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Response of black cumin to vermicompost and nitrogen fertilizer 黑孜然对蚯蚓堆肥和氮肥的反应
IF 2.6 4区 农林科学
Agricultural & Environmental Letters Pub Date : 2022-01-30 DOI: 10.1002/ael2.20066
Fikadu-Lebeta Wako, Mosisa-Chewaka Aga, Geremew-Taye Negeri
{"title":"Response of black cumin to vermicompost and nitrogen fertilizer","authors":"Fikadu-Lebeta Wako,&nbsp;Mosisa-Chewaka Aga,&nbsp;Geremew-Taye Negeri","doi":"10.1002/ael2.20066","DOIUrl":"10.1002/ael2.20066","url":null,"abstract":"<p>An experiment was conducted to evaluate the response of black cumin (<i>Nigella sativa</i> L.) to vermicompost and nitrogen (N) fertilizer rates. Four rates of vermicompost and four rates of N were laid out in a randomized complete block design with three replications. The results showed that the interaction effects of nitrogen fertilizer and vermicompost rates significantly influenced black cumin growth, yield, and yield component parameters. The maximum seed yield (1,090 kg ha<sup>–1</sup>) was obtained from the combined application of 5 Mg ha<sup>–1</sup> vermicompost and 60 kg ha<sup>–1</sup> urea-N. Therefore, it can be concluded that the combination of these treatments gives a better yield and yield components of black cumin in the study area.</p>","PeriodicalId":48502,"journal":{"name":"Agricultural & Environmental Letters","volume":null,"pages":null},"PeriodicalIF":2.6,"publicationDate":"2022-01-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://acsess.onlinelibrary.wiley.com/doi/epdf/10.1002/ael2.20066","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47122131","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Comparison of methods to recover amaranth weed seeds from manure 从粪便中回收苋菜杂草种子的方法比较
IF 2.6 4区 农林科学
Agricultural & Environmental Letters Pub Date : 2022-01-30 DOI: 10.1002/ael2.20065
Melissa L. Wilson, Anthony Brusa, Hatley Christensen, Samuel Strack, Eddie Alto, Luis F. Allen, Scott D. Cortus, Chryseis Modderman, Roger L. Becker
{"title":"Comparison of methods to recover amaranth weed seeds from manure","authors":"Melissa L. Wilson,&nbsp;Anthony Brusa,&nbsp;Hatley Christensen,&nbsp;Samuel Strack,&nbsp;Eddie Alto,&nbsp;Luis F. Allen,&nbsp;Scott D. Cortus,&nbsp;Chryseis Modderman,&nbsp;Roger L. Becker","doi":"10.1002/ael2.20065","DOIUrl":"10.1002/ael2.20065","url":null,"abstract":"<p>One pathway by which Palmer amaranth (<i>Amaranthus palmeri</i> S. Watson) invades new areas is through importation of contaminated livestock feed, which then contaminates land-applied manure. If contaminated feed is suspected, detection tools are needed to test manure, but traditional methods are time consuming and often inconclusive. Although new genetic seed testing is making detection easier, methods to separate seed from contaminated manure are needed. Six methods were compared for their ability to recover 100 Palmer amaranth seeds added to bedded or nonbedded cattle manure: dry sieving, rinse sieving, manure saturation sieving without blending and with blending, and dispersion sieving without blending and with blending. Seed recovery was highest (&gt;90%) with the rinse sieving method regardless of manure type. The dispersion methods are not recommended as they recovered &lt;24.7% of seeds. Following each method, genetic testing successfully identified Palmer amaranth presence, indicating no interference of recovery method with DNA extraction.</p>","PeriodicalId":48502,"journal":{"name":"Agricultural & Environmental Letters","volume":null,"pages":null},"PeriodicalIF":2.6,"publicationDate":"2022-01-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://acsess.onlinelibrary.wiley.com/doi/epdf/10.1002/ael2.20065","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47508362","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Wheat nitrogen response conditional on past yield and rainfall: A step in improving optimal nitrogen applications 小麦对过去产量和降雨量的氮反应：提高最佳氮施用的一步
