scholarly journals Value chain of sweet potato: a sociological analysis

2021 ◽  
Vol 892 (1) ◽  
pp. 012031
Author(s):  
C Cerio
Keyword(s):  
Sweet Potato ◽  
Value Chain ◽  
Role Theory ◽  
Participant Observation ◽  
Well Being ◽  
Potato Production ◽  
The Philippines ◽  
Sweet Potatoes ◽  
General Production ◽  
Exchange Network

Abstract This study analyzes the existing value chain of sweet potatoes in the Partido District of Camarines Sur, the Philippines. A combination of surveys and participant observation was utilized in the study. Four sociological perspectives were used in the interpretation and analysis of the data, such as new economic sociology, symbolic interactionism, role theory, and exchange network theory. Six components of the value chain were evaluated, such as (a) agents, roles, and links; (b) inputs, outputs and activities that generate transformation; (c) value addition and value allocation; (d) final products or a group of final products; (e) power relations and governance mechanisms; and (f) problems and opportunities shared by all agents. The study found four major links involving five actors – farmers/producers, middlemen or wholesalers, retailers, processors, and end consumers. Analysis of the sweet potato value chain shows that sweet potato production has great potential to improve the well-being of participants. Sweet potato production gave farmers an 81% net profit margin and contributed to 39% of their livelihood. However, there remain general production and utilization challenges and post-harvest and by-product processing issues. The study established the significance of embeddedness and the wider social structure for the sweet potato agribusiness and provided policy inputs for the development of the sweet potato value chain in the district.

scholarly journals Food Security and Income through Sweet Potato Production in Teso, Uganda

2017 ◽  
Vol 7 (1) ◽  
pp. 146
Author(s):  
William Faustine Epeju ◽  
Peter Milton Rukundo
Keyword(s):  
Food Security ◽  
Sweet Potato ◽  
Quantitative Methods ◽  
Potato Production ◽  
Grain Legumes ◽  
Agricultural System ◽  
Sweet Potatoes ◽  
Sustainable Food ◽  
Qualitative And Quantitative Methods ◽  
Adequate Food

Two relevant studies on food security are referred to in the article. Food insecurity from time to time threatens in Teso sub region which houses a viable Teso agricultural system. One study was done during 2001-2003 in Teso on sweet potato production with 650 persons participating and the second one was done in one disaster affected area of Bududa District nearby during 2012-2016 when 1,142 persons participated. Kiryandongo District where Bududa landslide survivors were resettled in Uganda was included in that study. Participatory methods such as focus group discussions, farm observations, in-depth interviews, and questionnaires were used. Both studies used qualitative and quantitative methods for data analysis. The sweet potato stands second after cassava as the crop for famine and disaster periods in Teso to meet the human right to adequate food to complement the well dried cereals & grain legumes that stored longer. Livestock especially was also one of the prime determinants of food security and income in Teso. Free from cyanides with a good content of affordable Vitamin A from orange fleshed varieties, sweet potatoes in Teso contributed about 61% to the yearly food per capita of the population thus a recommendable crop for sustainable food security and some income in Teso and beyond. 

scholarly journals The Development and Promotion of Sweet Potato Yoghurt in Ghana: Implications for Sustainable Production and Consumption Policies

2020 ◽  
Vol 12 (8) ◽  
pp. 3336
Author(s):  
Eunice Adu Donkor ◽  
Emmanuel Donkor ◽  
Enoch Owusu-Sekyere ◽  
Victor Owusu
Keyword(s):  
Sweet Potato ◽  
Value Chain ◽  
Practical Implication ◽  
Food Product ◽  
Sustainable Production ◽  
Sweet Potatoes ◽  
Production And Consumption ◽  
Hedonic Modeling ◽  
Nutritional Benefits ◽  
Contingent Valuation Methods

This paper analyzes how a newly developed food product (potagurt) with nutritional and health benefits can be promoted in Ghana. We employ the hedonic modeling and contingent valuation methods to estimate monetary values attached to the product’s attributes using 400 consumers in the Ashanti, Eastern, and Greater Accra regions of Ghana. The findings reveal that consumers have positive perceptions on the health and nutritional benefits of the product. Buyers place a higher value on potagurt relative to normal yogurt. The high value attached to potagurt is mainly linked to the health, nutritional, food safety, and quality attributes of the product, as well as perception. Consumers’ socioeconomic factors such as income, educational, and awareness levels also play a significant role in explaining their choice of the product. The practical implication is that the development and promotion of potagurt could stimulate sustainable economic development through better consumer health and improvement in the livelihoods of many players in the sweet potato value chain, especially the producers of potagurt and sweet potato farmers. We conclude that the promotion of the innovative food product could contribute to sustainable production and consumption of sweet potatoes.

