Agricultural & Environmental Letters最新文献

{"title":"Can soil health explain grain quality? A case study of a corn field in Texas","authors":"Kabindra Adhikari,&nbsp;Douglas R. Smith,&nbsp;Chad Hajda,&nbsp;Phillip R. Owens","doi":"10.1002/ael2.20078","DOIUrl":"10.1002/ael2.20078","url":null,"abstract":"<p>Studies show a strong relationship between soil health and crop yield, but those relating soil health and grain quality are limited. We studied the relationship between soil health and grain protein and oil content from a corn (<i>Zea mays</i> L.) field in Texas. Protein and oil content data were collected in the field with a CropScan monitor. Soil health values were measured at 202 locations using the Haney Soil Health Tool. We first mapped protein and oil content using apparent electrical conductivity (ECa) and 14 terrain attributes as predictors, and we then quantified the relationship with data from sample locations. Soil health was positively correlated with protein and oil content, but the relationship was rather weak. Soil health accounted for up to 13% of the variability in protein (<i>p</i> &lt; .001) and between 2 and 17% in oil content (<i>p</i> &lt; .1) depending on soil map unit. Their spatial distribution was mostly influenced by elevation, ECa, and wetness index. We do not recommend estimating grain protein and oil content with the Haney Soil Health Tool; however, we suggest investigating such relationship across different soil and agronomic conditions for further verification.</p>","PeriodicalId":48502,"journal":{"name":"Agricultural & Environmental Letters","volume":"7 1","pages":""},"PeriodicalIF":2.6,"publicationDate":"2022-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://acsess.onlinelibrary.wiley.com/doi/epdf/10.1002/ael2.20078","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44917131","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}

{"title":"Soil health within transitions from irrigation to limited irrigation and dryland management","authors":"Krishna B. Bhandari,&nbsp;Veronica Acosta-Martínez,&nbsp;Lumarie Pérez-Guzmán,&nbsp;Charles P. West","doi":"10.1002/ael2.20077","DOIUrl":"10.1002/ael2.20077","url":null,"abstract":"<p>The decline in groundwater supply in the Texas High Plains is forcing some growers to convert center-pivot irrigated cropland to dryland production. Transitioning toward reduced water input can lead to declines in soil health. We assessed short-term changes in soil health indicators in two transition scenarios: (a) from high irrigation method to low irrigation method (center pivot to subsurface drip) and (b) from high irrigation method to dryland (center pivot to dryland), in comparison to continuous center-pivot management. We monitored changes in chemical and biological indicators in four fields for each transition scenario and in three pivot-irrigated fields. There were declines in soil water content, potassium (K), sodium (Na), and soil organic carbon with transition from irrigation to reduced irrigation and dryland. Severe drought in the final year revealed reduced amounts of multi-enzyme activities, total ester-linked fatty acid methyl ester (EL-FAME), and total fungi. Transitioning to low water-input management in this environment complicates efforts to maintain microbial components of soil health. Longer-term comparisons are needed to detect slow changes in soil health indicators on producers’ fields.</p>","PeriodicalId":48502,"journal":{"name":"Agricultural & Environmental Letters","volume":"7 1","pages":""},"PeriodicalIF":2.6,"publicationDate":"2022-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://acsess.onlinelibrary.wiley.com/doi/epdf/10.1002/ael2.20077","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46874839","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}

{"title":"Quantitative comparison of the storage protein distribution in glandless and glanded cottonseeds","authors":"Zhongqi He,&nbsp;Dunhua Zhang,&nbsp;Christopher P. Mattison","doi":"10.1002/ael2.20076","DOIUrl":"10.1002/ael2.20076","url":null,"abstract":"<p>Glanded (Gd) cottonseed (<i>Gossypium hirsutum</i> L.) contains scattered gossypol glands. Glandless (Gl) cottonseed is a new type of seed containing only trace levels of gossypol. This work quantitatively compared the content and migration pattern of Gd and Gl protein isolates. Both protein samples were subjected to sodium dodecyl sulfate (SDS)-gel electrophoresis, and the protein gel bands were separated into seven partitions for peptide mass spectroscopic analysis. While multiple peptide fragments (isoformers) of vicilin and legumin proteins were present in both samples, the percentage of vicilins in total seed protein was higher in Gd (74.9%) than in Gl (63.4%). In contrast, legumin proteins were more abundant in Gl (30.4%) than Gd (23.6%). Minor protein components such as lipid-related oleosins and vicilin-like antimicrobial peptides 2-2 were also observed at a relatively higher incidence in Gl compared with Gd, potentially reflecting a need for increased protein-related defense capability in the absence of gossypol against natural predators or adverse growth environment.</p>","PeriodicalId":48502,"journal":{"name":"Agricultural & Environmental Letters","volume":"7 1","pages":""},"PeriodicalIF":2.6,"publicationDate":"2022-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://acsess.onlinelibrary.wiley.com/doi/epdf/10.1002/ael2.20076","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49236068","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}