IF 2.6 4区 农林科学
Agricultural & Environmental Letters Pub Date : 2022-01-22 DOI: 10.1002/ael2.20061
Brian E. Mills, B. Wade Brorsen, Emilio Tostão, Jon T. Biermacher
{"title":"Wheat nitrogen response conditional on past yield and rainfall: A step in improving optimal nitrogen applications","authors":"Brian E. Mills,&nbsp;B. Wade Brorsen,&nbsp;Emilio Tostão,&nbsp;Jon T. Biermacher","doi":"10.1002/ael2.20061","DOIUrl":"10.1002/ael2.20061","url":null,"abstract":"<p>Making precision nitrogen (N) application clearly profitable will likely require incorporating multiple sources of information. Low-cost sources of information include rainfall and the previous year's yield. This paper uses data from a long-term experiment on the response of winter wheat (<i>Triticum aestivum</i> L.) to N fertilizer, as well as rainfall data from the University of Oklahoma's Mesonet weather station. The goal was to determine optimal topdress levels of N. A regression was used to determine the previous year's yield and rainfall on the marginal product of farmer-applied N. Information from lagged yield and rainfall increases profit by $2.79 ha<sup>–1</sup>. Therefore, lagged yield and rainfall could be a low-cost information source to add to other sources of information to achieve the goal of widespread adoption of precision N application.</p>","PeriodicalId":48502,"journal":{"name":"Agricultural & Environmental Letters","volume":null,"pages":null},"PeriodicalIF":2.6,"publicationDate":"2022-01-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://acsess.onlinelibrary.wiley.com/doi/epdf/10.1002/ael2.20061","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47323749","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Zeolite amended bioretention media improves nitrogen removal from stormwater 沸石改性生物保留介质提高了雨水中氮的去除效果
IF 2.6 4区 农林科学
Agricultural & Environmental Letters Pub Date : 2022-01-10 DOI: 10.1002/ael2.20060
Lillie C. Sweeney, Thorsten Knappenberger, Eve F. Brantley, Joey N. Shaw
{"title":"Zeolite amended bioretention media improves nitrogen removal from stormwater","authors":"Lillie C. Sweeney,&nbsp;Thorsten Knappenberger,&nbsp;Eve F. Brantley,&nbsp;Joey N. Shaw","doi":"10.1002/ael2.20060","DOIUrl":"10.1002/ael2.20060","url":null,"abstract":"<p>Bioretention cells alleviate stormwater toxicity by permeation through soil media. Amending bioretention materials may result in increased chemical pollutant removal while maintaining hydraulic properties. Zeolite was tested in bioretention media for zinc, copper, phosphorus, ammonium, and nitrate removal from synthetic stormwater in a column study. Ecolite did not improve metal or phosphorus removal; however, significantly lower effluent concentrations of ammonium (<i>p</i> &lt; .001) and nitrate (<i>p</i> = .014) were measured compared with the standard media. The standard media averaged a 70% reduction in ammonium concentration, while mixtures containing 10 and 20% Ecolite per volume averaged 86 and 87% reduction, respectively. All media leached higher nitrate concentrations than the influent stormwater. Ecolite significantly increased the saturated hydraulic conductivity by up to 55% (<i>p</i> &lt; .001). The inclusion of Ecolite in bioretention cells may be practical in areas with nitrogen-impaired watersheds.</p>","PeriodicalId":48502,"journal":{"name":"Agricultural & Environmental Letters","volume":null,"pages":null},"PeriodicalIF":2.6,"publicationDate":"2022-01-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://acsess.onlinelibrary.wiley.com/doi/epdf/10.1002/ael2.20060","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47041437","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Development of a soil test correlation and calibration database for the USA 为美国开发土壤测试相关和校准数据库
IF 2.6 4区 农林科学
Agricultural & Environmental Letters Pub Date : 2021-12-14 DOI: 10.1002/ael2.20058
