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Tall Fescue Mowing Height Effects under Simulated Athletic Field Traffic 高羊茅在模拟运动场交通情况下的割草高度效应
IF 1 4区 农林科学
Horttechnology Pub Date : 2023-12-01 DOI: 10.21273/horttech05219-23
Adam W. Thoms, Tim O. Dalsgaard, Alex J. Lindsey, N. Christians
{"title":"Tall Fescue Mowing Height Effects under Simulated Athletic Field Traffic","authors":"Adam W. Thoms, Tim O. Dalsgaard, Alex J. Lindsey, N. Christians","doi":"10.21273/horttech05219-23","DOIUrl":"https://doi.org/10.21273/horttech05219-23","url":null,"abstract":"Tall fescue (Schedonorus arundinaceus) offers an alternative to kentucky bluegrass (Poa pratensis) for use on athletic fields. Tall fescue has the ability to withstand athletic field traffic, but little is known about the best management practices such as optimal height of cut (HOC). A 2-year study was conducted on established ‘Snap Back’ tall fescue grown over a native soil root zone to determine optimal HOC under simulated athletic field traffic. Plots were maintained at various HOC treatments (1.5, 2, or 3 inches) for the duration of the growing season. Twenty-five simulated traffic events were applied each fall with a modified Baldree traffic simulator. The percentage of green cover (GC) loss per traffic event by HOC varied between years. In 2017, the 1.5-inch HOC improved traffic tolerance (–1.7% GC per event) compared with the other HOC treatments (–2.6% GC per event) in terms of percentage of GC. In 2018, the HOC did not have an impact on traffic tolerance. Differences in traffic tolerance between years could be a result of differences in precipitation (78 mm in 2017, 6 mm in 2018) during the period when traffic occurred, which suggest that the lower HOC performs better under wet conditions compared with the greater HOC. There were no differences among treatments for the safety variables measured (surface hardness, rotational resistance, and soil moisture).","PeriodicalId":13144,"journal":{"name":"Horttechnology","volume":"4 2","pages":""},"PeriodicalIF":1.0,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138625352","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Using Citizen Science to Evaluate Home Gardeners’ Experiences with Compact Tomato Plants 利用公民科学评估家庭园艺师种植紧凑型番茄的经验
IF 1 4区 农林科学
Horttechnology Pub Date : 2023-12-01 DOI: 10.21273/horttech05312-23
Daniela Perez-Lugones, Catherine G. Campbell, Celina Gómez
{"title":"Using Citizen Science to Evaluate Home Gardeners’ Experiences with Compact Tomato Plants","authors":"Daniela Perez-Lugones, Catherine G. Campbell, Celina Gómez","doi":"10.21273/horttech05312-23","DOIUrl":"https://doi.org/10.21273/horttech05312-23","url":null,"abstract":"Understanding preferences and challenges of home gardeners is valuable to the consumer-horticulture industry. Citizen scientists in Florida were recruited to grow compact tomato (Solanum lycopersicum) plants started from seed, as transplants, or as flowering plants in a 16-week experiment. Participants, who had various gardening experience levels, were provided with a kit containing all materials needed to grow plants to maturity. Project engagement was encouraged with monthly online meetings and a social media page. A survey was delivered at the end of the project and completed by 117 participants. The survey aimed to evaluate participants’ preferences, challenges, and experiences with each plant product. Plants started as seed or as flowering plants were equally preferred among participants and were rated higher than transplants. However, participants were least satisfied with the yield, rate of plant growth, fruit taste, and care required to grow plants started from seed. Ninety-one percent of participants said they would be willing to pay more for flowering plants than for transplants. Across plant products, pests and flower/fruit drop were reported as challenges by up to 85% and 18% of participants, respectively. Results from this study highlight the potential of using citizen science to assess gardening experiences and preferences, which can support stakeholders who cater to the consumer-horticulture industry.","PeriodicalId":13144,"journal":{"name":"Horttechnology","volume":" 10","pages":""},"PeriodicalIF":1.0,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138615042","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Homeowners’ Prioritization of Landscape Features Regarding Aesthetic, Environmental, Financial, and Psychological Benefits 业主在美学、环境、经济和心理益处方面对景观特征的优先排序
