RESPOSTA AGRONÔMICA DO MILHO À ADUBAÇÃO NITROGENADA E POTÁSSICA EM SISTEMA DE PLATIO DIRETO

Produktiwiteit van mielies in die staat van Paraíba onder Nasionale gemiddelde produktiwiteit, is dit kan toegeskryf word aan die lae tegnologiese vlak is in diens geneem deur die meerderheid van produsente, die wat doen nie uit te voer 'n behoorlike bestuur van bevrugting, toe te pas nie ongebalanseerde dosisse, nie voldoen aan die behoeftes van koring. Dus, die huidige doelwitte, werk evalueer die reaksie van die kultuur van koring by verskillende dosisse van stikstof en kalium in 'n LATOLOSSO rooi-geel en in no-tot stelsel. Die huidige eksperiment is uitgevoer in die jaar 2016, die eksperimentele area teetuin-samehorigheid te ervaar die sentrum van Landbouwetenskappe van federale Universiteit van Paraíba, in die Munisipaliteit van Sand-PB. Bevrugting eksperiment was stel volg op 'n eksperimentele ontwerp in lukrake blokke, met 11 behandelings en vyf herhalings. Die behandelings was gerangskik as die Plan Puebla III skikking. Die aanplanting van baster mielies (AG 1051) was uitgevoer handmatig aan die einde van April, gebruik spasiëring tussen rye van 1.0 m en 0.2 m tussen plante, gesaai word tot 'n diepte van 3 tot 4 cm. tot 120 dae Na saai, oes koring mieliestronke handleiding, alle pakkies nuttig. Die STATISTIESE analises is uitgevoer met behulp van die programmatuur weergawe 9.1, SAEG en die ontvouing van interaksies, volgens jou toets betekenis f. groter produktiwiteit van koring (1,326.27 kg ha-1) is verkry deur 'n kombinasie van die 95 dosisse en 64 kg ha -1 van N en K, onderskeidelik. Die beste produktiwiteit van strooi (3,037.49 kg ha-1) op die kombinasie van die grootste dosisse toegedien. Verhoogde dosisse van stikstof en kalium verhoging van die produktiwiteit van graan en strooi produksie bevoordeel.A produtividade do milho no estado da Paraíba é inferior a produtividade média nacional, isso pode ser atribuído ao baixo nível tecnológico empregado pela maioria dos produtores, os quais não realizam um manejo adequado da adubação, aplicando doses desequilibradas, não atendendo as necessidades do milho. Assim sendo, o presente trabalho tem por objetivo, avaliar a reposta da cultura do milho às diferentes doses de nitrogênio e potássio em um LATOLOSSO VERMEHO-AMARELO e em sistema de plantio direto. O presente experimento foi conduzido no ano de 2016, na área experimental Chã-de-Jardim pertencente ao Centro de Ciências Agrárias da Universidade Federal da Paraíba, no município de Areia-PB. O experimento de adubação foi montado seguindo um delineamento experimental em blocos casualizados, com 11 tratamentos e cinco repetições. Os tratamentos foram dispostos conforme a matriz Plan Puebla III. O plantio do milho híbrido (AG 1051) foi realizado manualmente no final do mês de Abril, utilizando-se espaçamento entre fileiras de 1,0 m e 0,2 m entre plantas, sendo semeado a uma profundidade de 3 a 4 cm. Aos 120 dias após a semeadura, realizou-se a colheita manual das espigas de milho, em todas as parcelas úteis. As análises estatísticas foram realizadas utilizando-se o software SAEG versão 9.1, procedendo-se o desdobramento das interações, segundo sua significância pelo teste F. A maior produtividade de milho (1.326,27 kg ha-1) foi obtida na combinação das doses 95 e 64 kg ha-1 de N e K, respectivamente. A melhor produtividade de palha (3.037,49 kg ha-1) obtida na combinação das maiores doses aplicadas. O incremento das doses de nitrogênio e potássio favoreceu o aumento da produtividade dos grãos e produção de palha

