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Hydro-chemical Investigation of
Shallow water in Tittagudi Taluk,
Cuddalore Dist, Tamil Nadu (India)
G.R.
SENTHIL KUMAR1 M.
ARUMUGAM1 and
J.F. LAWRENCE2
Abstract:
Now-a-days communities are
conscious of the quality of water, before they consume. Every one realizes
the gravity of water quality deterioration. Water quality studies becoming
more significant. Hence, an attempt has been made to evaluate the shallow
groundwater quality in post monsoon period of Tittagudi taluk, which lies
between latitude 11º 22' 03" to 11º 36' 29" N and longitude 78º 52' 42' to
79º 18' 59" E and situated in Cuddalore district of Tamil Nadu state.
Detailed hydrogeological survey was carried out and the shallow water
samples were collected from the predetermined forty- four (44) locations.
The water samples were analysed by using APHA (1996) standard methods. The
analytical results have been processed using computer program with output
results. The following thematic maps were prepared viz TDS, TH, CR,
Scholler's water type, Stuyfzand water type, USSL Classification, Gibbs
plot, etc. The TDS is less than 2500 mg/l. Total hardness range between
150-300 mg/l (hard water). In the post monsoon period half of the water
samples fall in the type-III classification, which indicates the dominance
of bicarbonate water in the domain. According to Stuyfzand classification
(1989), the shallow ground water of the study area is classified into
Oligohaline, fresh, F-Brackish and Brackish types. According to USSL
classification the shallow water samples of the study area restricted to
following classes C2S1,
C3S1,
C3S1,
C3S2,
C4S1,
C4S2 and
C4S3.
Among these, C3S1 occupies
the major part of the study area. Most of the groundwater of the study area
is promising for irrigation purposes. Gibbs plot indicates, mostly the water
quality is due to rock water interaction and in few location it is due to
evaporation. Generally, the monsoon rainfall is found to be influencing
factor for the change in water quality.
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Impact of tidal submergence on
astaxanthin content of mangroves
Abhijit Mitra, Shibdas Basu, Kakoli Banerjee*
and
Arnab Banerjee**
Abstract :
The marine and estuarine
environment is a unique reservoir of natural resources. The mangroves, which
constitute an important floral component of this ecosystem is the
store-house of several bioactive substances. A study was conducted in and
around the eastern part of Indian Sundarbans during December, 2005, at three
different stations namely Canning, Gosaba and Chotomollakhali, to monitor
the variation of astaxanthin level in mangrove leaves under both submerged
and exposed conditions. The astaxanthin level was monitored with respect to
tidal influx and physico-chemical variables (like surface water temperature, pH, salinity, dissolved oxygen,
nitrate, phosphate and silicate) to know the ecology of the mangrove species
and the synthesis of astaxanthin under tidal influence. Astaxanthin, a
naturally occurring carotenoid pigment has a unique antioxidant property.
Significant variations of astaxanthin level were observed between submerged
and exposed conditions. The relatively higher value of astaxanthin content
in the submerged leaves of mangroves in three different stations confirms
the synthesis of this carotenoid pigment under stressful condition. Although
more studies are needed to confirm the role of tidal inundation on
astaxanthin level in the coastal vegetation, but baseline data generated
from such study points towards the regulatory effect of tidal inundation on
astaxanthin content of the mangrove plants.
Key words:
Indian Sundarbans, Mangroves, Astaxanthin, Tidal inundation.
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Effect of solvents and pH
variation on electronic spectra of 2-hydroxy-4-methoxy benzaldehyde
B.S.
Yadav, S.K. Tyagi* and
Ritu Saran**
Abstract:
Electronic spectra in various polar solvents
have been recorded in the region 1900-4000A0.
The effect of change of solvent on electronic transition of 2-hydroxy -4
methoxy bonzaldehyde is explained. The effect of pH variation has also been
studied.
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Hydrogeomorhological mapping A
case study a part of sind basin, datia block, distt. Datia Madhya Pradesh,
India, using rs & gis technique
D.R.