scholarly journals A value chain analysis of sweet potato commodity marketing

2021 ◽  
Vol 24 (1) ◽  
pp. 99-116
Author(s):  
Waridin Waridin ◽  
Zulfikar Al- Hafidz
Keyword(s):  
Sweet Potato ◽  
Value Chain ◽  
Agricultural Product ◽  
Purchasing Power ◽  
Value Chain Analysis ◽  
Snowball Sampling ◽  
Sweet Potatoes ◽  
Farmers Market ◽  
Chain Analysis ◽  
Marketing Chains

A thorough analysis of farmers’ purchasing power is very important because of agricultural products’ unique characteristics that likely position farmers more vulnerably. In this respect, we seek to anayze farmers’ purchasing power and market conditions of an agricultural product (sweet potatoes) by using the value chain and SCP (structure, conduct, performance) analyses. This study is administered in Bergas Sub-district, Semarang Regency that exhibit high potentials of sweet potato products. Our research sample are farmers, marketing institutions, and governments that are selected with the purposive sampling and snowball sampling methods. The results show that sweet potatoes marketing in this sub-district has four marketing channels and the market structure is oligopoly. The concentration ratio (CR4) of 0.52 indicates that the market has weak concentration with the Minimum Efficiency Scale (MES) score of 65%, implying that new competitors are obstructed to enter the market. Further, the fourth market channel has efficient marketing system performance with the marketing margin of Rp 1,500/ kg and farmers’ market share of 57.14%. Overall, our results suggest that farmers have to select short marketing chains and sell their products to final consumers.

scholarly journals Food security, sweet potato production, and proximity to markets in northern Ghana

FACETS ◽  
2017 ◽  
Vol 2 (2) ◽  
pp. 919-936
Author(s):  
Leland Glenna ◽  
Yetkin Borlu ◽  
Thomas Gill ◽  
Janelle Larson ◽  
Vincent Ricciardi ◽  
...  
Keyword(s):  
Food Security ◽  
Sweet Potato ◽  
Market Access ◽  
High Technology ◽  
Well Being ◽  
External Input ◽  
Northern Ghana ◽  
Social Infrastructure ◽  
Sweet Potatoes ◽  
Technology Market

Debates concerning how to achieve food security tend to fall into one of two camps. The first is that high-technology, market-oriented approaches promise to enhance agricultural productivity and improve food security. The counterargument is that low-technology approaches, when combined with building social and physical infrastructure, are more effective at meeting people’s food needs. Using a survey of 540 farm households in northern Ghana, we assess the level of food security for smallholders by analyzing the influence of a low-technology and low-external-input approach, such as sweet potatoes, and that of the production of an improved, commercially produced crop, such as rice. We also measure the influence of market access. Our results indicate that sweet potato producers are more likely to be food secure than commercial rice producers. However, the proximity to and interaction with markets is also associated with farmer food security, even when controlling for measures of prosperity. These findings suggest that low-technology approaches and high-technology, market-oriented approaches should not be treated as diametrically opposed to each other. Enhancing smallholder production of low-technology staple crops like sweet potatoes is likely to improve well-being. At the same time, interventions to build the physical and social infrastructure necessary to enable market participation would also be likely to enhance smallholder well-being.

Sweet potato production in a short-season area utilizing black plastic mulch: effects of cultivar, in-row plant spacing, and harvest date on yield parameters

2016 ◽  
Vol 96 (1) ◽  
pp. 139-147
Author(s):  
David Wees ◽  
Philippe Seguin ◽  
Josée Boisclair
Keyword(s):  
Sweet Potato ◽  
Ipomoea Batatas ◽  
Potato Production ◽  
Harvest Date ◽  
Root Weight ◽  
Base Temperature ◽  
Plant Spacing ◽  
Plastic Mulch ◽  
Sweet Potatoes ◽  
Black Plastic

The sweet potato (Ipomoea batatas (L.) Lam.) requires a long, hot growing season to attain good yields. In a cool climate, the use of black plastic mulch to heat the soil can improve growth but cultivars, plant spacing, and harvest date must be carefully selected to optimize yields and to attain market quality standards. In this two-year study in Quebec, Canada, two sweet potato cultivars (‘Georgia Jet’ and ‘Beauregard’) were grown at four in-row spacings (15, 30, 45, and 60 cm) and harvested at three dates (mid September, late September, and early October). Cumulative growing degree-days (GDD) with base temperatures of 10°C and 15.5°C were calculated for each harvest date. ‘Georgia Jet’ had higher total and marketable yields than ‘Beauregard’. In-row spacing had no effect on yields per hectare of ‘Beauregard’ and only affected ‘Georgia Jet’ in one year of the study. Average root weight of sweet potatoes, yields per plant, and number of roots per plant increased with wider spacing. Delaying harvest by one or two weeks had little effect on ‘Beauregard’ but increased yields of ‘Georgia Jet’. GDD may be a useful predictor of optimum harvest date but a lower base temperature used to calculate GDD may be desirable with ‘Georgia Jet’ as its yields continued to increase even when growing under cool conditions of late September and early October.

scholarly journals Penerapan Model Geographically Weighted Regression(GWR) Pada Produksi Ubi Jalar

