Made available in DSpace on 2017-07-10T14:38:19Z (GMT). No. of bitstreams: 1 Daniela Herrmann.pdf: 621996 bytes, checksum: 8bfc3d047c704a58a12b63a71c9d3c9b (MD5) Previous issue date: 2013-08-16 / Swine wastewater (SWW) has high organic load becoming an important source of macro and micronutrients to plants, promoting the improvement of soil quality and development in several tilth. however when done without agronomic and environmental standard, can cause problems in soil, leaching of nutrients, prejudice to water resources and toxicity to plants. The objective of this work, was to evaluate the chemical in soil and leachat regarding association of swine wastewater and mineral fertilization(MF) in farming black oat. Conducted an experiment using applications of SWW associated or not with MF, the treatments consisted of rates 0, 100, 200 and 300 m3ha-1 in the absence or presence MF, under field conditions. Were collected and analysis of soil and leachate in two seasons. It was observed effect associated with the wastewater and mineral fertilization on phosphorus in soil, isolated effect of mineral fertilization on the magnesium, potassium and electrical conductivity in soil and isolated effect of wastewater in the levels of pH, calcium, sodium, copper, zinc, nitrite + nitrate in soil and effect on sodium content in leachate / A água residuária da suinocultura (ARS) possui carga orgânica elevada se tornando fonte importante de macro e micronutrientes às plantas, promovendo a melhoria da qualidade do solo e do desenvolvimento em diversas culturas. Porém quando feita sem critérios agronômicos e ambientais, pode causar problemas no solo, lixiviação de nutrientes, prejuízos aos recursos hídricos e toxicidade às plantas. O objetivo deste trabalho foi avaliar os atributos químicos em solo e lixiviado frente a associação de água residuária da suinocultura e adubação mineral (AM) no cultivo de aveia-preta. Realizou-se um experimento em lisímetros de drenagem usando aplicações de ARS associadas ou não a AM, os tratamentos consistiram em doses de 0, 100, 200 e 300 m3ha-1 com ausência ou presença de AM, em condições de campo. Foram realizadas coletas e análises de solo e lixiviado em duas épocas. Observou-se efeito associado da água residuária e adubação mineral no teor de fósforo no solo, efeito isolado da adubação mineral nos teores de magnésio, potássio e condutividade elétrica no solo e efeito isolado da água residuária nos teores de pH, cálcio, sódio, cobre, zinco, nitrito + nitrato no solo e efeito no teor de sódio no lixiviado

Turfgrass water use (seasonal turfET) and crop coefficients were determined and a mathematical soil-water balance model for non-weighing drainage lysimeters, which simulates the occurrence (timing and amount) of drainage, was developed. Pairs of non-weighing drainage lysimeters were used to determine crop coefficients for turfgrass in four locations in the state of Utah: Logan Golf and Country Club, Murray Golf Course, Brigham Young University (Spanish Fork) Experiment Farm, and Sunbrook Golf Course (St. George). Daily weather data including air temperature, relative humidity, average wind travel, total solar radiation, precipitation, and average soil temperature were collected with an electronic weather station at each site. Daily precipitation was measured in three sites throughout the season: Murray, Spanish Fork, and Sunbrook. At Logan Golf and Country Club, precipitation was measured to November 10,2002. Water use (averages of two lysimeters) during the growing season varied from 684 to 732 mm for three years (2000- 2002) for the mid-April through late-October observation period at Logan Golf Course; 699 mm for May through October at Murray; 469 mm at Spanish Fork; and 896 mm for late-February through early November at Sunbrook, for 2002 growing season. Calculated seasonal Etr using the 82 Kimberly Penman equation with a 1 00-miles-per-day wind travel limit varied from 1166 to 1229 mm at Logan Golf and Country Club, 1067 mm at Murray, 839 mm at Spanish Fork, and 1574 mm at Sunbrook. Seasonal Etr calculated using the PM ASCE std Etr equation was greater than the 82 Kimberly Peru11an . Seasonal Eto calculated using the FAO#56 Eto equation was less than both the 82 Kimberly Penman and the PM ASCE std Etr equations. Calculated crop coefficients (as a ratio of measured crop water use and calculated potential evapotranspiration) based on alfalfa reference evapotranspiration with the 1982 Kimberly-Penman equation averaged 0.58 for the three years at Logan. Seasonal averages varied from 0.57 to 0.60. Seasonal crop coefficients (2002) were 0.57 for Logan, Spanish Fork, and Sunbrook, and 0.65 for Murray. Short-period crop coefficients also varied within a given season. Short-term crop coefficients derived from a time of wetting and drainage experiment averaged 0.55 at Logan, 0.56 at Murray, 0.60 at Spanish Fork, and 0.56 at Sunbrook.