{"title":"Hybrid breeding and cultivar diversity in rice production in China","authors":"Min Huang","doi":"10.1002/ael2.20074","DOIUrl":"10.1002/ael2.20074","url":null,"abstract":"<p>This study determined the effect of hybrid breeding on cultivar diversity in rice (<i>Oryza sativa</i> L.) production in China. The results showed that hybrid breeding led to increases in the Shannon index of cultivar diversity by 29–184% during the period 2011–2015 compared with the period 1986–1990 for 10 major hybrid rice-producing provinces in China. There was a significant exponential relationship between the Shannon index of cultivar diversity and the number of hybrid cultivars and the total number of cultivars across the 10 provinces and the two 5-yr periods. The results of this study also demonstrate that hybrid rice breeding resulted in a cultivar diversity that came close to saturation in some provinces, such as Anhui, Hunan, Jiangxi, and Sichuan, and highlight the urgent need for a reconsideration of the development of hybrid rice industrialization in China to avoid wasting resources caused by overbreeding.</p>","PeriodicalId":48502,"journal":{"name":"Agricultural & Environmental Letters","volume":"7 1","pages":""},"PeriodicalIF":2.6,"publicationDate":"2022-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://acsess.onlinelibrary.wiley.com/doi/epdf/10.1002/ael2.20074","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44067070","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}

{"title":"Thanks to our 2021 reviewers","authors":"","doi":"10.1002/ael2.20072","DOIUrl":"https://doi.org/10.1002/ael2.20072","url":null,"abstract":"&lt;p&gt;Maintaining the editorial standards of a scientific journal is an important responsibility because the publications of a society are one of its major services to its members. This task can only be accomplished with the advice of a large number of colleagues who are invited to review manuscripts. Their critical comments and helpful suggestions have played a major part in making &lt;i&gt;Agricultural &amp; Environmental Letters&lt;/i&gt; a success. The members of the &lt;i&gt;Agricultural &amp; Environmental Letters&lt;/i&gt; Editorial Board express their thanks to all those scientists who reviewed manuscripts in 2021. We extend our apologies and thanks to those reviewers whose names have been inadvertently omitted from this list.&lt;/p&gt;&lt;p&gt;Adeli, Ardeshir, USDA, United States&lt;/p&gt;&lt;p&gt;Akula, Umakanth, ICAR-Indian Institute of Millets Research, Hyderabad, India&lt;/p&gt;&lt;p&gt;Archer, David, USDA-ARS-NGPRL, Mandan, North Dakota, United States&lt;/p&gt;&lt;p&gt;Arzani, Ahmad, Isfahan University of Technology, Isfahan, Islamic Republic of Iran&lt;/p&gt;&lt;p&gt;Barcellos, Diego&lt;/p&gt;&lt;p&gt;Barnes, Ed, Cotton Inc., Cary, North Carolina, United States&lt;/p&gt;&lt;p&gt;Berti, Marisol, North Dakota State University, Fargo, North Dakota, United States&lt;/p&gt;&lt;p&gt;Bir, Courtney, Oklahoma State University System, Stillwater, Oklahoma, United States&lt;/p&gt;&lt;p&gt;Buda, Anthony, USDA-ARS, University Park, Pennsylvania, United States&lt;/p&gt;&lt;p&gt;Chatterjee, Amitava, Oxford, Mississippi, United States&lt;/p&gt;&lt;p&gt;Culman, Steven, Ohio Agricultural Research and Development Center, Wooster, Ohio, United States&lt;/p&gt;&lt;p&gt;Daigh, Aaron, North Dakota State University, Fargo, North Dakota, United States&lt;/p&gt;&lt;p&gt;De Guzman, Christian, University of Arkansas System, Stuttgart, Arkansas, United States&lt;/p&gt;&lt;p&gt;Delhom, Chris, USDA-ARS Mid South Area, United States&lt;/p&gt;&lt;p&gt;Dick, Warren, The Ohio State University, Wooster, Ohio, United States&lt;/p&gt;&lt;p&gt;Dorau, Kristof, Universität zu Köln&lt;/p&gt;&lt;p&gt;Eagle, Alison, Environmental Defense Fund, Raleigh, North Carolina, United States&lt;/p&gt;&lt;p&gt;Feleke, Shiferaw, International Institute of Tropical Agriculture, Dar es Salaam, United Republic of Tanzania&lt;/p&gt;&lt;p&gt;Franzluebbers, Alan, USDA, Raleigh, North Carolina, United States&lt;/p&gt;&lt;p&gt;Ganie, Zahoor&lt;/p&gt;&lt;p&gt;Goos, R., NDSU, Fargo, North Dakota, United States&lt;/p&gt;&lt;p&gt;Govindasamy, Prabhu, Indian Grassland and Fodder Research Institute, Jhansi, India&lt;/p&gt;&lt;p&gt;Graham, Jennifer, US Geological Survey Northeast Region, United States&lt;/p&gt;&lt;p&gt;Grusak, Mike, USDA-ARS Plains Area, Fargo, North Dakota, United States&lt;/p&gt;&lt;p&gt;Guillen-Portal, Fernando, Texas A and M University College Station, College Station, Texas, United States&lt;/p&gt;&lt;p&gt;Haden, Ryan, The Ohio State University, Wooster, Ohio, United States&lt;/p&gt;&lt;p&gt;Hadrich, Joleen, University of Minnesota, St. Paul, Minnesota, United States&lt;/p&gt;&lt;p&gt;Hall, Clifford&lt;/p&gt;&lt;p&gt;He, Zhongqi, USDA-ARS, New Orleans, Louisiana, United States&lt;/p&gt;&lt;p&gt;Houser, Matthew, Indiana University System, Bloomington, Indiana, United States&lt;/p&gt;&lt;p&gt;Huggins, Trevis, USDA-ARS Southeast Area, Stuttgart, Arkansas, United States&lt;/p&gt;&lt;","PeriodicalId":48502,"journal":{"name":"Agricultural & Environmental Letters","volume":"7 1","pages":""},"PeriodicalIF":2.6,"publicationDate":"2022-04-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://acsess.onlinelibrary.wiley.com/doi/epdf/10.1002/ael2.20072","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71985478","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}