Sarah E. Lyons, Dan K. Arthur, Nathan A. Slaton, Austin W. Pearce, John T. Spargo, Deanna L. Osmond, Peter J. A. Kleinman
{"title":"Development of a soil test correlation and calibration database for the USA","authors":"Sarah E. Lyons,&nbsp;Dan K. Arthur,&nbsp;Nathan A. Slaton,&nbsp;Austin W. Pearce,&nbsp;John T. Spargo,&nbsp;Deanna L. Osmond,&nbsp;Peter J. A. Kleinman","doi":"10.1002/ael2.20058","DOIUrl":"10.1002/ael2.20058","url":null,"abstract":"<p>As part of the Fertilizer Recommendation Support Tool (FRST) project, the FRST database was developed to consolidate and preserve U.S. soil test correlation and calibration data. Legacy phosphorus (P) and potassium (K) soil test data that met a minimum requirement were included in the database. The FRST database initially included over 1,200 individual trials from a range of years, cropping systems, geographic regions, and management practices. The FRST database is being migrated from a Microsoft Excel spreadsheet to a relational database format housed within the USDA-ARS Agricultural Collaborative Research Outcomes System (AgCROS) to be accessed via the online FRST decision support tool. Data will be continually added to the FRST database through an online submission form following peer review by the FRST team. The FRST database and associated decision support tool will aid researchers, extension associates, consultants, and farmers in improving fertilizer recommendations for crops across the United States.</p>","PeriodicalId":48502,"journal":{"name":"Agricultural & Environmental Letters","volume":null,"pages":null},"PeriodicalIF":2.6,"publicationDate":"2021-12-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://acsess.onlinelibrary.wiley.com/doi/epdf/10.1002/ael2.20058","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43262551","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Agricultural extension and advisory services strategies during COVID-19 lockdown 2019冠状病毒病封锁期间的农业推广和咨询服务战略
IF 2.6 4区 农林科学
Agricultural & Environmental Letters Pub Date : 2021-10-22 DOI: 10.1002/ael2.20056
Anthony Baffoe-Bonnie, David Tanner Martin, Frank Mrema
{"title":"Agricultural extension and advisory services strategies during COVID-19 lockdown","authors":"Anthony Baffoe-Bonnie,&nbsp;David Tanner Martin,&nbsp;Frank Mrema","doi":"10.1002/ael2.20056","DOIUrl":"10.1002/ael2.20056","url":null,"abstract":"<p>The COVID-19 lockdown policies that began in 2020 caused an unprecedented shock to developing countries’ agricultural activities, especially those in sub-Saharan Africa and South Asia. To reduce some of the impacts of COVID-19 events, agricultural extension and advisory personnel created an avenue to assist farmers in these developing countries. However, since COVID-19 protocols restricted public gatherings and close contact activities, agricultural extension activities had to be performed using unconventional ways such as mobile phones, radio, and television. This paper highlights some of the challenges agricultural extension and advisory service personnel encountered using these unconventional means of communication for their activities. We also present some solutions to these challenges that can enable policymakers to enhance agricultural extension activities performed unconventionally.</p>","PeriodicalId":48502,"journal":{"name":"Agricultural & Environmental Letters","volume":null,"pages":null},"PeriodicalIF":2.6,"publicationDate":"2021-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://acsess.onlinelibrary.wiley.com/doi/epdf/10.1002/ael2.20056","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43126673","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
The Partnerships for Data Innovations (PDI): Facilitating data stewardship and catalyzing research engagement in the digital age 数据创新伙伴关系(PDI):促进数字时代的数据管理和促进研究参与
IF 2.6 4区 农林科学
Agricultural & Environmental Letters Pub Date : 2021-10-07 DOI: 10.1002/ael2.20055