IF 1 4区 农林科学
Horttechnology Pub Date : 2023-12-01 DOI: 10.21273/horttech05249-23
Melinda Knuth, Xuan Wei, Xumin Zhang, H. Khachatryan
{"title":"Homeowners’ Prioritization of Landscape Features Regarding Aesthetic, Environmental, Financial, and Psychological Benefits","authors":"Melinda Knuth, Xuan Wei, Xumin Zhang, H. Khachatryan","doi":"10.21273/horttech05249-23","DOIUrl":"https://doi.org/10.21273/horttech05249-23","url":null,"abstract":"Maintaining and caring for residential landscapes is a crucial aspect of homeownership in the United States. For homeowners in the United States, residential lawns represent a significant economic investment, signal their social commitments, and reflect their personal characters. To investigate the differences in Florida homeowners’ priorities regarding residential landscape features, an online survey of 1220 homeowners was conducted. Four different groups of homeowners were identified based on their perceived importance of the four landscape features, namely, environmental, financial, aesthetic, and psychological benefits. Factors such as environmental and financial attitudes and social norms influencing homeowners’ decision-making were examined. The findings revealed that homeowners’ knowledge of landscaping practices and environmental attitudes impact their prioritization regarding landscape features.","PeriodicalId":13144,"journal":{"name":"Horttechnology","volume":"54 s188","pages":""},"PeriodicalIF":1.0,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138621810","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Consumer Purchase Likelihood of Landscape Management Pest Scouting Program 消费者购买景观管理害虫侦察计划的可能性
IF 1 4区 农林科学
Horttechnology Pub Date : 2023-12-01 DOI: 10.21273/horttech05268-23
Andrew H. Jeffers, B. Behe, Michael Vassalos, William C. Bridges, Sarah A. White
{"title":"Consumer Purchase Likelihood of Landscape Management Pest Scouting Program","authors":"Andrew H. Jeffers, B. Behe, Michael Vassalos, William C. Bridges, Sarah A. White","doi":"10.21273/horttech05268-23","DOIUrl":"https://doi.org/10.21273/horttech05268-23","url":null,"abstract":"The US landscape industry consists of 632,000 businesses with >1 million persons employed in 2022. The most common service that landscape service providers (LSPs) perform is pest management. Over the past 25 years, LSPs have been challenged to adopt more holistic approaches to pest management via the use of nonchemical and less toxic chemical controls. Integrated pest management (IPM), specifically scouting, may be a useful approach for LSPs to manage pests more sustainably and market new services, such as biological control releases. Scant literature is available on LSP scouting practices or consumer acceptance of scouting services. The goal of this study was to determine if IPM-aware consumers were more likely to purchase a scouting program offered by an LSP. An online survey was distributed across the United States through a third-party panel service. The final sample included 928 usable responses. Data were analyzed using a binary logistic regression model. Fifty-seven percent of respondents reported having some knowledge or were very knowledgeable of IPM. Respondents 65 years of age and older were 13.1% points less likely to purchase a scouting service. Education level did not influence purchase likelihood. Consumer knowledge of IPM had a positive influence on the purchase likelihood, respondents with “some knowledge” (5.6%) and “very knowledgeable” (8.6%) were more likely to buy IPM services. Further, if the consumer was open to purchasing the scouting program, it is plausible that they might be more willing to allow an LSP to use a combination of chemical and nonchemical methods to manage pests.","PeriodicalId":13144,"journal":{"name":"Horttechnology","volume":"56 s67","pages":""},"PeriodicalIF":1.0,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138627630","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Post-Menopausal Quality of Life Claims: Overlooking the Requirements of Normal Science and Fundamental Measurement in ICER'S Cost-Effectiveness Assessment of Fezolinetant for Moderate to Severe Vasomotor Symptoms. 绝经后生活质量声明:在ICER对非唑啉坦治疗中重度血管舒缩症状的成本-效果评估中忽视了常规科学和基础测量的要求。
