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Journal of Environmental Biology

pISSN: 0254-8704 ; eISSN: 2394-0379 ; CODEN: JEBIDP

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    Abstract - Issue Jan 2015, 36 (1)                                     Back


nstantaneous and historical temperature effects on a-pinene

Making agriculture greener

 

 

Brigitta T?th*

Department of Botany, Crop Physiology and Biotechnology, Institute of Plant Sciences,? Faculty of Agricultural and Food Sciences and Environmental Management, University of Debrecen, Debrecen, 4032, Hungary

*Corresponding Authors Email : btoth@agr.unideb.hu

 

 

 

 Publication Data

Paper received:

08 July 2013

 

Revised received:

20 November 2013

 

Re-revised received:

18 June 2014

 

Accepted:

22 September 2014

 

Abstract

The application of sewage sludge has been a worldwide agricultural practice for many years. The present study aimed to investigate the effects of sewage sludge (Ss) has on the physiological parameters of maize (Zea mays L cvs. PR37NO1). 2 g dm-3 and 4 g dm-3 of sewage sludge were examined in hydroponic experiment. Some metal contents (Al, Cr, Mn, Na, Zn) in the shoots and roots of maize were taken. Living bacteria containing fertilizers (LBCF) were examined on how the treatments modify heavy metal uptakes. Dry matter accumulations in shoots and roots, length of shoots and roots of maize were measured. Chlorophyll contents were determined by using spectrophotometer methods. The dry matter accumulation and length of shoots decreased, the dry matter of roots increased in all of the treatments compared to the nutrient solution without treatment (control). Increased chlorophyll a, b and carotene contents were observed at 4 g dm-3 Ss and 4 g dm-3 Ss + bio fertilizer treatments.  

 

 

 Key words

Agriculture, Crop production, Maize, Sewage sludge

 

 

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