Tiwari1 Satish
Kumar2 and
Chakravarty
Abstract :
Remote Sensing (RS) data and
Geographical Information System (GIS) play a rapidly increasing role in the
field of hydrology and water resources development. One of the greatest
advantages of using RS data for hydrological mapping and monitoring is its
ability to generate information in spatial and temporal domain, which is
very crucial for successful model analysis, prediction and validation.
However, the use of RS technology involves large amount of spatial data
management and requires an efficient system to handle such data. The GIS
technology provides suitable alternatives for efficient management of large
and complex databases. Information from satellites is becoming more and more
important for environmental research; an important part of this information
concerns water - an element most essential for man, its phases and
peculiarities. The Principal source of ground water recharge in the
study area is through rainfall, although the river and streams emerging from
hills also form a significant recharge source. The advent of Remote sensing
has opened up new vistas in geological, geomorphological and structural
mapping from ground water exploration.
Key words:
Hydro geomorphology, Remote sensing, Geographic Information System (GIS).
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Studies on the piezoelectric and
pyroelectric properties of samarium modified lead zirconium titanate(PZT)
electroceramic
Sandeep Khannaa*
, Rekha Sharmab,
and
V.K. Rastogia
Abstract:
Modified PZT samples
(pellets) of composition Pb1-x Smx (Zr
0.53 Ti
0.47)
O3 where
x = 0, 0.02, 0.04, 0.06 & 0.08 were prepared by conventional solid state
reaction method using the oxide precursors. The samples were characterized
for their pyroelectric and piezoelectric properties. PSZT samples have high
piezoelectric and pyroelectric coefficients yielding them to have a variety
of applications.
Key words:
PZT; PSZT
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BER Estimation for Optical
Communication System Using Variety of Fibers in the Presence of SPM and XPM
Sandeep
K. Arya, Ajay K. Sharma# and
R. A. Agarwala*
Abstract:
In this paper, optical
communication system at 10 Gb/s, NRZ data format source has been simulated
using a variety of available fibers at reference loss and reference
dispersion wavelength of 1550 nm in the presence of SPM and XPM using
commercial package OptSim. The SPM and XPM induced degradation in optical
fiber communication systems in terms of Bit Error Rate (BER) has been
estimated up to fiber length of 300 kms. Further, Power at the output of
optical communication system has been obtained for variety of fibers by
mitigating the dispersion using ideal fiber Bragg gratings. Results have
been obtained by considering the impact of second and third order dispersion
terms. Moreover, a comparison for power and BER for variety of fibers have
been shown for a comparative study. It has been investigated that the
optical communication system suffers due to SPM and XPM induced degradation
most severely using Alcatel_SMF fiber and shows BER of 10-10 at
a fiber length of merely 194 kms. Further, it has been observed that the
optical communication system suffers least with Sumitomo_Z and
Sumitomo_Z_Plus fibers and depict a BER of 10-10 at
a fiber lengths of 282 and 290 kms respectively.
Index
Terms: Fibers,
BER, Self phase modulation (SPM), Cross phase modulation (XPM).
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Effect of solvents on electronic
transitions of 3,5-dibromo pyridine
B.S.
Yadav, Amit Kumar Yadav, Seema*
and Subhash Chand**
Abstract:
The electronic spectra of 3,5-Dibromopyridine
(here after referred as 3,5-DBP) have been recorded in the region 400-200nm.
The effect of solvents on electronic transitions is also studied and
discussed.
Key Words :
Electronic spectra and Solvent effect.
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A study on white layer and
surface texture in laser cutting of 304 grade stainless steel
Ranganath B. J.1* and
Viswanath G2
Abstract :
The formation of white layer on cut surface is
found on cutting stainless steel with Carbon dioxide laser using oxygen as
assist gas. The composition of such a layer is found to be depleted of
elements of the base cut material. This weakens the cut surface and affects
the cut surface texture and functioning of the cut surface. The analysis of
the laser cut surface is discussed in this paper.
Key words :
white layer, surface roughness, laser cutting.
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Drainage morphometry analysis
through rs &
gis technique A case study, a
part of Datia block, District Datia (M.P.)
D.R.