Demonstration experiments for solid state physics using a table top mechanical Stirling refrigerator

Liquid free cryogenic devices are acquiring importance in basic science and engineering. But they can also lead to improvements in teaching low temperature an solid state physics to graduate students and specialists. Most of the devices are relatively expensive, but small sized equipment is slowly becoming available. Here, we have designed several simple experiments which can be performed using a small Stirling refrigerator. We discuss the measurement of the critical current and temperature of a bulk YBa2Cu3O(7-d) (YBCO) sample, the observation of the levitation of a magnet over a YBCO disk when cooled below the critical temperature and the observation of a phase transition using ac calorimetry. The equipment can be easily handled by students, and also used to teach the principles of liquid free cooling

Good practices for the prevention of alcohol harmful use amongst the elderly in Europe, the VINTAGE project

Consum d'alcohol; Prevenció; Persones gransConsumo de alcohol; Prevención; Personas mayoresAlcohol drinking; Prevention; AgedIntroduction: There is a lack of information about initiatives aimed at preventing the harm-ful effects of alcohol amongst the elderly. Objectives: One of the objectives of the VINTAGE study was to collect the initiatives carried out in Europe and review the published grey literature about this topic. Methods: Email-based survey addressed to researchers, professionals and policymakers, and internet search of grey literature. Results: Three hundred nine contacts were finally made, and 21 of the 36 collected initiatives were considered as useful in preventing the harmful use of alco-hol amongst the elderly. Out of the about 2900 references identified 96 were classified as relevant. Conclusions: Despite a growing interest, alcohol use in the elderly is not yet perceived as a major issue for prevention.The VINTAGE project Good Health into Older Age is a project funded by the Executive Agency for Health and consumers, under the European commission Second Programme of community Action in the Field of Health 2008-2013 (Grant Agreement no. 20081203

Implementing referral to an electronic alcohol brief advice website in primary healthcare: results from the ODHIN implementation trial

Alcohol screening; Brief intervention; Referral to electronic brief adviceDetección de alcohol; Intervención breve; Remisión a asesoramiento breve electrónicoDetecció d'alcoholèmia; Intervenció breu; Derivació a assessorament breu electrònicObjectives: The objective of the present study was toexplore whether the possibility of offering facilitatedaccess to an alcohol electronic brief intervention (eBI) instead of delivering brief face-to-face advice increasedthe proportion of consulting adults who were screenedand given brief advice. Design: The study was a 12-week implementationstudy. Sixty primary healthcare units (PHCUs) in 5 jurisdictions (Catalonia, England, the Netherlands,Poland and Sweden) were asked to screen adults whoattended the PHCU for risky drinking. Setting: A total of 120 primary healthcare centresfrom 5 jurisdictions in Europe. Participants: 746 individual providers (generalpractitioners, nurses or other professionals)participated in the study. Primary outcome: Change in the proportion ofpatients screened and referred to eBI comparing abaseline 4-week preimplementation period with a12-week implementation period. Results: The possibility of referring patients to the eBIwas not found to be associated with any increase in theproportion of patients screened. However, it wasassociated with an increase in the proportion of screen-positive patients receiving brief advice from 70% to 80% for the screen-positive sample as a whole(p<0.05), mainly driven by a significant increase in briefintervention rates in England from 87% to 96%(p<0.01). The study indicated that staff displayed a lowlevel of engagement in this new technology. Staffcontinued to offer face-to-face advice to a largerproportion of patients (54%) than referral to eBI (38%). In addition, low engagement was seen among thereferred patients; on average, 18% of the patientslogged on to the website with a mean log-on rate acrossthe different countries between 0.58% and 36.95%. Conclusions: Referral to eBI takes nearly as muchtime as brief oral advice and might require moreintroduction and training before staff are comfortablewith referring to eBIThe research leading to these results or outcomes has receivedfunding from the European Union’s Seventh Framework Programme forResearch, Technological Development and Demonstration under grantagreement no. 259268—Optimizing Delivery of Health Care Interventions(ODHIN)

