Factors Affecting the Yield Gap of Brinjal Grown in Jhikargacha Upazila under Jashore District, Bangladesh
Mohammad Ashraful Islam *
Department of Agricultural Extension Education, Sylhet Agricultural University, Sylhet-3100, Bangladesh.
Gazi Hadiuzzaman Simoon
Department of Agricultural Extension Education, Sylhet Agricultural University, Sylhet-3100, Bangladesh.
Biplob Deb
Department of Agricultural Extension Education, Sylhet Agricultural University, Sylhet-3100, Bangladesh.
*Author to whom correspondence should be addressed.
Abstract
The purpose of the study was to determine the yield gap of brinjal with the causing factors and explore the relationship between the yield gap and the socioeconomic characteristics of the farmers. The study was conducted with a sample of 50 farmers randomly selected from five villages in Raghunathnagar union under Jhikargacha upazila of Jashore district using a structured interview schedule from February to March 2020. The yield gap was measured based on the differences between the achievable yield recorded at the particular study location and the average actual yield harvested by the farmers. The results revealed that the majority (76.0%) of farmers had a moderate yield gap (26-65.0% gap), while 14.0% had a low yield gap (up to 25.0% gap) and about 10% high yield gap (more than 65% gap). Inadequate amounts of different inputs used in brinjal production along with some socio-psychological-economic characteristics of farmers were the causes of the yield gap. For instance, 80% of farmers had a high gap in the application of Supreme- a locally popular insecticide for controlling fruit and shoot borer, in the case of pesticide application (74% and 76% of farmers had high gap in the application of Amister and Amagold) followed by 74% had high gap in TSP and Mop application, 76% had high gap in Urea application, 60% had high gap in Boron application, 72% had high gap in Gypsum application, almost 58% had medium to high gap in Cowdung application and 44% had high gap in irrigation application. The results of the correlation co-efficient ‘r’ also revealed that family size, farm size, extension contact, farming experience, knowledge, and level of inputs use were negatively significant with yield gap, while the problems they experienced in brinjal production had a positive significant relationship. The top five problems were: price hike of different inputs required for brinjal production, and poor selling price of products as it is maintained by business syndicates along with lack of proper knowledge about fertilizer management, heavy attack of insects and pests in the brinjal fields, insufficient extension services and lack of training of the farmers about the modern production method of brinjal.
Keywords: Yield gap, brinjal farmers, potential yield, average yield
How to Cite
References
Dewan MMR, Rashid MHA, Nasim M, Shahidullah SM.. Diversity of crops and cropping systems in Jessore Region. Bangladesh Rice J. 2017;21(2):185-202. Available:https://www.banglajol.info/index.php/BRJ/article/view/38206/25990
The Business Standard,. Jashore tops the list of the highest vegetable-producing districts;2020.
Available:https://www.tbsnews.net/economy/agriculture/jashore-tops-list-highest vegetable-producing-districts-36355
Choudhary B, Nasiruddin, K.M., Gaur, K. The status of commercialized Bt brinjal in Bangladesh. ISAAA Brief No. 47, International Service for the Acquisition of Agri-Biotech Applications (ISAAA), Ithaca, NY, USA; 2014
BBS: Yearbook of Agricultural Statistics. Bangladesh Bureau of Statistics. Statistics and Informatics Division (SID). Ministry of Planning, Government of the Peoples Republic of Bangladesh, Dhaka; 2011.
BBS: Yearbook of Agricultural Statistics. Bangladesh Bureau of Statistics. Statistics and Informatics Division (SID). Ministry of Planning, Government of the Peoples Republic of Bangladesh, Dhaka; 2012.
BBS: Yearbook of Agricultural Statistics. Bangladesh Bureau of Statistics. Statistics and Informatics Division (SID). Ministry of Planning, Government of the Peoples Republic of Bangladesh, Dhaka; 2013.
BBS: Yearbook of Agricultural Statistics. Bangladesh Bureau of Statistics. Statistics and Informatics Division (SID). Ministry of Planning, Government of the Peoples Republic of Bangladesh, Dhaka; 2014
BBS: Yearbook of Agricultural Statistics. Bangladesh Bureau of Statistics. Statistics and Informatics Division (SID). Ministry of Planning, Government of the Peoples Republic of Bangladesh, Dhaka; 2015.
BBS: Yearbook of Agricultural Statistics. Bangladesh Bureau of Statistics. Statistics and Informatics Division (SID). Ministry of Planning, Government of the Peoples Republic of Bangladesh, Dhaka; 2016.
BBS: Yearbook of Agricultural Statistics. Bangladesh Bureau of Statistics. Statistics and Informatics Division (SID). Ministry of Planning, Government of the Peoples Republic of
Bangladesh, Dhaka; 2017
BBS: Yearbook of Agricultural Statistics. Bangladesh Bureau of Statistics. Statistics and Informatics Division (SID). Ministry of Planning, Government of the Peoples Republic of Bangladesh, Dhaka; 2018.
BBS: Yearbook of Agricultural Statistics. Bangladesh Bureau of Statistics. Statistics and Informatics Division (SID). Ministry of Planning, Government of the Peoples Republic of Bangladesh, Dhaka; 2019.
Fischer RA. Definitions and determination of crop yield, yield gaps, and of rates of change. Field Crops Res, 2015;182:9–18.
Stuart AM, Pame ARP, Silva JV, Dikitanan RC, Rutsaert P, Malabayabas AJB, Lampayan RM, Radanielson AM, Singleton GR.. Yield gaps in rice-based farming systems: Insights from local studies and prospects for future analysis. Field Crops Res. 2016;194:43–56.