Tiwari1 and
Satish K. Chakaravarty2
Abstract:
Morphometry is defined as the
measurement of shape. Morphometry studies in the field of Hydrology were
first initiated by R.E. Horton & A.E. Strahler in 1940s & 1950s the main
purpose of this work was to discover holistic stream properties from the
measurement for various stream attributes. R.E. Horton applied morphometric
analysis to a variety of stream attributes and from these studies he
proposed a number of laws of drainage composition. Horton's law of stream
lengths suggested that a geometric relationship existed between the numbers
of stream segments in successive stream orders. During the last 20 years the
subjective approach to the description of drainage pattern has been largely
supplemented by more objective - and far more useful - techniques of study.
In this study area under investigation is located in latitude 25o32'
25o50'
and longitude 78o13'
78o44'
as per Survey of India toposheet nos. 54K/2, 54K/5, 54K/6, 54K/9 and 54K/10
which covers an area of about 911 Km2.
The area of study is a part of Bundelkhand Plateau. The general elevation
is about 198 mtrs. above the mean sea level. GIS analysis made the
computation of parameter required for morphometric analysis easier & less
time consuming then manual method like area measurement, Length measurement
& calculations etc. Mapping of drainage pattern was carried out using
satellite data on 1:50,000 scales.
Computation of parameters required for morphometric analysis, ordering,
lengths, area etc. were estimated using GIS technique. The seven
subwatershed in the study area are suggested that the subwatersheds
represent respectively, SWS-1, SWS-2, SWS-3, SWS-4, SWS-5, SWS-6, SWS-7.
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Automatic Domain-Relevancy
Appraisal of Software Components
*Parvinder
Singh Sandhu1 and
Hardeep Singh2
Abstract:
Domain-relevancy is an
important factor in evaluating the reusability of a software component. For
software Domain recognition systems; adequate ground truth labels that
describe relevant software categories are necessary. This paper presents an
approach that allows to automatically cluster feature-vector (FV) codes into
meaningful categories. It exploits the fact that FV codes can be seen as
documents containing terms -the idenifiers present in the components- and so
text modeling methods that capture co-occurrence information in
low-dimensional spaces can be used. The FV code derived descriptions are
computed by Latent Semantic Analysis (LSA) using Singular Value
Decomposition (SVD) and Semi-Discrete matrix Decomposition (SDD)
techniques.The FV code representation of clusters is used to find the
domain-relevancy of the software components automatically. The paper has
mentioned , how statistical tools can be used to get a high-level
description of software domain and compared the results of the two
techniques. The results shows the superiority of SDD over SVD
technique in terms of computation speed and storage.
Key
words : SVD, SDD,
Domain-Relevancy, Clustering, Reusability.
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A preliminary study into the
direct effect of chemical pesticides on the predatory mite Anystis
baccarum
ANDREW G. S. CUTHBERTSON1*
and ARCHIE K. MURCHIE2
Abstract:
A preliminary laboratory
study was undertaken to investigate the impact of four commonly used
chemical pesticides (pirimicarb, phosalone, dicofol/tetradifon and
tebufenpyrad) on the predatory mite Anystis baccarum. Pirimicarb and
tebufenpyrad had least detrimental effect on A. baccarum, whereas
both phosalone and dicofol/tetradifon caused complete mortality of A.
baccarum at the recommended dose rate. The potential for development of
integrated pest management strategies incorporating chemical pesticides and
A. baccarum for orchard invertebrate pest control is discussed.
Key words : Anystis baccarum,
biocontrol, chemical pesticides, integrated pest management.
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Insecticidal and
antiovipoitional properties of some aromatic medicinal plants, Eugenia
caryophyllus, eucalyptus camaldulensis, xylopia ethiopica and
bryophyllum pinnatum against cowpea bruchid, callosobruchus maculatus (F.)
1OMOTOSO, O. T. and
2Ogunleye,
R. F.
Abstract:
Powders made from some aromatic medicinal
plants were evaluated for their insecticidal and antiovipositional
properties against Callosobruchus maculatus in the laboratory under
flunctuating ambient temperature (30Z2oC)
and relative humidity (70Z5%).