{"title":"AEL 2021 Publisher's Report","authors":"","doi":"10.1002/ael2.20071","DOIUrl":"10.1002/ael2.20071","url":null,"abstract":"","PeriodicalId":48502,"journal":{"name":"Agricultural & Environmental Letters","volume":"7 1","pages":""},"PeriodicalIF":2.6,"publicationDate":"2022-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://acsess.onlinelibrary.wiley.com/doi/epdf/10.1002/ael2.20071","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47192277","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}

{"title":"Farmers employ diverse cover crop management strategies to meet soil health goals","authors":"Maria Bowman,&nbsp;Kristin Poley,&nbsp;Elyssa McFarland","doi":"10.1002/ael2.20070","DOIUrl":"10.1002/ael2.20070","url":null,"abstract":"<p>Cover crops (CCs) were used on only ∼5% of harvested cropland in the United States in 2017. Lack of information about effective CC management and the costs and benefits of CCs may contribute to low adoption. We use CC management data from 112 farms in the Soil Health Partnership network (2015–2021) to characterize CC management practices and costs. Soil Health Partnership farmers spent a median of US$98.84 per hectare to plant CCs on trial fields in the 2021 crop year, and costs varied with management practices. Farmers also experimented with CC management practices; more than half of 100 farmers providing panel data used more than one seeding method, and the share “planting green” increased over time. This diversity of CC management practices, heterogeneity in costs (and benefits), and experimentation process—among other factors—may make it challenging for farmers to develop expectations about whether CCs will be profitable on their farm in the short, medium, or long-run.</p>","PeriodicalId":48502,"journal":{"name":"Agricultural & Environmental Letters","volume":"7 1","pages":""},"PeriodicalIF":2.6,"publicationDate":"2022-04-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://acsess.onlinelibrary.wiley.com/doi/epdf/10.1002/ael2.20070","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42480360","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}