Van Ittersum, M.K., Cassman, K.G., Grassini, P., Wolf, J., Tittonell, P., Hochman Z. Yield gap analysis with local to global Relevance - A review. Field Crops Res., 2913;143:4–17.
Lobell DB, Cassman KG, Field CB. Crop yield gaps: Their importance, magnitudes, and causes. Annu. Rev. Environ. Resour. 2009;34:179–204.
Laborte AG, De Bie K, Smaling E.M.A, Moya PF, Boling AA, van Ittersum MK. Rice yields and yield gaps in Southeast Asia: Past trends and future outlook. Eur. J. Agron. 2012;36:9–20.
Senthilkumar K, Rodenburg J, Dieng I., Vandamme E., Sillo FS., Johnson JM., Rajaona A., Ramarolahy JA., Gasore R, Abera BB.. Quantifying rice yield gaps and their causes in Eastern and Southern Africa. J. Agron. Crop Sci. 2020;206:478–490.
Tanaka A, Diagne M, Saito K. Causes of yield stagnation in irrigated lowland rice systems in the Senegal River Valley: Application of dichotomous decision tree analysis. Field Crops Res. 2015;176: 99–107.
Tanaka A, Johnson JM, Senthilkumar K, Akakpo C, Segda Z, Yameogo LP, Bassoro I, Lamare DM, Allarangaye MD, Gbakatchetche H. On-farm rice yield and its association with biophysical factors in sub-Saharan Africa. Eur. J. Agron., 2017;85:1–11.
Van IMK., Rabbinge R.Yield gap analysis with local to global relevance-a review. Field Crops Res. 2013;52(3):197–208.
Mueller ND, Gerber JS, Johnston M, Ray DK, Ramankutty N, Foley JA. closing yield gaps through nutrient and water management. nature, 2012;490:254–257. Available:https://doi.org/10.1038/nature11420
Kerlinger T. Foundations of behavioural research: Educational and psychological inquiry, New York: Holt, Richart and Winston, Inc; 1993.
Bdmaps.. Maps of Bangladesh Maps & Travel information of Bangladesh;2011. Available:https://www.google.com/search?q=Map+showing+study+locations+in+Jhikargacha+Upazila+under+Jashore+District+(Bdmaps%2C+2011)&oq=Map+showing+study+locations+in+Jhikargacha+Upazila+under+Jashore+District+(Bdmaps%2C+2011)&aqs=chrome..69i57.905j0j15&sourceid=chrome&ie=UTF-8
Islam MA. Yield gap in modern Boro rice cultivation at farmers’ level in Fulbari upazila, Kurigram of Bangladesh. Ph.D. Thesis. Department of Agricultural Extension Education, Bangladesh Agricultural University, Mymensingh; 2007.
Agri-Farming: Fertilizer Management in Brinjal/Eggplant: Organic, Compost, Hoe and When to; 2022.
Siddiky MA, Halder NK, Islam Z, Masud MM.. Performance of Brinjal as Influenced by Boron and Molybdenum. Asian Journal of Plant Sciences. 2007;2:389-393, DOI: 10.3923/ajps.2007.389.393
Abegunrin TP, Awe GO, Ateniola KO.. Soil Amendment for Vegetable Production: An Example with Cow Dung Manure and Eggplant (Solanum melongena). International Journal of Current Microbiology and Applied Sciences ISSN: 2319-7706 2016;5(8):901-915. Avaialble:http://dx.doi.org/10.20546/ijcmas. 2016.508.102
Ikisan. 2022. Brinjal- Nutrient Management, Available:http://www.ikisan.com/tn-brinjal-nutrient-management.html
Pushpa, Srivastava SK.: Yield gap analysis and the determinants of yield gap in major crops in the eastern region of Uttar Pradesh. New Delhi Publishers, Economic Affairs; 2014 DOI: 10.5958/0976-4666.2014.00039.4
Rokonuzzaman M, Islam MA. Farmers training need for increased yield of boro rice grown in haor areas of Sunamgonj. J. Sylhet Agril. Univ. 2017;4(1):87-93. ISSN: 2308-1597.
Rahman M. Profitability and resource use efficiency of brinjal cultivation in some selected areas of Satkhira district. MS Thesis, Department of Development & Poverty Studies, Sher-E-Bangla Agricultural University, Sher-E-Bangla Nagar, Dhaka-1207; 2018.
Dhaka Tribune 2020: Bangladesh’s per capita income rises to $2,064. https://archive.dhakatribune.com/business/economy/2020/08/11/bangladesh-s-per-capita-income-at-2-064-for-fy20
Rahman MZ, Kabir H, Khan M: A study on brinjal production in Jamalpur district through profitability analysis and factors affecting the production. Bangladesh Agril. Univ. 2016;14(1):113–118, ISSN 1810-3030.
Singla R, Kaur G. Role of women in vegetable production in district Patiala. Asian J. Home Sci. 2016;11(2):335-340.
DOI: 10.15740/HAS/AJHS/11.2/335-340
Kashem MA, Miah MAM, Islam MA, Roy PC. Factors Responsible for Yield Gap of Wheat at Farmers’ Field in Two Districts of Bangladesh. Progress. Agric. 2012; 23(1&2):91-99.
Mithun NAS.: exploring farmers’ attitudes towards yield gap minimization of rice: A Case From Mymensingh District, Bangladesh. Socio Economy and Policy Studies (SEPS) 2022;2(1):14-20.
DOI:http://doi.org/10.26480/seps.01.2022.14.20
BBS: Yearbook of Agricultural Statistics. Bangladesh Bureau of Statistics. Statistics and Informatics Division (SID). Ministry of Planning, Government of the Peoples Republic of Bangladesh, Dhaka; 2020.