Strategies to reengage patients lost to follow up in HIV care in high income countries, a scoping review

Estudios de cohortes; VIH; Pérdida de seguimientoCohort studies; HIV; Lost to follow-upEstudis de cohorts; VIH; Pèrdua del seguimentBackground Despite remarkable achievements in antiretroviral therapy (ART), losses to follow-up (LTFU) might prevent the long-term success of HIV treatment and might delay the achievement of the 90–90-90 objectives. This scoping review is aimed at the description and analysis of the strategies used in high-income countries to reengage LTFU in HIV care, their implementation and impact. Methods A scoping review was done following Arksey & O′Malley’s methodological framework and recommendations from Joanna Briggs Institute. Peer reviewed articles were searched for in Pubmed, Scopus and Web of Science; and grey literature was searched for in Google and other sources of information. Documents were charted according to the information presented on LTFU, the reengagement procedures used in HIV units in high-income countries, published during the last 15 years. In addition, bibliographies of chosen articles were reviewed for additional articles. Results Twenty-eight documents were finally included, over 80% of them published in the United States later than 2015. Database searches, phone calls and/or mail contacts were the most common strategies used to locate and track LTFU, while motivational interviews and strengths-based techniques were used most often during reengagement visits. Outcomes like tracing activities efficacy, rates of reengagement and viral load reduction were reported as outcome measures. Conclusions This review shows a recent and growing trend in developing and implementing patient reengagement strategies in HIV care. However, most of these strategies have been implemented in the United States and little information is available for other high-income countries. The procedures used to trace and contact LTFU are similar across reviewed studies, but their impact and sustainability are widely different depending on the country studied.The project leading to these results (PISCIS Cohort) has received funding from “la Caixa” Banking Foundation under the project code LCF/PR/PR17/51120008. This work is supported by a grant from the Foundation Marató TV3 (project code 239/C/2018) aimed at the analysis of the LTFU patients of the PISCIS Cohort. The funding bodies played no role in the design of the study and collection, analysis, and interpretation of data and in writing the manuscript

Effect on Health-related Quality of Life of changes in mental health in children and adolescents

<p>Abstract</p> <p>Background</p> <p>The objective of the study was to assess the effect of changes in mental health status on health-related quality of life (HRQOL) in children and adolescents aged 8 - 18 years.</p> <p>Methods</p> <p>A representative sample of Spanish children and adolescents aged 8-18 years completed the self-administered KIDSCREEN-52 questionnaire at baseline and after 3 years. Mental health status was measured using the Strengths and Difficulties Questionnaire (SDQ). Changes on SDQ scores over time were used to classify respondents in one of 3 categories (improved, stable, worsened). Data was also collected on gender, undesirable life events, and family socio-economic status. Changes in HRQOL were evaluated using effect sizes (ES). A multivariate analysis was performed to identify predictors of poor HRQOL at follow-up.</p> <p>Results</p> <p>Response rate at follow-up was 54% (n = 454). HRQOL deteriorated in all groups on most KIDSCREEN dimensions. Respondents who worsened on the SDQ showed the greatest deterioration, particularly on Psychological well-being (ES = -0.81). Factors most strongly associated with a decrease in HRQOL scores were undesirable life events and worsening SDQ score.</p> <p>Conclusions</p> <p>Changes in mental health status affect children and adolescents' HRQOL. Improvements in mental health status protect against poorer HRQOL while a worsening in mental health status is a risk factor for poorer HRQOL.</p

Impact of primary healthcare providers' initial role security and therapeutic commitment on implementing brief interventions in managing risky alcohol consumption: a cluster randomised factorial trial

