55 research outputs found
Impact on the productivity of preparation on rhizobial inoculant carriers
Selection of a suitable carrier material for rhizobial inoculants is essential for biofertilizers production. Locally available wastes or by-products as carrier material will increase the cost effectiveness of the inoculants preparation. Here, were evaluated four such waste materials from local ground viz. charcoal, saw dust, garden soil and sugarcane bagasse with carrier based inoculums (108 viable cells/ml) and kept at room temperature (30 ± 20C). The colony forming unit (CFU) count of each strain in different carriers was monitored every month. The charcoal, garden soil and saw dust resulted to allow a better survival of the inoculums. The viable counts in charcoal, soil, saw dust and sugarcane bagasse after 240 days of storage was recorded as 107, 106, 105 and 103 for MPR8 and 107, 105, 105 and 103 for TFR3 strains respectively. The effects of storage of carrier on plant productivity showed better plant biomass accumulation and nodulation in cases of charcoal, sawdust and garden soil. However it was insignificant with the sugarcane bagasse based inoculants.
DOI: http://dx.doi.org/10.5281/zenodo.464143
Isolation and characterization of rhizobia from the root nodule of some cultivated legume crops
Biological nitrogen fixation (BNF) as a result of mutual symbiosis between the rhizobia and the cultivated legume have a vital role to balance the nutrient paucity in the soil. Modern researches shows that the BNF can be the important factors regulating and maintaining the defendable agriculture and ensuring food security especially in the developing countries. The use of artificial nitrogen fertilizers to rise crop yield is an internment farming practice, despite its unfavorable effects and hazards to the environment and human population which can be substituted by rhizobial inoculants as a bio-fertilizers. The present study was aimed to isolate and characterize the Rhizobium from the nine different selected legumes. The Rhizobium bacterium was isolated from the nodules of the nine legume plants on YEMA medium which was found to show white translucent, circular convex colonies and characterized by the non-absorption of Congo red dye. The strains were found to be fast growing except for the rhizobial strains isolated from the Soybean and cowpeas (Bradyrhizobium) which were slow growing. The various biochemical tests of the isolated strains like catalase, bromothymol blue, Urea hydrolysis were favorable while Glucose-Peptone Agar (GPA), starch hydrolysis, Citrate utilization were found to be negative. For the ability to utilize the 2% NaCl, the strains TFR showed positive growth, the strains PSR, PhVR, VUR showed the poor tolerance while the rest of the strains showed no tolerance to the 2% NaCl.
DOI: http://dx.doi.org/10.5281/zenodo.490625
Establishment of plant residues and inorganic fertilizer application for growth and yield of Vigna unguiculata (L.) in flood-affected cropland of Koshi Tappu Region, Eastern Nepal
Flood increases due to an increase in river overflow which affects on abiotic and biotic factors. The preliminary study of flood-affected crops was carried out in flood-affected cropland of Koshi Tappu Region of Eastern Nepal. For the experiment the plant residues of Eichhornia crassipes and Sesbania rostrata and inorganic fertilizer were selected to examine the growth and yield in Vigna unguiculata. The appropriate treatments for the production of V. unguiculata were analyzed. Before applying treatments, soil was collected and analyzed for physicochemical, microbial biomass and available nitrogen. Soil texture, soil moisture, water holding capacity and bulk density (BD) were calculated. The parameters such as soil pH organic carbon, organic matter and total nitrogen were determined. Soil microbe increases the significance of organic carbon and soil nitrogen is correlated for growth and yield. The results showed that the combined urea and plant residue increases the highest yield. And the Eichhornia compost represents the highest leaf area index and biomass. The total pod production was found in the Echhhornia compost. The dry weight per single pod in Eichhornia fresh was 7.82 g and in Sesbania fresh was 7.42 g. It proves that the land pattern is significant for the soil organic compounds. The experiment showed that the use of plant residues enhanced the increase of physicochemical properties of soil by adding the nutrients. The combined Urea + Eichhornia supports the best growth and development of the plant.
