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Book Nitrogen Management for Corn Grown on a Clay Soil

Download or read book Nitrogen Management for Corn Grown on a Clay Soil written by Preston W. Parker and published by . This book was released on 1992 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Nitrogen Management Strategies to Improve Corn Growth and Reduce Soil Greenhouse Gas Emissions from Claypan Soils

Download or read book Nitrogen Management Strategies to Improve Corn Growth and Reduce Soil Greenhouse Gas Emissions from Claypan Soils written by Tyler W. Steusloff and published by . This book was released on 2018 with total page 155 pages. Available in PDF, EPUB and Kindle. Book excerpt: Adoption of nitrogen (N) management strategies to minimize gaseous N loss from agriculture while maintaining high yield production is increasingly important for an exponentially growing population. Agricultural management on poorly-drained claypan soils in the Midwestern U.S. make corn (Zea mays L.) production even more challenging due to the subsoil's low permeability, which may result in wetter soil conditions and relatively larger amounts of soil N[subscript 2]O emissions during the growing season. The objective of this study was to determine the effects of urea fertilizer placement with and without the addition of a nitrification inhibitor (NI) on corn yield, N use efficiency (NUE), and cumulative soil N[subscript 2]O emissions on a Northeastern Missouri claypan soil. The fertilizer strategies utilized in this study consisted of deep-banded urea (DB) or urea plus nitrapyrin [2-chloro-6-(trichloromethyl) pyridine] (DB+NI) at a depth of 20 cm compared to urea broadcast surface applied (SA) or incorporated to a depth of 8 cm (IA). The addition of a NI with deep-banded urea resulted in 27% greater apparent N recovery efficiency than all other N treatments. Additionally, DB+NI had 54 and 55% lower cumulative soil N[subscript 2]O emissions than IA and SA treatments in the two combined growing seasons. These results suggest that deep placement of urea with or without nitrapyrin is an effective management strategy for increasing corn yield and reducing N loss on a claypan soil.

Book A Systems Analysis Approach to Nitrogen Management in the Northern U S Corn Belt

Download or read book A Systems Analysis Approach to Nitrogen Management in the Northern U S Corn Belt written by Steven Lyle Oberle and published by . This book was released on 1988 with total page 278 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Soil Fertility Management in Agroecosystems

Download or read book Soil Fertility Management in Agroecosystems written by Amitava Chatterjee and published by John Wiley & Sons. This book was released on 2020-05-19 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Book Managing Nitrogen Soils for Corn Production on Irrigated Sandy Soils

Download or read book Managing Nitrogen Soils for Corn Production on Irrigated Sandy Soils written by George William Rehm and published by . This book was released on 1989 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book How to Grow One Hundred Bushels of Corn Per Acre on Worn Soil

Download or read book How to Grow One Hundred Bushels of Corn Per Acre on Worn Soil written by William Cadid Smith and published by . This book was released on 1910 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Nitrogen Rates for Corn on Arkansas Delta Soils

Download or read book Nitrogen Rates for Corn on Arkansas Delta Soils written by J. H. Muir and published by . This book was released on 1992 with total page 15 pages. Available in PDF, EPUB and Kindle. Book excerpt: The silt loam soils apparently differ in N recommendations for corn production depending on whether the parent material is loessial or alluvial. The loessial silt loam soils appear to have a lower N requirement perhaps due to a lower N loss or more N mineralized from organic matter than the alluvial soils. The alluvial silt loam soils have a higher N requirement than the loessial soils. Nitrogen rates required to produce agronomic optimum yields on silty clay soils are much higher than on coarse testured soils, ranging from 250 to 300 lb/ acre when yield goals are 150 and 175 bu/acre, respectively. Although more N is required on silty clay soils, the additional cost may be neutralized by less need for fertilizer P and K. Thus, corn may be a profitable alternative crop for clayey, poorly drained soils in the Mississippi River delta of Arkansas. The fertilizer N requirement for corn production on the different soils had the following rank: silty clay soils>alluvial silt loam soils>loessial silt loam soils. The actual range of N recommendations (based on Tables 3 and 6) can be defined as 250 to 300 lb/acre for silty clay soils, 175 to 225 lb/acre for alluvial silt loam soils and 125 to 175 lb/acre for loessial silt loam soils. This study indicated that the lb N/bu grain for silty clay, alluvial silt loam and loessial silt loam soils were approximately 2.0, 1.0 and 1.0, respectively. Thus the current recommendations for N rates on corn for silt loam soils are supported by this study; whereas, N rates for corn grown ...