4区 农林科学
Horttechnology Pub Date : 2023-10-10 eCollection Date: 2023-01-01 DOI: 10.24926/iip.v14i1.5118
Paul C Langley
{"title":"Post-Menopausal Quality of Life Claims: Overlooking the Requirements of Normal Science and Fundamental Measurement in ICER'S Cost-Effectiveness Assessment of Fezolinetant for Moderate to Severe Vasomotor Symptoms.","authors":"Paul C Langley","doi":"10.24926/iip.v14i1.5118","DOIUrl":"10.24926/iip.v14i1.5118","url":null,"abstract":"<p><p>One of the signal failures in health technology assessment is the absence of consideration given, not only to the standards of normal science, but to those of fundamental measurement. A recent evidence report by the Institute for Clinical and Economic Review (ICER) is emblematic of this failure. Based on a simple linear regression model that translates aggregate scores from the ordinal Menopause-specific Quality of Life Questionnaire (MENQOL) to the ordinal EuroQol EQ-5D-5L, ICER has applied these scores to an assumption driven model simulation to produce preferences, QALYs and incremental cost-per-QALY claims for fezolinetant for moderate to severe symptoms associated with menopause. Unfortunately, the attempt to crosswalk multidimensional or multiattribute ordinal scores is mathematically impossible. The 'created' EQ-5D-5L preferences are, as a result, of no interest. The overall result is that the ICER modelled claims for cost-effectiveness fail the required standards for normal science and fundamental measurement. fundamental are impossible. This is unfortunate, although it might be possible to assess certain domains of the MENQOL for their approximation to an interval score with the application of the Rasch Rating Scale Model, this will not support quality of life claims. A preferred approach would be to consider an alternative latent trait for quality of life in menopause, applying Rasch Measurement Theory (RMT), to develop a polytomous instrument that has the required measurement properties. The purpose of this commentary is to point out, as a number of previous commentaries have done, that this framework for creating assumption driven simulated modelled claims has no role in decisions for product assessment, access to formulary and pricing. This commentary expands upon these previous commentaries in placing RMT is the context of a needed paradigm shift to support the evolution of objective knowledge. This is critical if we are to understand, from the individual's perspective, not only an accurate assessment of the burden of menopause but to see this as part of an on-going research program that has to rely on fundamental measurement.</p>","PeriodicalId":13144,"journal":{"name":"Horttechnology","volume":"16 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10686681/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90453602","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
Tall Fescue Seedling Growth as Affected by Postemergence Herbicides 出苗期除草剂对高羊茅幼苗生长的影响
4区 农林科学
Horttechnology Pub Date : 2023-10-01 DOI: 10.21273/horttech05259-23
Dani McFadden, Jack Fry, Steve Keeley, Jared Hoyle, Zane Raudenbush
{"title":"Tall Fescue Seedling Growth as Affected by Postemergence Herbicides","authors":"Dani McFadden, Jack Fry, Steve Keeley, Jared Hoyle, Zane Raudenbush","doi":"10.21273/horttech05259-23","DOIUrl":"https://doi.org/10.21273/horttech05259-23","url":null,"abstract":"The objective of this greenhouse study was to evaluate tall fescue ( Festuca arundinacea ) seedling growth when seeded after herbicide application. Herbicide treatments included a nontreated control; 1.19 lb/acre 2,4-dichlorophenoxyacetic acid (2,4-D) + 0.32 lb/acre methylchlorophenoxypropionic acid (MCPP) + 0.32 lb/acre dicamba; 0.75 lb/acre quinclorac; and 0.06 lb/acre halosulfuron-methyl. Seeding was done at 0, 3, 7, or 14 days after herbicide application to soil media. Two identical experiments were conducted in the greenhouse: Expt. 1 seedling growth from January to March and Expt. 2 from May to July (temperatures higher). Seeding dates after herbicide application did not influence growth. Average dry shoot weight reductions and dry root weight reductions caused by postemergence herbicides were 2,4-D + MCPP + dicamba (33% shoot and 27% root in Expt. 2), quinclorac (30% shoot and 37% root in Expt. 2), and halosulfuron-methyl (51% shoot in Expt. 2; 81% root in Expts. 