R. Daren Harmel, Peter Kleinman, Marlen Eve, James A. Ippolito, Sarah Beebout, Jorge Delgado, Bruce Vandenberg, Mike Buser
{"title":"The Partnerships for Data Innovations (PDI): Facilitating data stewardship and catalyzing research engagement in the digital age","authors":"R. Daren Harmel,&nbsp;Peter Kleinman,&nbsp;Marlen Eve,&nbsp;James A. Ippolito,&nbsp;Sarah Beebout,&nbsp;Jorge Delgado,&nbsp;Bruce Vandenberg,&nbsp;Mike Buser","doi":"10.1002/ael2.20055","DOIUrl":"10.1002/ael2.20055","url":null,"abstract":"<p>For agricultural research to seize the potential of data-driven technologies, profound changes are needed in the full spectrum of data management, highlighted by a shift of researchers, institutions, and agencies toward a culture of data stewardship. The USDA-ARS established the Partnerships for Data Innovations (PDI) in 2019 to achieve this transformation from within. From the onset, PDI has integrated its customer–partners in developing and implementing state-of-the-art digital tools, leveraging off-the-shelf technologies when advantageous. In its short life, PDI has transformed more than 100 projects, from projects catalyzing collaborative efforts and underpinning information management to those salvaging end-of-life data repositories. Empowered by this active inclusive partnership and through sharing digital solutions on a “Digital Research Workbench” within the ARS Agricultural Collaborative Research Outcomes System infrastructure, PDI hopes to accelerate agricultural research through standardization, automation, and integration and to help usher in a culture of digital age data stewardship.</p>","PeriodicalId":48502,"journal":{"name":"Agricultural & Environmental Letters","volume":null,"pages":null},"PeriodicalIF":2.6,"publicationDate":"2021-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://acsess.onlinelibrary.wiley.com/doi/epdf/10.1002/ael2.20055","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43141679","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Laboratory and greenhouse evaluation of four iron fertilizer sources 四种铁肥源的实验室和温室评价
IF 2.6 4区 农林科学
Agricultural & Environmental Letters Pub Date : 2021-10-05 DOI: 10.1002/ael2.20052
R. Jay Goos
{"title":"Laboratory and greenhouse evaluation of four iron fertilizer sources","authors":"R. Jay Goos","doi":"10.1002/ael2.20052","DOIUrl":"10.1002/ael2.20052","url":null,"abstract":"<p>A relatively new iron fertilizer in the United States is FeHBED [Fe-N,N′-bis(2-hydroxybenzyl)ethylenediamine-N,N′-diacetate], a chelate with a stability constant for ferric iron greater than FeEDDHA [Fe-ethylenediamine-N,N′-bis(o-hydroxyphenylacetate]. This study compared response of soybean [<i>Glycine max</i> (L.) Merr.] over two greenhouse cropping periods to FeHBED, FeEDDHA-1 (∼80% ortho-ortho isomer), FeEDDHA-2 (∼50% ortho-ortho isomer), and FeEDDHSA [Fe-ethylenediamine-N,N-di([2-hydroxy 5-sulfophenyl])acetate]. FeHBED and FeEDDHA-1 gave positive responses to all measured parameters (chlorophyll level, dry matter production, Fe uptake) that were not significantly different (.05 level) from each other for the two cropping periods. The two products were similar in performance. FeEDDHA-2 and FeEDDHSA generally gave lesser responses than FeHBED or FeEDDHA-1. The relative effectiveness of the four materials to increase dry matter or Fe uptake was predicted by a simple laboratory test, which measures the proportion of applied Fe remaining soluble after a 1-wk incubation with soil.</p>","PeriodicalId":48502,"journal":{"name":"Agricultural & Environmental Letters","volume":null,"pages":null},"PeriodicalIF":2.6,"publicationDate":"2021-10-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://acsess.onlinelibrary.wiley.com/doi/epdf/10.1002/ael2.20052","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46432779","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Agricultural Conservation Planning Framework: Opportunities and challenges in the eastern United States 农业保护规划框架:美国东部的机遇与挑战