Brief interventions; Risky drinking; Primary healthcareIntervenciones breves; Bebedores de riesgo; Atención primariaIntervencions breus; Bevedors de risc; Atenció primàriaBackground: Brief interventions in primary healthcare are cost-effective in reducing drinking problems but poorly implemented in routine practice. Although evidence about implementing brief interventions is growing, knowledge is limited with regard to impact of initial role security and therapeutic commitment on brief intervention implementation. Methods: In a cluster randomised factorial trial, 120 primary healthcare units (PHCUs) were randomised to eight groups: care as usual, training and support, financial reimbursement, and the opportunity to refer patients to an internet-based brief intervention (e-BI); paired combinations of these three strategies, and all three strategies combined. To explore the impact of initial role security and therapeutic commitment on implementing brief interventions, we performed multilevel linear regression analyses adapted to the factorial design. Results: Data from 746 providers from 120 PHCUs were included in the analyses. Baseline role security and therapeutic commitment were found not to influence implementation of brief interventions. Furthermore, there were no significant interactions between these characteristics and allocated implementation groups. Conclusions: The extent to which providers changed their brief intervention delivery following experience of different implementation strategies was not determined by their initial attitudes towards alcohol problems. In future research, more attention is needed to unravel the causal relation between practitioners’ attitudes, their actual behaviour and care improvement strategies to enhance implementation science.The research leading to these results or outcomes has received funding from the European Union’s Seventh Framework Programme for research, technological development and demonstration under grant agreement no 259268 – Optimizing delivery of healthcare intervention (ODHIN)

Professional's Attitudes Do Not Influence Screening and Brief Interventions Rates for Hazardous and Harmful Drinkers: Results from ODHIN Study

Detecció d'alcoholèmia; Intervenció breu; Actitud del personal sanitariDetección de alcoholemia; Intervención breve; Actitud del personal sanitarioAlcoholism detection; Brief intervention; Attitude of Health PersonnelAims: To determine the relation between existing levels of alcohol screening and brief interventionrates infive European jurisdictions and role security and therapeutic commitment by the participat-ing primary healthcare professionals. Methods: Health care professionals consisting of, 409 GPs, 282 nurses and 55 other staff including psy-chologists, social workers and nurse aids from 120 primary health care centres participated in a cross-sectional 4-week survey. The participants registered all screening and brief intervention activities aspart of their normal routine. The participants also completed the Shortened Alcohol and Alcohol Pro-blems Perception Questionnaire (SAAPPQ), which measure role security and therapeutic commitment. Results: The only significant but small relationship was found between role security and screeningrate in a multilevel logistic regression analysis adjusted for occupation of the provider, number ofeligible patients and the random effects of jurisdictions and primary health care units (PHCU). Nosignificant relationship was found between role security and brief intervention rate nor betweentherapeutic commitment and screening rate/brief intervention rate. The proportion of patientsscreened varied across jurisdictions between 2 and 10%. Conclusion: Thefindings show that the studied factors (role security and therapeutic commitment)are not of great importance for alcohol screening and BI rates. Given the fact that screening and briefintervention implementation rate has not changed much in the last decade in spite of increased pol-icy emphasis, training initiatives and more research being published, this raises a question aboutwhat else is needed to enhance implementation.Radboud university medical centre received co-funding from The NetherlandsOrganization for Health Research and Development (ZonMW, Prevention Pro-gramme), under Grant Agreement n° 200310017—ODHIN—Optimizing de-livery of healthcare interventions in the Netherlands, according to Art.II.17 ofthe FP7 EC Grant Agreement. Pomeranian Medical University in Szczecin re-ceived co-funding regarding presented research from the Polish sciencefinancialresources in the years 2012–2014 allocated to conduct the international co-funded project ODHIN

A randomised controlled non-inferiority trial of primary care-based facilitated access to an alcohol reduction website (EFAR Spain): the study protocol