1 and 2). Although application of these herbicides before seeding in the field may result in no visual impact, they can impact seedling shoot and root growth, particularly under higher growth temperatures.","PeriodicalId":13144,"journal":{"name":"Horttechnology","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135275175","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Reevaluation of the Application Method and Efficacy of Propiconazole in Controlling Laurel Wilt in Avocado Orchards in South Florida 丙环康唑防治南佛罗里达鳄梨月桂枯萎病方法及效果再评价
IF 1 4区 农林科学
Horttechnology Pub Date : 2023-10-01 DOI: 10.21273/horttech05232-23
Mónica Navia-Urrutia, C. A. Sendoya-Corrales, J. Crane, R. Gazis
{"title":"Reevaluation of the Application Method and Efficacy of Propiconazole in Controlling Laurel Wilt in Avocado Orchards in South Florida","authors":"Mónica Navia-Urrutia, C. A. Sendoya-Corrales, J. Crane, R. Gazis","doi":"10.21273/horttech05232-23","DOIUrl":"https://doi.org/10.21273/horttech05232-23","url":null,"abstract":"Propiconazole has fungistatic and fungicidal properties against Harringtonia lauricola, the causal agent of laurel wilt disease. Propiconazole injections are used by Florida, USA, farmers as a prophylactic method to manage the disease in avocado (Persea americana) trees, but its efficacy has remained questionable for more than a decade due to documented restricted mobility within the tree vascular system. This study was conducted to evaluate the absorption of propiconazole when using soil drenching as an alternative application method, assess the efficacy of propiconazole in controlling disease development when drenched or injected, and its synergistic effect on common cultural management practices used by the local farmers, such as branch removal and trunk cutting (“stumping”). To determine if propiconazole soil-drenching can provide better xylem coverage, potted and mature orchard trees were treated with different concentrations and artificially inoculated with the pathogen. Propiconazole translocation from the roots to above-the-ground tissue was confirmed in potted and orchard trees, but the concentrations in orchard trees were below the fungicidal threshold (1 ppm). Although none of the potted trees developed laurel wilt symptoms, all inoculated branches of the orchard trees did. Furthermore, noninoculated branches in more than 80% of the inoculated and propiconazole-treated orchard trees developed symptoms, even though the inoculated branch was cut at the early stages of disease development. To elucidate if propiconazole injections effectively control the disease, trees from a commercial orchard that were injected five times were challenged by artificial inoculation. Propiconazole concentration in trees was highly variable (ranging from < 0.01 to 294 ppm), but even in trees with a high concentration of propiconazole, inoculated and noninoculated branches developed symptoms. Even though drenched and injected trees were “stumped” soon after symptoms appeared in the noninoculated branches (4 to 5 months after inoculation), all of the stumps in the drenched plot and 80% of the injected trees, showed internal symptoms 5 and 4 months after the cut, respectively. Results demonstrate that the soil-drenching of propiconazole is an ineffective application method in orchard trees, and that the conventional injection does not prevent disease development after artificial inoculation. Moreover, because propiconazole does not prevent the movement of the pathogen to the trunk, the “stumping” of infected trees to reduce the disease in the orchard is an inadequate practice. This study highlights the critical need for other active ingredients with lower fungicidal thresholds, longer half-life, and higher xylem mobility.","PeriodicalId":13144,"journal":{"name":"Horttechnology","volume":" ","pages":""},"PeriodicalIF":1.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41690211","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Climate-ready Landscape Plants: Garden Roses Trialed at Reduced Irrigation Frequency in Utah, USA 气候适宜的景观植物:美国犹他州减少灌溉频率的花园玫瑰试验
4区 农林科学