E. caryophyllus at all dosages gave 100.00±0.00% insect mortality.
B. pinnatum gave 80.00±1.00%, 90.00±2.10% and 100.00±0.00% mortality at
1g, 2g and 5g treatments respectively. X. aethiopica gave
50.00±1.20%, 60.00±0.90% and 100.00±0.00% mortality at 1g, 2g and 5g
treatments respectively. E. camaldulensis resulted in 80.00±1.02%,
100.00±0.00% and 100.00±0.00% mortality at 1g, 2g and 5g treatments
respectively.
Eggs were not deposited on
the beans treated with E. caryophyllus at all dosages while the
highest dosage of 5g inhibited egg deposition in B. pinnatum treated
beans. Egg deposition observed in lower dosages of 1g and 2g were 1.25±0.21%
and 1.25±0.11% respectively. X. aethiopica treated beans at 1g, 2g
and 5g treatments gave 5.00±0.32%, 3.13±0.78% and 1.88±0.58% egg deposition
respectively. E. camaldulensis gave 5.34±0.91%, 3.75±1.20% and
1.95±1.00% at 1g, 2g and 5g dosage treatments respectively.
Key
words: Eugenia
caryophyllus, Bryophyllum pinnatum, Xylopia aethiopica, Eucalyptus
camaldulensis and antioviposition.
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Vibrational spectral studies of
6-Propyl -2-Thiouracil
B.S. YADAV*, PRITI YADAV, ISRAT
ALI and PRADEEP KUMAR
Abstract:
The vibrational spectra (IR
and Raman) of 6-propyl-2-thio uracil have been recorded in the region 400 -
4000 cm-1 and
30 - 4000 cm-1 respectively.
The assignments of fundamentals are proposed and discussed by assuming the
molecule under Cs point group symmetry. Hydrogen bonding and tautomeric
behaviour of the molecule have also been discussed.
Keywords :
Infrared and Raman spectroscopy, vibrational frequencies, 6-propyl-2-thio
uracil.
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Evaluation of ground water
Through R.S. & gis techniques
A case study, a part of data block, Distt. Datia M.P. (India)
Satish Kumar Chakravarty*
and D.R. Tiwari**
Abstract:
Ground water is a precious
natural resource of limited extent. Due to its longer residence time in
ground, low level of contamination, wide distribution and availability
within the vicinity and reach of the consumer, ground water development gets
first priority for meeting the over growing demand of water and occupies an
important place both in hydrologic cycle as well as in the life cycle of
mankind. A ground water development programme needs large volume of
multidisciplinary data from various sources. In the present study, an
integrated remote sensing and GIS based technique has been adopted for
Assessment of ground water in a part of Datia Block, Datia district, Madhya
Pradesh that suffers acute water crisis at times. IRS- IB (LISS-II) data
along with other data sets have been utilized to prepare the
hydrogeomorphological map of the area. It is observed that areas of
Denudational Hill and Residual Hill have low ground water potential with
high runoff, which areas those of Pediment and Buried Pediment have
comparatively higher groundwater potential with low runoff, which may be
helpful in locating the productive well sites. Study of lineament map of the
area further strengthens the fact that better well yields are expected in
the areas traversed by NW-SE trending lineaments, which may be responsible
for large-scale migration of groundwater in the area.
Key words:
Hydro geomorphology. Integration, Remote sensing, Geographic Information
System (GIS), Groundwater potential.
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Average characteristics of
cosmic rays daily variation for solar cycle-23
Manoj
Kumar Pandey, Pankaj K. Shrivastav
and R.K.Tiwari*
Abstract:
As we know that the solar modulated anisotropic
variations in cosmic ray intensity can be detected by the ground based
detectors. These anisotropies are generated due to the spin motion of the
earth1,2,6.
We have performed an average characteristics analysis to establish the
amplitude and phase modulation for first two harmonics of the cosmic ray
anisotropy. Pressure corrected hourly values of Kiel NM station have been
used for the period 1996 to 2005. In the present study, we have derived the
average characteristics of first two harmonics of cosmic ray daily variation
for the period of 1996 to 2005, covering the almost whole solar cycle - 23.