{"title":"Combining diffusive gradients in thin-films (DGT) and 31P NMR spectroscopy to determine phosphorus species in soil","authors":"Christian Vogel,&nbsp;Ashlea Doolette,&nbsp;Jianyin Huang","doi":"10.1002/ael2.20068","DOIUrl":"10.1002/ael2.20068","url":null,"abstract":"<p>The diffusive gradients in thin-films (DGT) technique shows in many publications a superior correlation to the amount of plant-available phosphorus (P) in soil. However, this technique cannot give information on the plant-available P species in soil. Therefore, we combined DGT with solution ³¹P nuclear magnetic resonance (NMR) spectroscopy. This was achieved by using a modified DGT device in which the diffusive layer had a larger pore size, the binding layer incorporated an adsorption material with a higher capacity, and the device had a larger exposure area. The spectroscopic investigation was undertaken after elution of the deployed DGT binding layer in a NaOH solution. Adsorption tests using solutions of known organic P compounds showed that a sufficient amount of these compounds could be adsorbed on the binding layer in order for them to be analyzed by solution ³¹P NMR spectroscopy. Furthermore, various intermediates of the hydrolysis of trimetaphosphate in soil could be also analyzed over time.</p><p><b>Core Ideas</b>\u0000 \u0000 </p>","PeriodicalId":48502,"journal":{"name":"Agricultural & Environmental Letters","volume":"7 1","pages":""},"PeriodicalIF":2.6,"publicationDate":"2022-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://acsess.onlinelibrary.wiley.com/doi/epdf/10.1002/ael2.20068","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45141901","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}

{"title":"Measurable microcystin in Ozark streams was rare during summer 2018 baseflow conditions","authors":"Bradley J. Austin,&nbsp;Brian E. Haggard","doi":"10.1002/ael2.20069","DOIUrl":"10.1002/ael2.20069","url":null,"abstract":"<p>Accelerated eutrophication due to human activity has been linked to an increase in the occurrence of cyanobacteria in freshwater systems. The purpose of this study was to document the occurrence of microcystin, a common cyanotoxin, within northwest Arkansas streams. Twenty streams were sampled from May through October 2018, and water and periphyton samples were analyzed for microcystin and chlorophyll-<i>a</i> (CHL-<i>a</i>). Mean microcystin concentrations in water samples were low across sites, ranging from &lt; 0.10 to 0.21 μg L⁻¹. Mean microcystin in the periphyton across sites ranged from 2.6 to 9.9 μg m⁻² and were within values observed in the literature. All microcystin concentrations measured in these Ozark streams were well below the current USEPA recreational guidelines of 8.0 μg L⁻¹ and the drinking water guidelines of 0.3 μg L⁻¹ for infants and 1.6 μg L⁻¹ for adults.</p>","PeriodicalId":48502,"journal":{"name":"Agricultural & Environmental Letters","volume":"7 1","pages":""},"PeriodicalIF":2.6,"publicationDate":"2022-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://acsess.onlinelibrary.wiley.com/doi/epdf/10.1002/ael2.20069","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44724383","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}

{"title":"Soil sampling depth impact on phosphorus yield response prediction in winter wheat","authors":"Vaughn Reed,&nbsp;Bronc Finch,&nbsp;Joao Souza,&nbsp;Patrick Watkins,&nbsp;Brian Arnall","doi":"10.1002/ael2.20067","DOIUrl":"10.1002/ael2.20067","url":null,"abstract":"<p>Nutrient stratification of no-till managed soil can affect soil test analysis levels of plant-available phosphorus (P). Research has suggested sampling to different depths due to soil acidity, but little work has been conducted to investigate any change to sampling recommendations for immobile nutrients. The objective of this study was to determine the soil sampling depth that had the greatest relationship with yield response to fertilizer-P. The depths sampled in this study were 0–5, 0–10, 0–15, 10–30, 5–10, 5–15, 10–15, and 15–30 cm. The results indicated that the top 15 cm of a soil profile had the greatest amount of Mehlich 3 extractable P (M3P) available and that the 5-to-10 and 5-to-15-cm depths had the highest correlation with relative yield. Soil depths outside of the proposed root zone of winter wheat (<i>Triticum aestivum</i> L.) (15–30 cm) had the lowest correlation with yield response.</p>","PeriodicalId":48502,"journal":{"name":"Agricultural & Environmental Letters","volume":"7 1","pages":""},"PeriodicalIF":2.6,"publicationDate":"2022-03-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://acsess.onlinelibrary.wiley.com/doi/epdf/10.1002/ael2.20067","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43700750","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}