Horttechnology Pub Date : 2023-10-01 DOI: 10.21273/horttech05252-23
Ji-Jhong Chen, Youping Sun, Lorence R. Oki, Jared A. Sisneroz, Karrie Reid, Lloyd L. Nackley, Ryan N. Contreras, Soo-Hyung Kim, Ursula K. Schuch, Darren L. Haver, Miro Stuke, Allison Fron, Kelly Kopp, Scott B. Jones, Lawrence Hipps
{"title":"Climate-ready Landscape Plants: Garden Roses Trialed at Reduced Irrigation Frequency in Utah, USA","authors":"Ji-Jhong Chen, Youping Sun, Lorence R. Oki, Jared A. Sisneroz, Karrie Reid, Lloyd L. Nackley, Ryan N. Contreras, Soo-Hyung Kim, Ursula K. Schuch, Darren L. Haver, Miro Stuke, Allison Fron, Kelly Kopp, Scott B. Jones, Lawrence Hipps","doi":"10.21273/horttech05252-23","DOIUrl":"https://doi.org/10.21273/horttech05252-23","url":null,"abstract":"Increased urban and suburban populations in the arid western United States have resulted in more water demand; however, water availability in the region has become limited because of inadequate precipitation. Recent droughts have led to restrictions on irrigating landscape plants. Garden rose ( Rosa × hybrida ) is commonly used as flowering plants in residential landscapes, but its drought tolerance has not been widely studied. The objective of this study was to determine the impact of reduced irrigation frequency on visual quality, plant growth, and physiology of five garden rose cultivars, including ChewPatout (Oso Easy ® Urban Legend ® ), Meibenbino (Petite Knock Out ® ), MEIRIFTDAY (Oso Easy ® Double Pink), Overedclimb (Cherry Frost™), and Radbeauty (Sitting Pretty™). Twenty-four plants of each rose cultivar were established in a trial plot at Utah Agricultural Experiment Station Greenville Research Farm (North Logan, UT, USA) in Summer 2021. Plants were randomly assigned to one of three deficit irrigation treatments for which irrigation frequencies were calculated using 80% reference evapotranspiration (ET O ) (high), 50% ET O (medium), and 20% ET O (low). The total volumes of irrigation water applied to each plant were 345.6, 172.8, and 43.2 L for the high, medium, and low irrigation frequencies, respectively, during the deficit irrigation trial from 12 May to 30 Sep 2022. Root zones were wetted more frequently as irrigation frequency increased from low to high irrigation frequencies. Decreased irrigation frequency increased the number of visibly wilted and damaged leaves on all rose cultivars. However, only ‘Meibenbino’ and ‘MEIRIFTDAY’ exhibited a reduction in overall appearance under decreased irrigation frequency. The relative growth indices of both ‘Meibenbino’ and ‘MEIRIFTDAY’ decreased by 6%, whereas the dry weights of their leaves decreased by 37% and 36%, respectively, as irrigation decreased from high to low frequencies. Roses in this study appeared to decrease stomatal conductance up to 51% when irrigation decreased from high to low frequencies, or when air temperature increased. ‘Meibenbino’ and ‘MEIRIFTDAY’ exhibited unacceptable overall appearance, growth reduction, and higher leaf–air temperature differences, and they were less tolerant to reduced irrigation. Although the ‘Radbeauty’ maintained plant growth under the reduced irrigation frequency, the large leaf size led to a more visibly wilted appearance and the potential for heat stress, thus impairing visual quality. ‘ChewPatout’ and ‘Overedclimb’ were most tolerant to deficit irrigation at 20% ET O and maintained plant growth with acceptable visual quality and lower leaf temperatures when they received one irrigation during the growing season.","PeriodicalId":13144,"journal":{"name":"Horttechnology","volume":"153 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134934362","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Building Agricultural Knowledge of Soil-biodegradable Plastic Mulch 构建土壤生物降解地膜的农业知识
IF 1 4区 农林科学
Horttechnology Pub Date : 2023-10-01 DOI: 10.21273/horttech05248-23
Srijana Shrestha, L. DeVetter, Carol Miles, Jazmine Mejia-Muñoz, Pam Krone, Mark Bolda, Shuresh Ghimire
