2010
DOI: 10.1590/s1413-70542010000300025
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Viabilidade econômica do uso do calcário na implantação de pomar de goiabeiras

Abstract: RESUMOCom o objetivo de estudar a relação entre doses de calcário e produção de goiabas, um ensaio de campo foi conduzido em solo Latossolo Vermelho distrófico, no município de Bebedouro-SP, no período de 1999 a 2006. O delineamento experimental adotado foi em blocos casualizados com cinco tratamentos e quatro repetições. O calcário foi aplicado uma única vez em 1999, nas doses de: zero; 1,85; 3,71; 5,56 e 7,41 t ha -1 . A produção das goiabeiras aumentou em resposta à aplicação do corretivo de acidez. As prod… Show more

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Cited by 7 publications
(6 citation statements)
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“…Because of the residual effect of limestone, liming materials applied to the soil at the time of planting orchard seedlings can keep the soil within acceptable acidity range for a certain period of time. However, determining the duration and intensity of the residual effect of liming at the moment of planting fruit orchards has not been widely studied, both due to experimental constraints and the time necessary to obtain satisfactory results [11][12][13].…”
Section: Soil Acidity and Limingmentioning
confidence: 99%
See 1 more Smart Citation
“…Because of the residual effect of limestone, liming materials applied to the soil at the time of planting orchard seedlings can keep the soil within acceptable acidity range for a certain period of time. However, determining the duration and intensity of the residual effect of liming at the moment of planting fruit orchards has not been widely studied, both due to experimental constraints and the time necessary to obtain satisfactory results [11][12][13].…”
Section: Soil Acidity and Limingmentioning
confidence: 99%
“…On the one hand, the demand of this group of plants for mineral elements is relatively high, while on the other tropical soils in which they are normally cultivated are low in nutrients, making it imperative to apply nearly all the nutrients necessary for their full development. This leads to the use of high amounts of fertilizers [21,11] and corrective measures [12,13,22] in orchards and requires technical competence for economically rational use of these inputs. For Brazilian conditions, the analyses can be interpreted with the help of the Fert-Goiaba software [23].…”
Section: Considerations On Fruit Growing Areas and Fructiferous Plantsmentioning
confidence: 99%
“…Harvest of dry grains was quantified per each plot's usable area, and the data were adjusted to 13% moisture. The most economical N dose for cowpea grain yield was determined according to RAIJ et al (1991) andNATALE et al (2010), based on the exchange ratio of the input and dry grain production the plant.…”
Section: Data Collected and Analyses Performedmentioning
confidence: 99%
“…According to RAIJ (1991), the law of diminishing returns serves as the basis for defining the most economical dose of an input because, when the value of the increment in production is equal to the cost of the fertilizer, one reaches the level of application above which the use of fertilizer does not translate into economic return, corresponding to the most economical or optimal dose (OLIVEIRA et al 2009, NATALE et al 2010.…”
Section: Introductionmentioning
confidence: 99%
“…The granulometry assumes an important role in the choice of a limestone, since its dissolution depends on its contact with the soil (Gonçalves et al, 2011). The rate of limestone reactivity depends on its granulometry, since the neutralization rate of the acidity is conditioned to the surface area of the corrective in contact to soil (Rodrighero et al, 2015, Natale et al, 2010. There is a consensus that limestone with granulometric fractions above 2.00 mm are ineffective, and granulometry less than 0.3 mm are effective (Quaggio, 2000).…”
Section: Introductionmentioning
confidence: 99%