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Reduction of Pb(II) with Some
Amino Acids and Thiodiglycolic Acid (TDGA) at Dropping Mercury Electrode (DME)
Vijay
Malhotra1 and
C. P. Singh Chandel2*
Abstract:
The reduction of Pb(II) in
the aqueous solution with some amino acids (DL-Threonine, DL-Isoleucine and
L-Serine) and thiodiglycolic acid (TDGA) have been investigated at dropping
mercury electrode (DME). The stability constants of Pb-TDGA and Pb-Amino
acids were measured first, by the method of Deford & Hume and that of Pb-Amino
acids-TDGA have been studied by the method of Schaap & McMasters. The
reduction of all the complexes has been found to be reversible and diffusion
controlled, involving two electrons in each case. Three types of mixed
complexes MXY, MX2Y
and MXY2 have
been determined with the help of these data statistical and electrostatic
effects have been considered.
Key words:
Thiodiglycolic acid, Amino
acids, Reduction.
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Synthesis, characterization and
catalytic properties of a novel large pore aluminosilicate, NCL-15 using
hexamethyleneimine template from non-aqueous media
N.
Venkatathri* and
L. Saikia
Abstract : A large pore aluminosilicate
molecular sieve NCL-15 have been synthesized using hexamethyleneimine
template from non-aqueous media for the first time. It was characterized
using XRD, SEM, FT-IR, N2 adsorption,
MASNMR and benzaldehyde dimethoxylation reactions.
Key word:
Aluminosilicate, large pore, NCL-15, molecular sieves, dimethoxylation.
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Study of Copper (II) & Nickel
(II) Ternary Complexes Involving Tridentate and Bidentate Ligands
M.
Rafique Ullah, Shakila Rahman
and
Nargish Jahan Ara
Abstract:
The tridentate ligands used
for study of Cu (II) & Ni(II) ternary complexes are the mannich bases
derived from Salicylaldehyde and amino acids (with and without side groups)
by reduction of their corresponding shiff bases. Solution studies of ternary
complexes is being done using these mannich bases as one of the ligand and
the amino acids
with or without side groups as the second ligands. The stability constants
of these ternary complexes have been determined potentiometrically using the
SCOGS (stability constant of generalized species) computer programme. A
reason for the more negative Dlogk
values of the ternary Cu(II) complexes is discussed.
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Morphometric analysis of somni
stream watershed, Patan Block, Durg District, Chhattisgarh
Prashant Shrivastava1 and
Anupama Asthana2
Abstract:
The Somni stream watershed is
drained by Somni stream and its two associate streams Pahandor and Amlidih
streams. The drainage network presents dendritic pattern. The total
watershed area drained by these streams is 202.18km2.
The general slope direction of the basin is in NE direction.
The area
receives average annual rainfall 1010.9mm. The quantitative morphometric
analysis developed by Horton2 and
Longbein3 are
applied to evaluate characteristic linear scale dimensions of Somni stream
water shed. The results of morphometric analysis of the basin shows its
mature surface, oval shape, coarse texture, permeable with high infiltration
rate and nearly flat topography.
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Performance Analysis of Wireless
Ad Hoc Network Routing Protocol : A Review
Sanjeev Sharma* R.C. Jain**
and
Sarita Singh Bhadauria***
Abstract:
An ad hoc network is a collection of wireless mobile nodes
dynamically forming a temporary network without the use of any existing
network infrastructure or centralized administration. Due to the limited
transmission range of wireless network interfaces, multiple network “hops”
may be needed for one node to exchange data with another across the network.
In recent years, a variety of new routing protocols targeted specifically at
this environment have been developed, but little performance information on
each protocol and no realistic performance comparison between them
is available. This paper presents the review results of a detailed
packet-level comparing four multi-hop wireless ad hoc network routing
protocols that cover a range of design choices: DSDV, TORA, DSR, and AODV.
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Refractive index: Theoretical
evaluation in binary liquid mixtures
Shipra Baluja, Nirmal Pandaya, Nikunj Kachhadia
and
Asif Solanki
Abstract:
For four binary liquid
mixtures : acetophenone + dimethylformamide (ACE+DMF), acetophenone + Hexane
(ACE + HEX), acetophenone + tetrahydrofuran (ACE + THF), acetophenone +
methanol (ACE +ME), density and refractive index (RI) have been measured at
308.15K. The experimental values of refractive index are compared with those
calculated from Lorentz-Lorentz, Heller, Newton and Gladstone - Dale mixing
rules.