DOI: http://dx.doi.org/10.5281/zenodo.433815
Ethnomedicinal knowledge on Rai community of Ramprasadrai rural municipality, Bhojpur district, eastern Nepal
In Nepal, about 7000 vascular plants are noted. Some plants are medicinally important, so need to be explore for their medicinal value. Primary data for this research was collected by interviewing respondents. Secondary data was collected by reviewing early published research works on the internet. All herbaria were identified with the help of villagers, books, the internet, and by visiting of National Herbarium and Plant Laboratories (NHPL), Nepal. 35 plant species belonging to 28 families and 35 genera were documented as medicinal plants in the study area. Among these species, more plants were found to be herbs (51%) and the most useful parts were leaves (27%). Throat pain was the most common disease cured by more plant species (8 spp.). The most-used plant species were Acorus calamus, Terminalia chebula, Zanthoxylum armatum, Swertia chirayita, Phyllanthus emblica, Ageratina adenophora, Drymaria cordata, Curcuma caesia, Amomum subulatum, and Cinnamomum camphora. The Rai community of this area is rich in knowledge of traditional medicines. Elderly persons are found to be more thinkable about the curative properties of plants, methods of preparation, and diseases diagnosis than young people. Ethnomedicinal knowledge is important for various diseases in the Rai community. Conservation and preserve these plants for future generation as well for the reasons of traditional knowledge is going extinct gradually. The main purpose of this research was to find out the medicinal plants used by the Rai community of Khoksik village in Ramprasadrai Rural Municipality-8 in Bhojpur district.
DOI: http://dx.doi.org/10.5281/zenodo.513972
Some Medicinal Plants Uses in Ethnical Group from Biratnagar, Eastern, Nepal
This paper aims to explore of medicinal plants and their uses for the local communities in Biratnagar Nepal. We have explained here 32 medicinal plants with their habitat and part used for medicinal uses. The plants were Collected through the direct visit in a different interval of time after that plants were identified 32 species were described as their medicinal value with their plant Parts. The used of medicinal value of the medicinal plant is great Knowledge of ethnical society
Agreement Between Lea Symbols and Patti Pics Visual Acuity in Children and Adults
Patti Pics (PP) and Lea Symbols (LS) are commonly used by eye care practitioners worldwide. Although the relationship between the two tests is fairly well understood, the availability of different chart designs (single optotypes, multiple optotypes, multiple optotypes with crowding box) merits futher understanding. The purpose of this study is to explore the agreement between the acuity measures obtained with Patti Pics and Lea Symbols in children and adults and compare their performance with the Sloan Letter (SL) chart in adults. Methods: Monocular visual acuity was obtained from ninety-three 3 to 5-year-old children using Patti Pics and Lea Symbols. Acuities were also obtained from 113 adults using the same tests under identical conditions. Acuity results obtained with the pediatric tests were compared with the gold-standard Sloan Letter chart in adults. The Bland-Altman method was implemented to compare the level of agreement between tests. Results: Patti Pics yielded worse visual acuity than the Lea Symbols by approximately half a logMAR line in both children (mean difference: -0.07 § 0.07 logMAR,
Assessment of Surface Water Quality by Using Water Quality Index of Sanbarish Pond of Morang District, Nepal
A study of surface water of Sanbarish pond has been carried out to examine the quality for drinking and other domestic purpose as well as to evaluate the water pollution status of wetland on the basis of the presence of different physicochemical and microbiological parameters. For calculating the WQI, the following 11 parameters have been considered: Temperature (ambient and water), pH, turbidity, TDS (Total Dissolved Solid), Cl- (chloride), EC (Electric Conductivity), DO (Dissolved Oxygen), TH (Total Hardness), PO4–P (Phosphate – phosphorus), NO3-N (Nitrate – nitrogen), COD (Chemical Oxygen Demand). The WQI for these samples has been found to be mainly from the higher values of turbidity, DO and PH of the wetland water. The result of WQI has indicated the calculated value (ΣSIi = 95.59) showed the good quality for drinking as per the classification given and needs some proper treatment before consumption, and it also needs to be protected from the risk of contamination. The mean value of fecal coli form recorded was 1166.67 MPN/l00 ml which was crossed the WHO guide line