Submitted by (lucia.rodrigues@ufrpe.br) on 2016-09-21T14:17:58Z No. of bitstreams: 1 Francimar da Silva Albuquerque.pdf: 1743671 bytes, checksum: f63f57600c0f8f1d675310036467843e (MD5) / Made available in DSpace on 2016-09-21T14:17:58Z (GMT). No. of bitstreams: 1 Francimar da Silva Albuquerque.pdf: 1743671 bytes, checksum: f63f57600c0f8f1d675310036467843e (MD5) Previous issue date: 2010-12-07 / Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES / Conselho Nacional de Pesquisa e Desenvolvimento Científico e Tecnológico - CNPq / A striking feature of the brazilian cities of medium and large size is that there are areas called "green belt", located on the perimeter urban or peri-urban, where they grow fruits and vegetables that supply the consumer market. Fertigation is of proven effectiveness in increasing productivity and quality of the product and the most efficient use of nutrients, especially as more mobile potassium. The sweet pepper is among the ten most economically important vegetable crops in brazilian market horticulture. Therefore, the objective was to evaluate the effects of irrigation and potassium in a sweet pepper cultivation in the Metropolitan Region of Recife. The experimental design was completely randomized in 5 x 2 factorial, with four replications and five water depths (80, 90, 100, 110 and 120% ETc) and two levels of potassium (80 and 120 kg ha-1 of K2O) applied split according to phenological phase, through a drip irrigation system with pressure compensating emitters installed in a battery of 40 drainage lysimeters cultivated with pepper (Maximos F1) located on the campus of Federal Rural University of Pernambuco (UFRPE), Recife, PE. The phenological cycle lasted 142 days, where measurements were made of plant height and diameter, variable input and estimated leaf area index at the end of the cycle, and the determination of dry biomass allocation, water use efficiency and water content in fruits of sweet pepper. Throughout the cycle proceeded to the measurement of the volumes generated from natural drainage and coming from biweekly water balance in lysimeters, and collection of samples for the concentration of K+ and EC. In general, the variables of growth and yield were influenced by water depths and potassium doses applied. The water use efficiency were influenced by fertigation treatments, the concentration of K+ and EC showed significant linear adjustments in all phases of the cycle, whose mean values were 9.79 mg L-1 and 0.35 dS m-1, respectively, and the application of most blade and the highest dose led to larger losses of K2O, average of 60.10 kg ha-1. / Uma característica marcante nas cidades brasileiras de médio e grande porte é a existência de áreas denominadas “cinturões verdes”, localizadas em seu perímetro urbano ou peri-urbano, onde se cultivam frutas e hortaliças que abastecem o mercado consumidor. A fertirrigação é de comprovada eficácia no aumento da produtividade e da qualidade do produto colhido e na maior eficiência na utilização dos nutrientes, principalmente os mais móveis como o potássio. O pimentão está entre as dez hortaliças de maior importância econômica no mercado hortigranjeiro brasileiro. Sendo assim, objetivou-se avaliar os efeitos de lâminas de irrigação e doses de potássio em um cultivo de pimentão na Região Metropolitana do Recife. O delineamento experimental adotado foi inteiramente casualizado, em esquema fatorial 5 x 2, com quatro repetições, sendo cinco lâminas de irrigação (80, 90, 100, 110 e 120% da ETc) e duas doses de potássio (80 e 120 kg ha-1 de K2O), aplicadas parceladamente de acordo com a fase fenológica, por intermédio de sistema de irrigação por gotejamento, com emissores auto-compensantes, instalado em uma bateria de 40 lisímetros de drenagem cultivados com pimentão (Maximos F1), localizada no campus da Universidade Federal Rural de Pernambuco (UFRPE), Recife, PE. O ciclo fenológico durou 142 dias, onde eram realizas medições de altura de plantas e diâmetro do colo, variáveis de produção e estimativa do índice de área foliar ao final do ciclo, bem como a determinação da alocação de biomassa seca, eficiência do uso da água e umidade nos frutos do pimentão. Durante todo o ciclo procedeu-se à medição dos volumes gerados a partir de drenagem natural e proveniente dos balanços quinzenais de água nos lisímetros, e coleta de amostras para análises da concentração de K+ e CE. De forma geral, as variáveis de crescimento e de rendimento foram influenciadas pelas lâminas de irrigação e doses de potássio aplicadas. A eficiência do uso da água foi influenciada pelos tratamentos de fertirrigação; a concentração de K+ e a CE apresentaram ajustes lineares significativos em todas as fases do ciclo, cujos valores médios foram 9,79 mg L-1 e 0,35 dS m-1, respectivamente, e a aplicação da maior lâmina e da maior dose resultaram em maiores perdas de K2O, em média de 60,10 kg ha-1.