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
|
Copyright
? 2015 Triveni Enterprises. All rights reserved. No part of the Journal can
be reproduced in any form without prior permission. Responsibility
regarding the authenticity of the data, and the acceptability of the
conclusions enforced or derived, rest completely with the author(s).
|