Book Nitrogen Fertilizer Management of Temporarily Waterlogged Soils to Improve Corn Production and Reduce Environmental Nitrogen Loss

Download or read book Nitrogen Fertilizer Management of Temporarily Waterlogged Soils to Improve Corn Production and Reduce Environmental Nitrogen Loss written by Brendan A. Zurweller and published by . This book was released on 2014 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt: Intense precipitation events during the corn growing season on poorly-drained soils in the Midwestern United States can result in yield loss due to abiotic plant stress and nitrogen fertilizer loss associated with flooding. Nitrogen loss from soils also has environmental implications if nitrate reaches surfaces waters or gaseous nitrous oxide emissions occur. The objectives of this study were to determine the effects of soil flooding on enhanced efficiency pre-plant and post-flooding nitrogen fertilizer applications on corn production and soil nitrogen availability/loss. Results of this research show that a 50% reduction in soil nitrate can occur after one day of flooding, and large pulses of nitrous oxide emissions can occur in a short time period when soils are flooded. In the 2012 growing season, slight advantages were observed with the use of enhanced efficiency nitrogen fertilizers and a post-flood nitrogen fertilizer application. A significant loss of corn grain yield was observed after three days of flooding in 2013. These results indicate that saturated soil conditions can have both economic and environmental impacts and there is a need for future research to address both drainage and nitrogen management strategies for possible applications to farmers.

Book The Soil Its Nature Relations and Fundamental Principles of Management

Download or read book The Soil Its Nature Relations and Fundamental Principles of Management written by Franklin Hiram King and published by . This book was released on 1895 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Crop Production and Soil Management

Download or read book Crop Production and Soil Management written by Joseph Frank Cox and published by . This book was released on 1925 with total page 598 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Nitrogen Management and Ground Water Protection

Download or read book Nitrogen Management and Ground Water Protection written by Ronald F Follett and published by Elsevier. This book was released on 2012-12-02 with total page 412 pages. Available in PDF, EPUB and Kindle. Book excerpt: Supplying crops with adequate nitrogen is vital to ensuring food supplies. Once nitrogen is added to the soil, it is subject to chemical transformations of the nitrogen-cycle including transformation to nitrate. Excessive amounts of accumulated nitrate may then leach out of the soil and could potentially enter and contaminate drinking water supplies. The purpose of this book is to examine the subject of nitrogen management and ground water protection.The issue of maintaining ground water quality is addressed primarily from an agronomic point of view. Topics covered include: health and economic aspects of nitrate in drinking water; nitrate sources; ground water nitrate in the USA and other developed countries; transport, leaching and accounting for nitrogen; soil, nitrogen, crop and water management; and nitrate in aquifer systems. The book contains a keyword index and is organized into thirteen chapters, each with appropriate references, tables and figures. Chapter authors are among the leading experts on the subject of nitrate and ground water quality.Readers to whom the book is directed include soil scientists and agronomists, agricultural engineers (irrigation and drainage), environmental scientists, agricultural policy makers, and hydrologists.

Book Building Soils for Better Crops

Download or read book Building Soils for Better Crops written by Fred Magdoff and published by Sare. This book was released on 2009 with total page 294 pages. Available in PDF, EPUB and Kindle. Book excerpt: "'Published by the Sustainable Agriculture Research and Education (SARE) program, with funding from the National Institute of Food and Agriculture, U.S. Department of Agriculture."

Book Nitrogen Management in Crop Production

Download or read book Nitrogen Management in Crop Production written by Nand Kumar Fageria and published by CRC Press. This book was released on 2014-06-25 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 is also responsible for the activation of many enzymes and, of course, plays an important role in photosynthesis. With a recovery efficiency of less than 50 percent in most cropping systems, a large portion of the nitrogen applied as fertilizer is not used by plants, creating environmental and economic issues. Nitrogen Management in Crop Production covers the critical aspects for the judicious use of nitrogen in cropping systems. This includes appropriate methods of nitrogen application, effective source and timing of application during crop growth cycles, use of an adequate application rate to avoid loss and reduce cost, use of nitrogen-efficient crop genotypes, and use of legumes that fix sufficient amounts of atmospheric nitrogen. There is also a chapter on organic matter and its role in sustainability. This book presents recent information from the international literature, making it relevant for most agroecological regions. Chapters provide experimental results to aid in practical application of the information. The book contains color photos of nitrogen deficiency symptoms to serve as a guide for important crop species, such as rice, dry bean, wheat, soybean, and corn. It also includes numerous tables and figures, providing an easy-to-read reference.