Doses de N e K aplicados via fertirrigação na cultura da roseira (Rosa sp.) em ambiente protegido.

Casarini, Edivaldo

doi:10.11606/t.11.2004.tde-16122004-163854

Cited by 7 publications

(17 citation statements)

References 30 publications

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“…However, it is noteworthy that there was no significant difference between the tests. These results confirm the experiment conducted by Casarini (2004), who used only clean water and conventional fertilization through a fertigation system, and noticed a reduction in stem diameter with the increasing doses of nitrogen.…”

Section: Resultssupporting

confidence: 91%

“…According to Casarini (2000), stems with diameters equal or greater than 0.60 cm have higher quality and durability after the harvest; thus, increasing its acceptance by the consumer market, and acquiring better prices for the product. Table 7 shows the highest rates of diameters equal or greater than 0.60 cm for the test irrigated with the supply water indicating a slight loss in quality when irrigated with the anaerobic or nitrified effluents.…”

Section: Resultsmentioning

confidence: 99%

“…The start of the irrigation was determined by the crop's water requirements, based on the readings by the tensiometers installed in the central part of each bed at the depths of 0.10 and 0.30 m. Irrigation was initialized at −10 kPa tension, as recommended by Casarini (2004), using 1.3 mm polyethylene drip tubes, providing a flow rate of 1 L h −1 .…”

Section: Methodsmentioning

confidence: 99%

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Application of Reclaimed Wastewater in the Irrigation of Rosebushes

Marinho

Tonetti

Stefanutti

et al. 2013

Water Air Soil Pollut

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The use of reclaimed wastewater in agriculture can be a solution for regions with water shortages or low rainfall periods; besides fulfilling the crop's water needs, it would also promote the recycle of nutrients. However, care should be taken regarding soil salinization, especially in closed environments such as greenhouses for the cultivation of ornamental plants. The domestic effluents are rich in sodium which can accumulate on soil and cause soil sealing. This study evaluated the use of effluents from anaerobic filters and intermittent sand filters in the production of rosebushes (Rosa hybrida “Ambiance”). The crop yield of the rosebushes irrigated with reclaimed wastewater exceeded the one obtained with traditional cultivation, reaching a value 31.8 % higher when employing nitrified effluent originated from intermittent sand filters, with no difference in the product quality. The salinity levels are below the critical limits found in the literature; however, there was a significant increase compared to the irrigation with drinking water.

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Section: Resultssupporting

confidence: 91%

Section: Resultsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

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Application of Reclaimed Wastewater in the Irrigation of Rosebushes

Marinho

Tonetti

Stefanutti

et al. 2013

Water Air Soil Pollut

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“…Entretanto, para as culturas desenvolvidas sob ambiente protegido, a pesquisa está defasada em relação a outros países, principalmente no setor de floricultura (CASARINI, 2000).…”

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Consumo de água pela cultura do crisântemo cultivada em ambiente protegido

Pereira¹,

Carvalho²,

Miguel³

et al. 2005

Eng. Agríc.

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RESUMO:Com o objetivo de determinar o consumo de água pela cultura do crisântemo, ao longo do seu ciclo de desenvolvimento, conduziu-se um experimento em ambiente protegido, na Universidade Federal de Lavras -MG, com as cultivares Kátia e Bi Time. O delineamento experimental foi o inteiramente casualizado, em esquema fatorial, com duas cultivares e duas freqüências de irrigação, com oito repetições, sendo o manejo da irrigação feito utilizando-se do método da pesagem. O consumo de água entre irrigações foi obtido pela pesagem dos vasos. Instalou-se na área experimental um tanque Classe A, para obter a evaporação e posterior correlação com o consumo hídrico das cultivares. Verificou-se que não houve diferença significativa do consumo quando as cultivares foram irrigadas uma e duas vezes ao dia. Observou-se que as cultivares possuem consumo diferenciado segundo seus estádios de desenvolvimento. O consumo médio de água, ao longo do ciclo, para a freqüência de irrigação de uma e duas vezes ao dia, da cultivar Kátia, foi de 118 e 108 mL dia -1 , e da cultivar Bi Time, foi de 98 e 113 mL dia -1 , respectivamente. PALAVRAS-CHAVE:manejo da irrigação, necessidade hídrica, Dendranthema grandiflora. WATER REQUIREMENT BY CHRYSANTHEMUM CULTIVATED UNDER GREENHOUSE CONDITIONSABSTRACT: With the objective of determining the chrysanthemum water consumption, an experiment was carried out at the Universidade Federal de Lavras, MG, Brazil, under greenhouse condition, with two chrysanthemums cultivars, Kátia and Bi Time. A completely randomized experimental design in a factorial outline, with eight replications, two cultivars and two irrigation frequencies were used. Irrigation scheduling was based on pot plant weight. The water consumption between irrigations was obtained by weighting the pot. A class A tank, was used to obtain the evaporation and subsequent correlation with the crop water consumption. It was verified that there was not significant difference of water requirement when the cultivars were irrigated once and twice day. It was observed that the cultivars presented differentiated water requirement according to the development stage. Along the cycle, the average water consumption, for once and twice day irrigation, for cultivar Kátia was 118 and 108 mL day -1 and for the cultivar Bi Time was 98 and 113 mL day -1 , respectively.

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“…Em rosas, as concentrações de nutrientes aplicados, atualmente, são determinadas de forma empírica sem levar em consideração a exigência fisiológica da planta, e sem nenhum tipo de manejo (CASARINI, 2004 A roseira é uma planta arbustiva, perene, com hábito de crescimento ereto, caule lenhoso e normalmente espinhoso. As folhas são alternas com estípulas, de margem serrilhada e compostas de três a cinco folíolos.…”

Section: Introductionunclassified

Nutrição e produção de rosas de corte, cultivares "Vegas" e "Tineke"

Dutra¹

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Doses de N e K aplicados via fertirrigação na cultura da roseira (Rosa sp.) em ambiente protegido.

Cited by 7 publications

References 30 publications

Application of Reclaimed Wastewater in the Irrigation of Rosebushes

Application of Reclaimed Wastewater in the Irrigation of Rosebushes

Consumo de água pela cultura do crisântemo cultivada em ambiente protegido

Nutrição e produção de rosas de corte, cultivares "Vegas" e "Tineke"

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