ISSN 2375-1266
African Journal of Environmental and Waste Management ISSN: 2375-1266 Vol. 3 (4), pp. 174-179, April, 2015. © International Scholars Journals
Full Length Research Paper
The effect of treated waste water and manure on iron uptake and growth of caisim in entisol
*1Endang Jero Andrinof, 1Agus Muhaimin and Fahri Sudarsono2
1Department of Soil Science, Faculty of Agriculture, University of Indonesia, Depok, Indonesia.
2Department of Soil Science, Faculty of Agricultural Science, Universitas Terbuka, Indonesia.
*Corresponding Author Email: [email protected]
Accepted 14 July, 2015
Abstract
Consumers’ demand for better quality vegetables is increasing; however the external morphology of vegetables cannot guarantee safety from contamination. Heavy metals ranks high amongst the chief contaminants of leafy vegetables, especially if using sewage sludge or effluents from wastewater treatment plants for irrigation of agricultural lands. A greenhouse experiment in pots was carried out in order to assess the effect of combination of treated wastewater and dose of poultry manure on the bioavailability of heavy metal Fe in contaminated soils and its uptake from agricultural plants. Caisim/Chinese cabbage (BRASSICA SP) plants were grown. Soil samples were analyzed for determination the content of elements: Fe. Concentration of the same elements was measured also in the leaves and roots of investigated plants after harvesting. The research used completely Randomized Design with two factors. The first factor was water irrigation: a) treated wastewater by slow-sand filtered and b) untreated wastewater irrigated. The second factor was the manure doses: 0%, 5%, 10%, 15%, and 20% of soil weight. The result showed that treated wastewater by slow-sand filtered reduced BOD, COD, suspended solid, Mn and Fe concentration in wastewater. Treated wastewater by slow-sand filtered plus manure application significantly increased plants height, slightly increased dry leaves and roots weight of Caisim/Chinese cabbage, but without manure application has had no different effect. Chinese cabbage which was watered by untreated and treated waste water tended to have high level Fe on leaves and roots, but still below the levels which can be toxic to the plants.
Keywords: Caisim; Entisol; Fe uptake; Manure; Treated waste water