International Journal of Agricultural Research, Innovation and Technology (IJARIT)
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Influence of Mn on dry yield and nutrient uptake by new jute variety BJRI Tossa-7
Full text linkA field experiment was conducted during the year 2018-2019 at the vital place of Bangladesh Jute Research Institute (BJRI), Dhaka. The aim of the study was to evaluate the influence of Mn fertilizer on the dry matter yield and potential nutrient uptake of the newly developed jute variety BJRI Tossa jute-7. The treatments used in the experiments were T1: Control, T2: RDF sole (N90P10 K30 S20kg/ha), T3: RDF + 1 kg Mn/ha, T4: RDF + 2 kg Mn/ha, T5: RDF + 3 kg Mn/ha and T6: RDF + 4 kg Mn/ha. Mn application had a favorable effect on the dry matter yield of jute. Among the fertilizers of Mn with RDF, interaction promoted the dry yield biomass compared to sole RDF and control. Maximum dry matter yield (leaves + shoots + roots) achieved (20000 kg/ha) with T5 (RDF + 3 kg Mn/ha) and minimum (6421 kg/ha) in T1 (control). Study indicated that it needs to apply Mn to obtain optimum yield production. The interaction effect of Mn, NPK and S fertilizer significantly influenced nutrient uptake by the jute plant. The uptake of nutrient found highest N (218.9 kg/ha) in T5, P (92.75 kg/ha) in T3, K (239.73 kg/ha) with T6, S (19.59 kg/ha) in T4, Fe (0.64 kg/ha) in T5, Zn (0.38 kg/ha) in T5 and Mn (0.63 kg/ha) recorded in T6. The amount of micro nutrient uptake may be arranged in the order of Mn >Zn> Fe. Considering the highest uptake of major element, it can be kept as in the order of K > N>P>S. Study indicated that a higher rate of nutrient uptake was promoted dry matter accumulation in jute. Research revealed that the rate of nutrient uptake maximized with the addition of Mn in the RDF treatment. Hence, it could be concluded that applying RDF + 3 kg Mn/ha may be a suitable dose for optimum yield production of jute. Yet, in order to draw a sound conclusion, repeating the experiment is needed. In the future, the study will be a guideline for further investigation.
Int. J. Agril. Res. Innov. Tech. 14(1): 87-95, June 202
Circulation de la nomographie dans les journaux européens avant 1950 : cas de l'Allemagne dans l'entre-deux-guerres
No full textInternational audienceL’entrée par les journaux caractéristique du projet Cirmath, ainsi que les méthodes quantitatives et cartographiques développées en parallèle, ont permis de porter un nouveau regard sur l'histoire de la nomographie. Le premier résultat est la mise en évidence, de manière objective et quantitative, de trois périodes clairement identifiées dans cette histoire : une période française avant et pendant la Première Guerre mondiale, une période allemande entre les deux guerres, organisée autour de l’axe Berlin-Leipzig-Prague-Vienne, et une période soviétique qui commence juste avant la Seconde Guerre mondiale. Un autre résultat est issu du croisement de l’étude quantitative des journaux publiant des articles de nomographie avec le contenu du fonds d’archives de d’Ocagne conservé à l’École des Ponts ParisTech . Cette mise en regard des données disponibles a permis d’étayer l’hypothèse que, dans l’entre-deux-guerres, la nomographie a connu un développement autonome en Allemagne et en Autriche en s’affranchissant largement de l’influence de d’Ocagne
Farmers’ attitude towards modern maize production in Dinajpur Sadar upazila
Full text linkThe vital determination of the study was to determine the farmers’ attitudes towards modern maize production. The study was carried out in the Chehelgazi unions of Sadar upazila under Dinajpur District. Ninety-two farmers were selected as sample from an updated list of 920 farmers involved in maize production. Data were collected by a pre-tested interview schedule during September to October 2017. Simple and direct questions with different scales were used to obtain information. The co-efficient of correlation (r) was computed to explore the relationships between the nine selected characteristics of the farmers and their attitude towards modern maize production. About three-fourths (73.9%) of the farmers had highly favorable attitude towards modern maize production, while 26.1% moderately favorable attitude and none of them had slightly favorable attitude towards modern maize production. Correlation analyses indicated that among nine selected characteristics, education, farm size, cosmopoliteness, and extension media contact of the farmers had significant positive relationships with their attitude towards modern maize production. However, age, family size, area under maize production, annual income and training received had no significant relationships with their attitude towards modern maize production. ‘Cost of modern maize production is high than other crops’ (78.3%) emerged as the 1st ranked problem and last ranked (25.0%) perceived problem mentioned by the farmer was ‘Lack of knowledge on hybrid maize variety’ expressed by the farmers. The vital (56.5%) suggestion cited by the farmers was ‘organizing more training program for the farmers’ and ‘Application of IPM technique’ (28.3%) was last suggestion.