IF 2.6 4区 农林科学
Agricultural & Environmental Letters Pub Date : 2021-09-14 DOI: 10.1002/ael2.20054
Jonathan M. Duncan, Zachary Respess, William Ryan, Robert Austin, Matthew Royer, Deanna Osmond, Peter Kleinman
{"title":"The Agricultural Conservation Planning Framework: Opportunities and challenges in the eastern United States","authors":"Jonathan M. Duncan,&nbsp;Zachary Respess,&nbsp;William Ryan,&nbsp;Robert Austin,&nbsp;Matthew Royer,&nbsp;Deanna Osmond,&nbsp;Peter Kleinman","doi":"10.1002/ael2.20054","DOIUrl":"10.1002/ael2.20054","url":null,"abstract":"<p>The Agriculture Conservation Planning Framework (ACPF) applies high-spatial resolution soils and topographic data, now available for many areas of the United States, to precisely locate opportunities for the placement of conservation practices in agricultural watersheds. Application of the ACPF, developed in midwestern landscapes, to watersheds in the eastern United States represents both opportunity and challenge to conservation planning. Based on experience in applying ACPF to eight watersheds in the eastern United States, from Vermont to North Carolina, we assess the toolbox's application in the eastern United States through the lens of strengths, weaknesses, opportunities, and threats (SWOT) analysis framework. We see a great future for the ACPF, but its adoption and utility require interaction with scientists and conservation planners familiar with the region to avoid misapplication and ensure appropriate adaptation and interpretation.</p>","PeriodicalId":48502,"journal":{"name":"Agricultural & Environmental Letters","volume":null,"pages":null},"PeriodicalIF":2.6,"publicationDate":"2021-09-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1002/ael2.20054","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45862324","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Benefits of alfalfa interseeding include reduced residual soil nitrate following corn production 苜蓿间种的好处包括减少玉米生产后残留的土壤硝酸盐
IF 2.6 4区 农林科学
Agricultural & Environmental Letters Pub Date : 2021-09-08 DOI: 10.1002/ael2.20053
William Osterholz, Matthew D. Ruark, Mark Renz, John H. Grabber
{"title":"Benefits of alfalfa interseeding include reduced residual soil nitrate following corn production","authors":"William Osterholz,&nbsp;Matthew D. Ruark,&nbsp;Mark Renz,&nbsp;John H. Grabber","doi":"10.1002/ael2.20053","DOIUrl":"10.1002/ael2.20053","url":null,"abstract":"<p>Interseeding alfalfa (<i>Medicago sativa</i> L.) into corn (<i>Zea mays</i> L.) silage can increase forage production, but the effects on soil nitrate pools remain unknown. We compared soil nitrate pools during and after interseeded alfalfa establishment in corn with pools during production of solo-seeded corn followed by spring-seeded alfalfa. Nitrogen (N) fertilizer was applied at three rates as a preplant broadcast or a 50:50 split between preplant broadcast and banded sidedress applications. During corn growth, soil nitrate levels from 0 to 30 cm were increased by higher N rates but were usually similar for both production systems. However, growth of interseeded alfalfa after corn harvest resulted in substantially lower residual fall and spring soil nitrate levels to a 90 cm depth, particularly under the highest N rate. Additionally, interseeded alfalfa influenced spring nitrate stratification by reducing nitrate in deeper horizons and increasing nitrate in the surface horizon. Interseeded alfalfa can thereby reduce the risk of nitrate leaching.</p>","PeriodicalId":48502,"journal":{"name":"Agricultural & Environmental Letters","volume":null,"pages":null},"PeriodicalIF":2.6,"publicationDate":"2021-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1002/ael2.20053","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48439265","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
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