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The Physico-Chemical and
Petrographic Characters of Eocene Coal Occurring in Rangsokham Area, East
Khasi Hills Meghalaya (India)
M.
Ahmed, P. K. Das and
S. Phukan
Abstract:
The Lakaday Sandstone Member
of the Shella Formation of Jaintia Group (Eocene) houses two thin and
impersistant coal seams in and around Rangsokham area near Mawsynram of East
Khasi Hills district of Meghalaya. The present study deals with the
characters of coal collected from the bottom seam of Rangsohkham area. The
seam is about 1 m. in thickness and is bottomed and topped by thin
carbonaceous shales. The other associated litho units are shales along with
dominant sandstone which are often current bedded.
The coal is generally soft
and friable with dull black colour and at places bottom part of the seam
shows increasing order of lustre and hardness. Hard portions of the coal
breaks with a conchoidal fracture and preserves a shining oval shaped
structure. Pyrite crystals are well preserved in the coal seam.
In proximate analysis the
coal is characterized by low ash (1.5-8.7%), low moisture (2.1-5.9%) and
high volatile matter (41.2 - 51.0%). The total sulphur content varies from
2.0 -3.42% with dominant organic form (1.58-2.92%). The ‘calorific value’ of
the coal calculated from proximate analysis data using Goutal’s formula
varies from 6683- 7151 k call/kg.
In petrographic composition
the coal contains 82.90-86.18% vitrinite dominated by collinite, 3.08-4.72%
exinite, 3.39-7.95% inertinite and 3.45-7.30% mineral matter with framboidal
pyrite.
The coal of Rangsohkham area
belongs to non-caking B6 sub-bituminous
and lignite types after the general classification of Indian coal (ISI). In
petrographic classification the coal is of vitrinertite- V type.
The low ash content of the
coal indicate short distance transportation of the parent plant debris. The
high percentage of sulphur, structureless vitrinite (collinite) and
framboidal pyrite of the coal indicate marine influence in the depositional
basin.
The conchoidal fracture, oval
shaped shining structure and the low moisture content of the coal indicate
tectonic influence in the region during the coalification process. This view
is further evidenced by the presence of Dauki Fault along the southern
fringe of the Meghalaya Fig. 1-11.
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Response of chickpea (Cicer
arietinum L.) to foliar application of different nutrients under rainfed
conditions
Suresh Motwani and
Tayyab Saify
Abstract:
The experiment was conducted
to study the ‘Response of chickpea (Cicer arietinum L.) to foliar
application of different nutrients under rainfed conditions’. During the
rabi season of 2001-2002 at the research farm of R.A.K. College of
Agriculture, Sehore (M.P.) under All Inda Co-ordinated Research Project on
Chickpea. Twelve treatment combinations of two basal dose of nutrients (with
and without basal dose of nutrients) and six foliar spray of nutrients viz.
no spray, water spray, 2% urea spray, 3% urea spray, 2% D.A P. spray and 2%
KCl spray, were replicated four times in a randomized block design. The plot
size was 5.0 m
´
3.0 m the soil of the experimental field was medium black clay loam, low in
available nitrogen, medium in phosphorus and high in potash with pH 7-8. The
chickpea variety JG-130 sown on 22nd October
2001 and harvested on 6th March
2002.
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Ficus
extracts against copper intoxication
Kalkar S.A., P. B. Agrawal*
and N.M. Paulkar
Abstract:
Continuous ingestion of Cu
(II) is sufficient to induce chronic Cu poisoning in man. So, removal of
such toxic metal is necessary. Here, an attempt has been made using
colorimetric EDTA titration in order to find the utility of Ficus
extracts in the removal of toxic metals like Cu (II). Efforts are also made
to find out the solute-solvent and solute-solute interactions from the
ultrasonic velocity and density measurement. Such studies may throw light on the antitoxicity of Ficus extracts. It
has been observed that plant extracts showing less interactions, will be
more useful in absorbing toxic metals.
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