Int. J. Agril. Res. Innov. Tech. 14(1): 96-103, June 202
Germination and early seedling growth of a medicinal plant giant milkweed (Calotropis gigantea) under salinity stress
Full text linkGiant milkweed (Calotropis gigantea L.) is a salinity and drought-resistant xerophyte that is widespread around the world and serves significant ecological and medicinal purposes. The research aimed to evaluate the influence of saline stress on germination characteristics and prompt growth attributes of seedlings of C. gigantea. Seeds were germinated under five salinity levels viz. 0, 6, 8, 10 and 12 dS m-1 and allowed to grow for 30 days for traits assessment. Germination percentage (GP), germination rate index (GRI), co-efficient of the velocity of germination (CVG), mean germination time (MGT), Timson germination index (TGI), shoot length (SL), root length (RL), seedling dry weight (SDW) and healthy seedling number at 30 days were found lower in the salt solution compared to the control condition. Mean germination time was expanded with the increment of salinity levels. TGI of C. gigantea sustained a significant positive linear regression with GP (r = 0.9881), GRI (r = 0.9923) and CVG (r = 0.7887) at P < 0.001, but MGT (r = 0.7855) at P = 0.005. The correlation coefficient among the germination traits revealed insignificant between RL and other germination traits (GP, CVG, MGT, and TGI) except GRI (r = 0.499*) and SL (r = 0.541*). It is recommended that, as an emerging medicinal and fiber resource plant, C. gigantea can be cultured productively in coastal saline areas.
Int. J. Agril. Res. Innov. Tech. 14(1): 10-17, June 202
Analysis of consumers’ preference and willingness to pay for orange-fleshed sweet potato in Osun state, Nigeria
Full text linkThis study assesses the factors that influence consumers’ preference and willingness to pay (WTP) for orange-fleshed sweet potato (OFSP), emphasizing the effects of information on its health benefits. A multi-stage sampling technique was employed to select 180 respondents for study. Primary data were collected using a well-structured and pre-tested questionnaire. Data were subjected to descriptive and inferential statistics, viz, the hedonic pricing and probit models. The results show that factors such as gender, root size, availability and storability influence consumers’ preference for OFSP. The results further revealed that the root size negatively influenced preference for OFSP, while availability positively influenced it. These results also indicate that preference for OFSP decreases with the length of storage. In terms of willingness to pay for OFSP, the result of the hedonic pricing model indicates that the age of the respondent and colours of the OFSP positively influence consumers’ willingness to pay for OFSP. There was a (17.1%) increase in consumers’ level of preference after information on the health benefit was provided to them and the result from comparing means (T-Test) of prices consumers are willing to pay before and after information was provided showed a negative co-efficient (-16.341), which was significant at 1% level of significance. We suggest that research should concentrate on identified OFSP characteristics to improve acceptance, while in the short run, there is a need to promote OFSP production to increase availability.
Int. J. Agril. Res. Innov. Tech. 14(1): 53-61, June 202
Prospects and problems in implementing 4AR innovations in relation to 4IR perspectives
Full text linkThe Fourth Industrial Revolution (4IR) and the concept of the Fourth Agricultural Revolution (4AR) are interconnected, as they both refer to the application of advanced technologies. The Fourth Industrial Revolution has the power to revolutionize agriculture, enabling farmers to embrace innovation, increase productivity, and foster sustainable practices. The purpose of this study was to determine the extent of knowledge and attitude of respondents; to determine the familiarity of the respondents with 4AR technologies, to measure the severity of problems perceived by the respondents concerning 4AR, to find out the suitability of solutions for adopting 4AR innovations and to explore the relationship between each of the selected characteristics of the respondents with the focused issues. Primary data were collected from purposively selected 70 respondents during the period of 1 May, 2023 to 9 May, 2023 at Khulna district through face-to-face discussions and online interviews by using a pre-tested interview schedule. Descriptive statistics such as mean, standard deviation, percentage and Spearman Coefficient of Correlation were measured for data interpretation by using SPSS. Almost 72.9% of the respondents had low knowledge of 4AR technologies and a proportion of 95.7% of the respondents had a favorable attitude toward 4AR. Maximum respondents are highly familiar with the technology of “Using an automated machine for seedling transplantation” and “Using agricultural drones in applying fertilizers and pesticides in crop fields”. The main problem based on the problem severity index was “High initial investment to purchase 4AR technologies”. The best possible solutions according to the solution index were making the 4AR technologies available at low prices in the local market” followed by financial support from the Government and other agencies. Knowledge and attitude towards 4AR technologies had a significant positive relationship with the familiarity of 4AR technologies. Training experience had a highly significant relationship with the determination of associated problems in 4AR implementation. Knowledge of 4AR and training experience had a highly significant positive relationship with the measurement of the suitability of probable solutions.