Detecció d'alcoholèmia; Intervenció breu; Atenció electrònicaDetección de alcoholemia; Intervención breve; Atención electrónicaAlcoholism detection; Brief intervention; Electronic attentionIntroduction: Early identification (EI) and brief interventions (BIs) for risky drinkers are effective tools in primary care. Lack of time in daily practice has been identified as one of the main barriers to implementation of BI. There is growing evidence that facilitated access by primary healthcare professionals (PHCPs) to a web-based BI can be a time-saving alternative to standard face-to-face BIs, but there is as yet no evidence about the effectiveness of this approach relative to conventional BI. The main aim of this study is to test non-inferiority of facilitation to a web-based BI for risky drinkers delivered by PHCP against face-to-face BI. Method and analysis: A randomised controlled non-inferiority trial comparing both interventions will be performed in primary care health centres in Catalonia, Spain. Unselected adult patients attending participating centres will be given a leaflet inviting them to log on to a website to complete the Alcohol Use Disorders Identification Test (AUDIT-C) alcohol screening questionnaire. Participants with positive results will be requested online to complete a trial module including consent, baseline assessment and randomisation to either face-to-face BI by the practitioner or BI via the alcohol reduction website. Follow-up assessment of risky drinking will be undertaken online at 3 months and 1 year using the full AUDIT and D5-EQD5 scale. Proportions of risky drinkers in each group will be calculated and non-inferiority assessed against a specified margin of 10%. Assuming reduction of 30% of risky drinkers receiving standard intervention, 1000 patients will be required to give 90% power to reject the null hypothesis. Ethics and dissemination: The protocol was approved by the Ethics Commmittee of IDIAP Jordi Gol i Gurina P14/028. The findings of the trial will be disseminated through peer-reviewed journals, national and international conference presentations.This work has been funded by project PI042924 integrated in theNational R+D+I and funded by the Carlos III Health Institute-Deputy GeneralAssessment and the European Regional Development Fund (ERDF)

Impact of recent life events on the health related quality of life of adolescents and youths: the role of gender and life events typologies in a follow-up study

<p>Abstract</p> <p>Background</p> <p>Most studies on the effect of life events (LEs) have been carried out in convenience samples which cannot be considered representative of the general population. In addition, recent studies have observed that gender differences in the health related quality of life (HRQoL) impact of LEs might be lower than believed. We assessed the relationship between LEs and HRQoL in a representative sample of Spanish adolescents/youths, focusing on gender differences.</p> <p>Methods</p> <p>Participants (n = 840) completed the KIDSCREEN-27 to measure HRQoL at baseline and again after 3 years (n = 454). Follow-up assessment included the Coddington Life Events Scales (CLES) to measure LEs experiences in the previous 12 months. Respondents were categorized according to the amount of stress suffered. We calculated both the number of LEs and the Life Change Unit (LCU) score, a summary of the amount of stress inherent to the event and the time elapsed since occurrence. LEs were classified as desirable or undesirable, and family-related or extra-family. Effect sizes were calculated to evaluate changes in HRQoL. To assess the impact of LEs typologies, multiple linear regression models were constructed to evaluate their effect on HRQoL.</p> <p>Results</p> <p>Girls reported a mean 5.7 LEs corresponding to 141 LCUs, and boys 5.3 and 129, respectively. The largest impact of LEs on HRQoL was observed in the group of boys that reported to have lived more stress (third tertil of LCUs distribution). The linear association between LEs and HRQoL tended to be stronger among boys than girls, but the difference was not statistically significant. The effect on HRQoL was deemed important when undesirable events had been experienced. To have an important impact on HRQoL, 200 LCUs due to undesirable events were necessary in boys. In girls, slightly higher scores were necessary for a similar impact.</p> <p>Conclusions</p> <p>A moderate association was found between recent LEs and HRQoL, mainly among those who experienced several undesirable events that correspond to at least 200 LCUs. No gender differences were found in this association. Results may be useful for identifying adolescents with particular health risks, regardless of gender.</p