Azolla as an Economic Substitute to Soybean Based Feed for Poultry
A study on azolla as an economical substitute to soybean based poultry feed was conducted. The experiment consisted of four treatments laid out in Completely Randomized Design (CRD) with five replications. Each experimental unit consisted of three birds. For this purpose, eight-day old, unsexed Hubbard broiler chicks were weighed and randomly assigned to each treatment. Four different levels of azolla meal were incorporated in the starter and finisher ration at a level of 0%, 10%, 15%, and 20% respectively. Body weight, weight gain, feed consumption, and feed efficiency were measured. The average cumulative weekly body weight for all weeks were found to be significantly different (P<0.05) for the various treatments. Maximum cumulative body weight (1360 g) was found in broiler fed T2 ration in 5th week. Similar trend was also observed in 6th week showing highest cumulative weight (1882 g) in control diet (T1) which was at par with T2 (1841 g). Significantly highest (420.3 g) live weight gain was observed in T2 diet during 5th week. Overall mean of weekly feed consumption was recorded highest (784.33 g) in T2 diet. The economic analysis of net income/kg live weight was the highest (Rs 18.86) in T1 which was at par with T2 (Rs 18.35). Likewise, cost of production/bird was highest (Rs 124.5) in T1 and lowest (Rs 112.2) in T4. The results show that azolla meal could be utilized to substitute up to 10% soybean meal from overall production and economic point of view.Int J Appl Sci Biotechnol, Vol 3(4): 619-62
Arsenic in Surface Waters: A Report from River Ganga and its Tributary Jamania at Bhagalpur, Bihar, India
An investigation has been carried out to examine the arsenic pollution status of River Ganga & its tributary Jamania during pre-monsoon period of 2017 at Bhagalpur, Bihar (India). Altogether 17 water samples from different sampling sites along with their geo co-ordinates have been investigated for the value of arsenic using FTK test as well as spectrophotometer method. Throughout the study, arsenic value ranged from 10.69 ppb to 55.92 ppb. Out of the 17 water samples, the values of arsenic in 13 samples were from 20ppb to 54.1ppb. The concentration levels of arsenic in all the 17 river water samples and 2 public water supply samples (source: river water) in the present study were found above from the permissible limit of WHO (2008) and BIS (2004-2005) standards for drinking which is 10 ppb (part per billion)
Glial Heterotopia of the orbit: A rare presentation
<p>Abstract</p> <p>Background</p> <p>Glial heterotopias are rare, benign, congenital, midline, non-teratomatous extracranial glial tissue. They may masquerade as encephalocoele or dermoid cyst and mostly present in nose. Herein, we present an unusual case of glial heterotopia of the orbit with unilateral blindness.</p> <p>Case presentation</p> <p>A 6 year-old-boy presented with a progressive painless mass over the nose and medial aspect of the left eye noticed since birth. On examination, the globe was displaced laterally by a firm, regular, mobile, non-pulsatile and non-tender medial mass. The affected eye had profound loss of vision. Computed tomography scan showed a large hypodense mass in the extraconal space with no intracranial connectivity and bony erosion. The child underwent total surgical excision of the mass and histopathological examination confirmed glial heterotopia of the orbit.</p> <p>Conclusion</p> <p>Though the incidence of this condition is rare, the need of appropriate diagnosis and management of such mass to prevent the visual and cosmetic deterioration is warranted. To our knowledge this is the first reported case of Glial heterotopia of orbit causing unilateral blindness.</p
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