The LTAR Cropland Common Experiment at Central Mississippi River Basin

IF 2.2 4区 环境科学与生态学 Q3 ENVIRONMENTAL SCIENCES
Lori J. Abendroth, Adam P. Schreiner-McGraw, Curtis J. Ransom, Claire Baffaut, Kenneth A. Sudduth, Kristen S. Veum
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引用次数: 0

Abstract

The Central Mississippi River Basin (CMRB) Common Experiment, with its marginal soils and southern Corn Belt climate, is an ideal location for evaluating progress toward environmental, productivity, and climatic adaptation goals. Sustainable production with conventional row-crop systems is more challenging than in the upper Corn Belt, making evaluation and adoption of alternative farming practices crucial. This Common Experiment has a hydrologically restrictive layer causing reduced plant available water capacity in the root zone. The CMRB site joined the Long-Term Agroecosystem Research network in 2011 with the Cropland Common Experiment established in 2015. The Common Experiment contrasts prevailing and alternative practices at plot and field scale. Improvement of the soil ecosystem is key, as it underpins other objectives, including reduced nutrient losses, increased soil water holding capacity, and yield stability.

Abstract Image

密西西比河流域中部的 LTAR 耕地共同试验。
密西西比河流域中部(CMRB)共同试验拥有贫瘠的土壤和玉米带南部的气候,是评估环境、生产力和气候适应目标进展情况的理想地点。与玉米带上游地区相比,采用传统行作系统进行可持续生产更具挑战性,因此评估和采用替代性耕作方法至关重要。该共同试验具有水文限制层,导致根区植物可用水量减少。CMRB 站点于 2011 年加入长期农业生态系统研究网络,并于 2015 年建立了耕地共同试验。共同试验在小区和田间范围内对比了现行做法和替代做法。土壤生态系统的改善是关键,因为它是其他目标的基础,包括减少养分流失、提高土壤持水能力和产量稳定性。
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来源期刊
Journal of environmental quality
Journal of environmental quality 环境科学-环境科学
CiteScore
4.90
自引率
8.30%
发文量
123
审稿时长
3 months
期刊介绍: Articles in JEQ cover various aspects of anthropogenic impacts on the environment, including agricultural, terrestrial, atmospheric, and aquatic systems, with emphasis on the understanding of underlying processes. To be acceptable for consideration in JEQ, a manuscript must make a significant contribution to the advancement of knowledge or toward a better understanding of existing concepts. The study should define principles of broad applicability, be related to problems over a sizable geographic area, or be of potential interest to a representative number of scientists. Emphasis is given to the understanding of underlying processes rather than to monitoring. Contributions are accepted from all disciplines for consideration by the editorial board. Manuscripts may be volunteered, invited, or coordinated as a special section or symposium.
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