Strategies To Define And Improve Soil Health In North Central Us Soybean
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| Author | : Lindsay Chamberlain Malone (Ph.D.) |
| Publisher | : |
| Total Pages | : 0 |
| Release | : 2022 |
| Genre | : |
| ISBN | : |
Soil is the foundation for human civilization - it is the literal foundation of our homes, the source of raw materials, a filter and storage system for the water we drink, a medium for plant growth, and a habitat for many organisms. Keeping the soils of our planet healthy to carry out these functions is incredibly important. In agriculture, there is a building movement to study and improve soil health across the landscape, of which this research is a small part. This body of research addresses several areas within soil health; how we define and test for healthy soil, practices that may help build healthier soil, and some of the practical challenges of managing for soil health. We specifically focused on annual row crop systems in the North Central US region, and in particular soybean production. First, we focused on a few practical soil health tests that could be adopted by farmers - linking these measurements to both historical management and soybean yield. This study was a community-science project that relied on the help of Wisconsin soybean farmers to sample their fields and relay management information. The results of this study will help direct future research and identified crop rotation as a key area for soil health improvement. Next, we examined some common production practices related to building soil health and their effects on crop yield using long-term crop rotation studies. We looked at the effects of tillage, crop rotation, and foliar fungicide use on corn and soybean yield, and the legacy effect of the latter two of these treatments on soil fungal populations. Microbial communities carry out critical functions in soil, so it is important to understand how human activity shapes their populations. Finally, another long-term rotation study was used to look at the feasibility and yield effects of establishing cover crops, a key soil health practice, in annual row crop systems in Wisconsin. Overall, this work identifies avenues for both measuring and improving soil health in North Central US soybean.
| Author | : Andy Clark |
| Publisher | : DIANE Publishing |
| Total Pages | : 248 |
| Release | : 2008-07 |
| Genre | : Technology & Engineering |
| ISBN | : 1437903797 |
Cover crops slow erosion, improve soil, smother weeds, enhance nutrient and moisture availability, help control many pests and bring a host of other benefits to your farm. At the same time, they can reduce costs, increase profits and even create new sources of income. You¿ll reap dividends on your cover crop investments for years, since their benefits accumulate over the long term. This book will help you find which ones are right for you. Captures farmer and other research results from the past ten years. The authors verified the info. from the 2nd ed., added new results and updated farmer profiles and research data, and added 2 chap. Includes maps and charts, detailed narratives about individual cover crop species, and chap. about aspects of cover cropping.
| Author | : Charles L. Mohler |
| Publisher | : Natural Resource Agriculture and Engineering Service (Nraes) |
| Total Pages | : 156 |
| Release | : 2009 |
| Genre | : Crop rotation |
| ISBN | : 9781933395210 |
| Author | : Beth K. Gugino |
| Publisher | : |
| Total Pages | : 52 |
| Release | : 2007 |
| Genre | : Soil biology |
| ISBN | : 9780967650746 |
| Author | : Jerry L. Hatfield |
| Publisher | : John Wiley & Sons |
| Total Pages | : 432 |
| Release | : 2020-01-22 |
| Genre | : Technology & Engineering |
| ISBN | : 0891188533 |
Degradation of soils continues at a pace that will eventually create a local, regional, or even global crisis when diminished soil resources collide with increasing climate variation. It's not too late to restore our soils to a more productive state by rediscovering the value of soil management, building on our well-established and ever-expanding scientific understanding of soils. Soil management concepts have been in place since the cultivation of crops, but we need to rediscover the principles that are linked together in effective soil management. This book is unique because of its treatment of soil management based on principles—the physical, chemical, and biological processes and how together they form the foundation for soil management processes that range from tillage to nutrient management. Whether new to soil science or needing a concise reference, readers will benefit from this book's ability to integrate the science of soils with management issues and long-term conservation efforts.
