Advances in Agronomy, Vol. 102

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Research scientists, land managers, and students from a broad range of disciplines will benefit greatly from this assemblage of in-depth knowledge of nitrogen management. The Societies certainly appreciate the efforts of the editors, Drs. Schepers and Raun, who chose an outstanding group of authors, and who skillfully and carefully guided the development of the book.

Advances in Agronomy, Vol. 102

Thank you also to the members of the editorial committee, which included Drs. The editors, along with the highly qualified authors, provide a truly excellent book, one of which all three Societies can be justly proud. We anticipate that the readers will find this book to be a highly valued resource. Preface Nitrogen in Agricultural Systems provides an extensive review of the principles and management implications related to nitrogen in the soil—plant—water system.

Advances in scientific techniques and instrumentation used to study the various interactions and relationships between nitrogen and the environment in the past several decades have prompted this analysis and compilation of current knowledge. Authors participating in this edition have introduced new concepts as well as updated and broadened understandings presented in earlier editions. New chapters have been added to address growing concerns over environmental protection and the efficient use of resources. Significant advances in analytical devices and computational tools have broadened the perspective from which authors present and discuss their specific views on each aspect of the nitrogen cycle.

This volume combines several chapters from previous editions dealing with the sources and forms of nitrogen in the environment and expands discussion of nitrogen loss mechanisms from soil and vegetation. Nitrogen transformations remain a common thread throughout in the discussion of biological, chemical, physical, and weather-related interactions. New research tools and advanced management concepts are presented and discussed from a holistic perspective that emphasizes the complexity of the nitrogen cycle. The subjects of accountability and nitrogen budgeting are emphasized because they have a strong bearing on management decisions and the environmental implications.

The concept of soil—plant resiliency is introduced as a framework from which to better understand and appreciate how climate, soils, and plants interact to broadly delineate cropping eco-regions. The ensuing nitrogen management schemes reflect crop responses, as well as how producers assess and are able to respond to risks. Sections on economic considerations and the water quality implications of nitrogen management are included.

The literature on nitrogen in agricultural systems is vast and continues to expand, which precludes including all references. The editors and authors apologize for the omission of any pertinent citations and contributing research.

Agronomy - Weed Problem for AFO, JRF, NABARD or Any other Agricultural competitive exam

The editorial committee is grateful to the authors for their dedication, cooperation, patience, and support in the completion of this revision. Thanks are extended to the many individuals who graciously reviewed the manuscripts and offered constructive comments.

Special acknowledgement is given to the Headquarters staff for editing and assistance in preparation of this manuscript for publication.

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Skip to main content. Email Address. Crop Sci. Heritability and correlation among sugarcane Saccharum spp. J Plant Sci. Genotypic and phenotypic path analyses and heritability in sugarcane. Evaluation of phenotypic variability in sugarcane using principal factor analysis. Heritability and genotypic and phenotypic correlations among sugarcane yield and some agronomic traits. Egypt L Plant Breed.

Quantitative genetics in maize breeding. Iowa State Univ. Falconer DS. Longman, UK. Ram B, Hemaprabha. Genetic variability in interspecific progenies in sugarcane Saccharuim spp.

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Chaudhary RR. Genetic variability and heritability in sugarcane. Nepal Agric. Interpretation and implications of GxE interactions in advanced stage sugarcane selection trials in central Queensland. Parfitt RC.

Advances in Agronomy, Volume 42

Genotype x environment interacttion among secondary variety trials in the northern region of the South African sugar industry. Glaz B, Kang MS. Location contributions determined via GGE biplot analysis of multi-environment sugarcane genotype-performance trials. Statistical procedure for agricultural research 2nd ed. Genetic relationship between fibger and sugarcane yield components. Heritability and correlation among sugarcane yields and some agronomic and sugar quality traits in Ethiopia. Pant Sci. Genetic variabilities and genetic gains for yield components in regional sugarcane breeding program on Reunion Island.

Sugar Tech; Stem borer Eldana saccharina W infestation outbreak in Sugarcane plantations of northern Ivory Coast: Management strategies under implementation. J Biosci. The status of Eldana saccharina Lepidoptera: Pyralidaea in South African sugar industry based on regular survey data. South Afr. Assessment of natural parasitism of sugarcane moth borer Sesamia spp by Telenomus busseolae in five commercial cultivars. Sugar Tech. Science; Genetic variability of exotic sugarcane genotypes.

Shivasubramanian S, Menon M. Heterosis and inbreeding depression in rice. Madras Agric. Genotypic variations in transpiration efficiency due to differences in photo-synthetic capacity among sugarcane-related clones. Genetic variability and correlation studies in foreign commercial hybrids of sugarcane. Prediction models and selection of agronomic and physiological traits for tolerance to water deficit in cassava. Ram B. Estimation of genetic parameters in different environments and their implications in sugarcane breeding.

Genotypic variability of sugarcane resistance to aphid Melanaphis sacchari, vector of the Sugarcane Yellow Leaf Virus. Plant Bred. Robinson HF. Quantitative genetics in relation to breeding of the centennial of mendalism. Indian J. Assessment of genetic variability, genetic advance, correlation and path analysis for morphological traits in sesame genotypes.

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Genetic variability and heritability of yield and related characters in yard-long bean. Prospects for new varieties in the medium to long term: The effects of current and future breeding strategy on variety characteristics. Plant Breed.