{"title":"Building Agricultural Knowledge of Soil-biodegradable Plastic Mulch","authors":"Srijana Shrestha, L. DeVetter, Carol Miles, Jazmine Mejia-Muñoz, Pam Krone, Mark Bolda, Shuresh Ghimire","doi":"10.21273/horttech05248-23","DOIUrl":"https://doi.org/10.21273/horttech05248-23","url":null,"abstract":"The use of polyethylene (PE) mulch causes environmental pollution where incomplete removal leaves fragments susceptible to escape to ecosystems, such as the ocean, where they can cause ecological harm. PE mulch is generally nonrecyclable due to contamination with soil and crop debris after use, leaving growers with few end-of-life options for used PE mulch. Research studies have shown that soil-biodegradable plastic mulch (BDM) is comparable to PE mulch in terms of performance, soil health, and overall economics and is preferred from an environmental perspective, but the adoption of BDM by producers is still low. Previous research has shown that the primary barriers to BDM adoption are insufficient knowledge about BDM, high purchase cost, and unpredictable breakdown of BDM in the soil. The high purchase cost of BDM compared with PE mulch is offset by the costs for PE mulch removal, transport, and disposal fees. This project was conducted to develop BDM training materials, to educate and assess BDM knowledge gained by extension personnel and other agricultural professionals through trainings and webinars, and to educate producers about BDM through hands-on experience. Thirty-six research and extension publication outputs from two previous US Department of Agriculture Specialty Crop Research Initiative BDM projects were reviewed and transcribed into 45 new extension publications that included 11 slide presentations, 5 lecture slides, 10 fact sheets, and 3 videos. All the training materials are posted on a public university website. Professional development trainings were conducted at local, regional, national, and international levels to provide agricultural professionals the current, science-based information on BDM and resources for information. Survey results showed that at a local level, the greatest change of knowledge among participants was observed for “BDM use in organic production” (60%), and the lowest reported change of knowledge was observed for “limitations to PE mulch disposal” (19%). At a regional level, out of 58 participants, 23% to 35% of participants learned “a lot” and 35% to 51% learned “some new information” regarding BDM from the webinar. At the national level, out of 30 participants, 48% responded that they learned “a lot” and another 48% learned “some new information” on BDM from the training. Growers were trained about BDM via field days and on-farm demonstrations where five strawberry (Fragaria ×ananassa) growers volunteered to participate in BDM trials. The participant growers observed no difference in weed control and fruit yield between the PE mulch and the BDM. Growers expressed concerns about slow biodegradation of BDM after soil incorporation, potential impacts on soil biological activity, food safety concerns with BDM fragments and that BDM is not currently permitted for use in organic production.","PeriodicalId":13144,"journal":{"name":"Horttechnology","volume":" ","pages":""},"PeriodicalIF":1.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41614360","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Pine Straw Mulch Depth Modulates Soil Conditions 松木秸秆覆盖深度调节土壤条件
4区 农林科学
Horttechnology Pub Date : 2023-10-01 DOI: 10.21273/horttech05272-23
Damon E. Abdi, Jeb S. Fields, Jeffrey Beasley
{"title":"Pine Straw Mulch Depth Modulates Soil Conditions","authors":"Damon E. Abdi, Jeb S. Fields, Jeffrey Beasley","doi":"10.21273/horttech05272-23","DOIUrl":"https://doi.org/10.21273/horttech05272-23","url":null,"abstract":"Mulching landscape beds is a common task for landscapers seeking to affect soil conditions and reduce weed pressure. This study investigated the effects of three pine ( Pinus sp.) straw mulch depths (5, 10, and 15 cm) on soil moisture/temperature modulation during late winter/spring. No differences in soil volumetric water content were observed; however, increasing mulch depth to ≥10 cm decreased fluctuations in temperature. This research provides a better understanding of the effect of mulch depth and potential environmental benefits so that landscape contractors can determine cost-benefits of mulching applications.","PeriodicalId":13144,"journal":{"name":"Horttechnology","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135275176","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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