| Author | : United States. Congress. House. Committee on Appropriations. Subcommittee on Agriculture, Rural Development, Food and Drug Administration, and Related Agencies |
| Publisher | : |
| Total Pages | : 1258 |
| Release | : 2005 |
| Genre | : Government publications |
| ISBN | : |
| Author | : Emma Grace Matcham |
| Publisher | : |
| Total Pages | : 0 |
| Release | : 2022 |
| Genre | : |
| ISBN | : |
Regularly evaluating best management practices for soybean is important to maintaining agronomic crop production as the climate and seed varieties change over time. Many phosphorous and potassium fertilizer recommendations in the North Central US are based on the build-maintain framework and were developed in 1970s and 80s and are due to be reevaluated. To estimate the yield-maximizing soil test potassium level (YMK) under current growing conditions, nutrient management records and yield maps from southern WI were analyzed via quadratic quantile regression to estimate both overall YMK and determine if YMK varied across the study space. The overall YMK was 76 ppm, and lower buffer pH and organic matter levels were associated with higher YMK. Some fertilizer recommendations include leaf tissue K concentrations in addition to soil test K levels. Results of a 2021 on-farm trial indicate that the critical K concentration in soybean leaf tissue is 2.04%. The relationship between K soil test results from Bray-1 extraction and Mehlich-3 extraction for silty loam soils was represented by the linear regression line Bray = 0.77 * Mehlich - 0.75. Management decisions that increase soybean yield are region-specific and vary between planting dates, so larger multi-state research projects are valuable for developing best management practices. In a survey study of soybean farmers in ten North Central US states, late-planted fields had higher yields associated with tillage and using both a PRE and POST herbicide application. Early-planted fields had higher yields associated with artificial drainage, insecticide seed treatment, and lower seeding rates. Less variation between sites was observed in a small-plot study of foliar fertilizers across 46 site-years in 16 eastern US states. Foliar fertilizers did not increase soybean yield in the absence of visual symptoms of nutrient deficiency. In multi-state and on-farm research, efficient processing of yield maps represents a research bottleneck. A new R package, cleanRfield, allows for more efficient processing of yield maps. Together, these projects represent ways for multistate and multidisciplinary teams to leverage technology and improve best management practices for soybean production.
| Author | : Anurag Chaurasia |
| Publisher | : Springer Nature |
| Total Pages | : 667 |
| Release | : 2020-11-30 |
| Genre | : Science |
| ISBN | : 303053183X |
This book covers a broad spectrum of topics related to GMOs and allied new gene-based technologies, biodiversity, and ecosystem processes, bringing together the contributions of researchers and regulators from around the world. The aim is to offer a clear view of the benefits and effects of genetically modified crops, insects, and other animals on the soil microbiome and ecological processes. Contributors examine issues related to the development of risk assessment procedures and regulations designed to maximize benefits while minimizing risks. Beyond the scientific challenges of GMOs, the book explores the broad and contentious terrain of ethical considerations. The contributors discuss such questions as the unintended, possibly unforeseen, consequences of releasing GMOs into ecosystems, and the likelihood that the full effects of GMOs could take years, even decades, of close monitoring to become evident. The importance of developing a precautionary approach is stressed. The final chapter describes the critical issues of governance and regulation of new and emerging gene-based technologies, as nations grapple with the consequences of adopting the Cartagena Protocol on Biosafety (CPB). The volume includes an extensive Annex which outlines legal perspectives on the state of GMO governance around the world, with more than 20 examples from nations in Africa, South and Central America, Asia, Australasia, and Europe.
| Author | : Fred Magdoff |
| Publisher | : Sare |
| Total Pages | : 294 |
| Release | : 2009 |
| Genre | : Humus |
| ISBN | : 9781888626131 |
"'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."
| Author | : Damien J. Field |
| Publisher | : Springer |
| Total Pages | : 454 |
| Release | : 2016-11-01 |
| Genre | : Nature |
| ISBN | : 3319433946 |
This book introduces the concept of soil security and its five dimensions: Capability, Capital, Condition, Connectivity and Codification. These five dimensions make it possible to understand soil's role in delivering ecosystem services and to quantify soil resource by measuring, mapping, modeling and managing it. Each dimension refers to a specific aspect: contribution to global challenges (Capability), value of the soil (Capital), current state of the soil (Condition), how people are connected to the soil (Connectivity) and development of good policy (Codification). This book considers soil security as an integral part of meeting the ongoing challenge to maintain human health and secure our planet's sustainability. The concept of soil security helps to achieve the need to maintain and improve the world’s soil for the purpose of producing food, fiber and freshwater, and contributing to energy and climate sustainability. At the same time it helps to maintain biodiversity and protects ecosystem goods and services.
