AVALIAÇÃO DO DESENVOLVIMENTO VEGETATIVO DAS ESPÉCIES DE GIRASSOL (Helianthus annus) E FEIJÃO-DE-PORCO (Canavalia ensiformis) CULTIVADAS EM SOLO DE PASSIVO AMBIENTAL

Eliane Baptista Barbosa, Daniela Aparecida Barbosa, Isabela Marega Rigolin Fuzeto, Milena Cristina Ferreira Sanchez
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引用次数: 0

Abstract

The proper disposal of solid waste is considered a challenge to many Brazilian municipalities that still dispose of their waste in controlled landfills and dumps, major causes of environmental liabilities. As the soil is one of the environmental components most affected by this practice, the objective of this work is to evaluate the vegetative development of sunflower and jack bean cultivated in soil with environmental liability arising from inadequate disposal of solid waste. Soil samples were collected from a deactivated dump located in the west of São Paulo and a control sample, in order to compare the development of species in different soils. The study was carried out in a greenhouse, from the Design of Randomized Blocks, with sixteen experimental plots, during 45 days. Soil fertility parameters and biomass production of the species were evaluated. The results were submitted to analysis of variance and the Tukey mean comparison test. There was a significant influence of solid waste on the availability of nutrients in the soil, which showed high levels of macronutrients and organic matter. The pig bean species stood out for its higher biomass production compared to sunflower, which indicates the possibility of using this species in the phytoremediation of this environmentally passive soil.
环境被动土壤中向日葵(Helianthus annus)和猪肉豆(Canavalia ensiformis)营养发育的评价
固体废物的适当处置被认为是对许多巴西城市的挑战,这些城市仍然在受控制的垃圾填埋场和垃圾场处置废物,这是造成环境责任的主要原因。由于土壤是受这种做法影响最大的环境成分之一,因此本研究的目的是评估在固体废物处理不当造成环境责任的土壤中种植的向日葵和豆角的营养发育。研究人员从位于圣保罗西部的一个废弃垃圾场和一个对照样本中收集了土壤样本,以比较不同土壤中物种的发育情况。这项研究是在一个温室中进行的,来自随机街区设计,有16个试验区,为期45天。对不同树种的土壤肥力参数和生物量进行了评价。结果提交方差分析和Tukey均值比较检验。固体废物对土壤养分有效性的影响显著,土壤中宏量营养素和有机质含量较高。与向日葵相比,猪豆的生物量产量更高,这表明猪豆在环境被动土壤的植物修复中具有可行性。
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