Int. J. Agril. Res. Innov. Tech. 14(1): 77-86, June 202
Extending nonstandard finite difference schemes rules to systems of nonlinear ODEs with constant coefficients
No full textInternational audienceIn this paper, we present a reformulation of Mickens' rules for nonstandard finite difference (NSFD) scheme to adapt them to systems of ODEs. This leads to exact schemes in the linear case, and also improve the accuracy in the nonlinear case. In the Hamiltonian nonlinear case, it consists in adding correction terms to schemes derived by Mickens
Gum and resin bearing dryland forests of Somali region, Southeastern Ethiopia: Diversity, structure and spatial distribution
Full text linkDespite its ecological and socio-economic contributions, the lowland dry forests of Ethiopia have been experiencing severe deforestation and degradation challenges. It is, therefore, crucial to assess the status of the dry forest resources to formulate an appropriate management strategy and its sustainable utilization. This study was formulated to determine spatial distribution, species composition, structure, and regeneration of the gum and resin species bearing dry forests in the Somali regional state of Ethiopia. The recent Sentinel-2A image was procured and used to classify the area, using a supervised Random Forest Algorithm, into different land covers and vegetation types. Inside the two key vegetation types (Acacia dominated woodland and Mixed woodland), forest inventory was conducted by establishing 30 m x 30 m size quadratic sample plots. The results revealed that the study area was divided into settlement (0.2%), bare land (6.0%), undifferentiated forest (0.5%), acacia woodland (36.3%), mixed woodland (54.1%) and scrubland (2.9%). Thirty-four woody species were identified and recorded with a Shannon diversity of 3.03. The population structure showed a lack of sufficient natural regeneration. It is, therefore, imperative to say that the forest containing the gum and resin-bearing species is not replacing itself. On the other hand, the forest has the potential to produce Oleo-gum resin in various kinds and amounts. Thus, implementing appropriate restoration measures is urgent to enhance natural regeneration. Moreover, formulating sustainable utilization while creating product market of gum and resins are important considerations for the future development of the sector.
Int. J. Agril. Res. Innov. Tech. 13(2): 6-13, Dec 202
Profitability analysis of cut flower cultivation in Bangladesh: Constraints and opportunities
Full text linkBangladesh has immense potential for cut flower production and export to the world market. Although the export earnings from cut flower cultivation are gradually increasing in our country, production and profitability are hindered by some constraints. The present study was undertaken in Jashore (Jhikargachha) and Dhaka (Savar) districts to examine the financial profitability, constraints, and opportunities of cut-flower cultivation in Bangladesh. A total of 120 cut flower cultivating farmers were selected for interview in 2019, taking 60 sample farmers from each location. Multi-stage random sampling method was followed to collect primary data. For profitability analysis, two cut flowers, namely gladiolus and rose, were selected for the study. The result indicates that per hectare total cost, net return, and benefit-cost ratio (BCR) were Tk. 687439, Tk. 261509 and 1.38, respectively, for gladiolus cultivation. On the other hand, net present value (NPV), internal rate of return (IRR), and BCR of rose cultivation were Tk. 2325762, 146%, and 1.46, respectively, indicating that rose production is highly profitable to the farmers of the study areas. Despite such potentialities, cut flower cultivation was constrained by the requirement of high initial investment, lack of modern varieties, lack of credit facility, lack of storage facility, attack by pests & diseases, and uncertain market price. However, there is a huge scope to increase cut flower production by removing constraints in Bangladesh that can boost up livelihoods, incomes, and living conditions of rural people.
Int. J. Agril. Res. Innov. Tech. 13(2): 41-48, Dec 202
Evaluation of the efficacy of hydro-alcoholic products for hand skin disinfection: Case study Bactigel® used in the Livulu district of Lemba, Kinshasa City (Democratic Republic of Congo)
Full text linkPreventing, reducing, and improving infection control have been struggles that have preoccupied the World Health Organization for many years. The present study aims to evaluate the efficacy of Bactigel hydro-alcoholic gel on the cutaneous flora of hands. The study was conducted by interviewing people on their knowledge and use of hydro-alcoholic products and culture of palm flora samples before and after hand disinfection. Results showed that 90% of respondents knew about hydro-alcoholic products, 96.3% of whom had already used them, and 92.3% were still used. In addition, 90% do not have alcohol-sensitive skin, and 80% use soap and water with soap for hygiene in their homes. Bactigel significantly reduced the microbial load on palms by 90.04%. Based on these results, Bactigel hydro-alcoholic gel is effective against skin germs. It is concluded that Bactigel can only be effective in the community when compliance is good hand hygiene.
Int. J. Agril. Res. Innov. Tech. 13(2): 49-54, Dec 202