Growth analysis of tomato plants 'SM-16' cultivated under different mulchingIn order to evaluate the growth of tomato plants cv. SM-16, grown under different mulching, a trial was carried out at WG Fruticultura, Baraúna, Rio Grande do Norte state, Brazil, between July and November 2008. The experimental design was arranged in splitplots, under completely randomized blocks with four replications. Treatments (plots) were the mulching types: uncovered soil, black polyethylene film, silver polyethylene film, white polyethylene film and black polypropylene TNT, and the splitplots were sampling times: 14, 28, 42, 56, 70, 84 and 98 days after transplanting (DAT). Dry mass accumulation in leaves (AMSF), branches (AMSR), inflorescences (AMSI), fruits (AMSFR) and total (AMST), leaf area index (IAF), leaf area ratio (RAF), specific leaf area (AFE), absolute growth rate (TCA), relative growth rate (TCR) and net assimilation rate (TAL) were determined. The mulching influenced the development of dry matter accumulation in leaves, branches and fruits, and the TNT promoted the highest averages. The fruits behaved as the preferential drain of the plant. The TNT was the mulching that has promoted the highest average for the leaf area index and absolute and relative growth rates. The leaf area ratio, specific leaf area and net assimilation rate were not influenced by cover crops.
Avaliou-se o rendimento de melão amarelo em diferentes tipos de cobertura do solo e métodos de plantio, em experimento na Fazenda Água Branca (FRUNORTE), no município de Carnaubais-RN. O delineamento experimental foi o de blocos casualizados, em esquema de parcelas subdivididas, com quatro repetições. As parcelas foram constituídas pelas coberturas do solo [palha de carnaúba, filme de polietileno preto, filme de polietileno dupla face (prateado e preto) e solo descoberto] e as subparcelas pelos métodos de plantio (semeadura direta e transplante direto com produção de mudas em tubetes de 125 mL, copos plásticos de 180 mL e bandejas de 72 células). As características avaliadas foram peso médio de frutos comerciáveis, número de frutos comerciáveis, produtividade de frutos comerciáveis e não comerciáveis e classificação dos frutos. As coberturas do solo e os métodos de plantio não apresentaram efeito significativo para número, peso médio e produtividade de frutos comerciáveis e não comerciáveis. Em relação ao mercado externo, as coberturas do solo proporcionaram maior concentração de frutos tipos 5 e 6, enquanto que para o mercado interno, registrou-se maior percentagem de frutos dos tipos 5 a 8.
Com o objetivo de identificar genótipos de melão-amarelo, tipo exportação, com alto rendimento, foram avaliados nove genótipos em quatro ambientes no Oeste Potiguar. Os experimentos foram conduzidos no Pólo Agrícola Mossoró-Assu, Estado do Rio Grande do Norte - Brasil. O delineamento experimental foi o de blocos casualizados, com quatro repetições e 16 plantas por parcela. Os genótipos avaliados foram: Rochedo, TSX-32096; PX 4910606, Gold Mine, PX-1010606; Yellow Queen; Gold Pride; Yellow King; AF-646 e AF-682. Os genótipos que apresentaram maior produtividade total, foram Rochedo, TSX-32096, Gold Mine, PX-4010606, Yellow Queen e Gold Pride, com média de 55,1 t/ha, e maior produtividade comercial foram TSX-32096, Rochedo, Gold Mine, PX-4010606 e Gold Pride em Mossoró (40,1 t/ha) e Carnaubais (46,2 t/ha), e os genótipos AF-646, Yellow Queen e AF-682 em Baraúna (63,1 t/ha), ambiente que proporcionou a maior produtividade comercial, superando em 53%, 75% e 166% os ambientes de Carnaubais, Mossoró e Alto do Rodrigues. O peso médio dos frutos foi influenciado pelo ambiente de cultivo, variando de 1,07 kg em Mossoró a 1,64 kg em Baraúna. As maiores concentrações de SS foram observadas nos genótipos AF-646 (11,1%), PX-4910606 (11,0%), Yellow King (10,7%) e TSX-32096 (11,3%).
The objective of this research was to analyze the relationship between burnout and resilience in teachers at a public university in the State of Ceará, Brazil. It is a case study, quantitative, descriptive and explanatory. Data were collected through questionnaires: characterization of respondents, MBI-ED scale and Human Resilience. In the canonical correlation, a low explanatory power was observed between the constructs. The modeling of structural equations indicated that the dimensions self-sufficiency, sense of life, equanimity and perseverance of resilience, presented significant results to act in the protection of some dimensions of Burnout Syndrome.
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