems. Factoring in a rapidly changing climate and a vastly growing population, they sound off on topics that include soil degradation, climate change, soil carbon sequestration, food and nutritional security, hidden hunger, water quality, non-point source pollution, micronutrients, and elemental transformations. New in the Third Edition: Contains over 600 entries Offers global geographical and thematic coverage Entries peer reviewed by subject experts Addresses current issues of global significance Encyclopedia of Soil Science, Third Edition: Three Volume Set expertly explains the science of soil and describes the material in terms that are easily accessible to researchers, students, academicians, policy makers, and laymen alike. Also Available Online This Taylor & Francis encyclopedia is also available through online subscription, offering a variety of extra benefits for researchers, students, and librarians, including: Citation tracking and alerts Active reference linking Saved searches and marked lists HTML and PDF format options Contact Taylor and Francis for more information or to inquire about subscription options and print/online combination packages. US: (Tel) 1.888.318.2367; (E-mail)
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