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Impact of conventional retting of jute (Corchous spp.) on the environmental quality of water: a case study.

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Title Impact of conventional retting of jute (Corchous spp.) on the environmental quality of water: a case study.
Not Available
 
Creator B. Majumdar, L. Chattopadhyay, S. Barai, A. R. Saha, S. Sarkar, S. K. Sarkar, S. P. Mazumndar, R. Saha, S. K. Jha
 
Subject Jute . Rettingwater . BOD. COD. Physicochemical . Nutrient content . Microbial properties
 
Description Not Available
Production of quality jute fibre primarily depends
on the retting process of jute. However, the quality
of retting water is of great concern because of the
scarcity of available water bodies for retting. A study
conducted on physico-chemical and microbiological
changes in retting water (pre- and post-retting) from four
intensively jute-growing districts namely Nadia, North 24
Parganas, Hooghly and South Dinajpur of West Bengal,
India, during jute retting. The post-retting water samples
recorded lower pH (6.22 to 7.08) and higher EC (electrical
conductivity) (0.509 to 0.850 ds/m) compared with
pre-retting water samples (pH 6.63 to 7.44; EC 0.197 to
0.330 ds/m) collected from all the four districts under
study. The biological oxygen demand (BOD) and chemical
oxygen demand (COD) increased several folds in the
post-retting water samples indicating very high microbial
growth and activities and depleted oxygen level compared
with pre-retting water. The Ca + Mg (calcium +
magnesium) content in pre-retting water was high (24.15
to 36.60 ppm)which raised further (61.30 to 103.67 ppm)
in post-retting water, while the bicarbonate content also
increased and ranged between 2.72 and 6.81 me/l in postretting
water compared with its status in pre-retting water
(1.30 to 3.15 me/l). The post-retting water was found to
be a rich source of nutrients like nitrogen (N), phosphorus
(P), iron (Fe), manganese (Mn), zinc (Zn) and copper
(Cu) which increased substantially because of jute retting
as compared with their status in pre-retting water. The
population of pectinolytic, xylanolytic, cellulolytic and
ligninolytic bacterial cfu (colony forming unit) increased
by 1.5 times in post-retting water as compared with preretting
water, because these specific bacterial population
were involved in the degradation of pectin, xylan, cellulose
and lignin during retting of jute. Thus, post-retting
water can be judiciously used as a potent source of
primary, secondary and micronutrients for succeeding
crops besides having higher BOD and COD as a result
of higher microbial growth related to jute retting.
Not Available
 
Date 2020-08-01T02:41:52Z
2020-08-01T02:41:52Z
2019-06-15
 
Type Research Paper
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/38724
 
Language English
 
Relation Not Available;
 
Publisher Springer