2018 ◽  
Vol 1 (1) ◽  
pp. 52
Author(s):  
Yuliana Susanti
Keyword(s):  
Regression Model ◽  
Sweet Potato ◽  
Geographically Weighted Regression ◽  
Potato Production ◽  
Weighted Regression ◽  
Soil Conditions ◽  
Sweet Potatoes ◽  
Irian Jaya ◽  
Geographically Weighted Regression Model ◽  
Gwr Model

Sweet potatoes are a major source of carbohydrate, after rice, corn, and cassava. Sweet potato is consumed as an additional or side meal, except in Irian Jaya and Maluku, sweet potato is used as staple food. The main problem faced in increasing sweet potato production is still relies on certain areas, namely Java Island, as the main producer of sweet potato. Differences in production is what often causes the needs of sweet potato in various regions can not be fulfilled and there is a difference price of sweet potato. To fulfill the needs of sweet potato in Java, mapping areas of sweet potato production need to be made so that areas with potential for producing sweet potato can be developed while areas with insufficient quantities of sweet potato production may be given special attention. Due to differences in production in some areas of Java which depend on soil conditions, altitude, rainfall and temperatures, a model of sweet potato production will be developed using the GWR model. Based on the Geographically weighted regression model for each regencies / cities in Java Island, it can be concluded that the largest sweet potato production coming from Kuningan with R2 equal 99.86%.<br />Keywords : Geographically weighted regression, model, sweet potato

scholarly journals Factors Affecting the Production of Sweet Potatoes in Semarang District

2019 ◽  
Vol 2 (1) ◽  
pp. 282-289
Author(s):  
Trias Purnomo
Keyword(s):  
Sweet Potato ◽  
Significant Influence ◽  
Least Square Method ◽  
Potato Production ◽  
Least Square ◽  
Land Area ◽  
Sweet Potatoes ◽  
Factors Affecting ◽  
Ordinary Least Square ◽  
Factors Of Production

The purpose of this research is: 1) To know the description of sweet potato farming in Semarang regency in economic terms. 2) To know and analyze the influence of the factors of production (land area, labor, seeds, fertilizer) to production of sweet potato in Semarang regency. 3) To know and analyze the influence of all factors of production (land area, labor, seeds, fertilizer) together to production of sweet potato in Semarang Regency. This research type is descriptive research by using quantitative approach. Independent variables in this study are land area, labor, fertilizer and seedlings. While the dependent variable is the production of sweet potato. The method of analysis used in this research is multiple regression analysis with OLS (Ordinary Least Square) method. The results of this study indicate that the variable land area has a positive and significant influence with the coefficient of 0.67. Labor variable has positive and significant influence with coefficient value of 0.28. While variable of fertilizer and seedlings do not have a significant influence on sweet potato production. Variable land area, labor, fertilizer and seedlings together have a significant influence on productivity of sweet potato in Semarang regency. Tujuan dari penelitian ini adalah: 1) Untuk mengetahui gambaran usahatani ubi jalar di Kabupaten Semarang secara ekonomi. 2) Untuk mengetahui dan menganalisis pengaruh faktor-faktor produksi (luas lahan, tenaga kerja, benih, pupuk) terhadap produksi ubi jalar di Kabupaten Semarang. 3) Untuk mengetahui dan menganalisis pengaruh semua faktor produksi (luas lahan, tenaga kerja, benih, pupuk) secara bersama-sama terhadap produksi ubi jalar di Kabupaten Semarang. Jenis penelitian ini adalah penelitian deskriptif dengan menggunakan pendekatan kuantitatif. Variabel independen dalam penelitian ini adalah luas lahan, tenaga kerja, pupuk dan bibit. Sedangkan variabel terikatnya adalah produksi ubi jalar. Metode analisis yang digunakan dalam penelitian ini adalah analisis regresi berganda dengan metode OLS (Ordinary Least Square). Hasil penelitian ini menunjukkan bahwa variabel luas lahan memiliki pengaruh positif dan signifikan dengan koefisien 0,67. Variabel tenaga kerja memiliki pengaruh positif dan signifikan dengan nilai koefisien 0,28. Sedangkan variabel pupuk dan bibit tidak memiliki pengaruh yang signifikan terhadap produksi ubi jalar. Variabel luas lahan, tenaga kerja, pupuk dan bibit secara bersama-sama memiliki pengaruh yang signifikan terhadap produktivitas ubi jalar di Kabupaten Semarang.

scholarly journals Design of Cilembu Sweet Potato Cleaning Machine

2019 ◽  
Vol 9 (2) ◽  
pp. 5054-5058
Keyword(s):  
Sweet Potato ◽  
Performance Test ◽  
Production Capacity ◽  
Engine Performance ◽  
Performance Testing ◽  
Potato Production ◽  
Angle Of Repose ◽  
Sweet Potatoes ◽  
Local Product ◽  
Cleaning Machine

Sweet potato is a food local product that it is very popular in domestic and foreign consumers. This is because the unique sweetness taste when consumed directly by the consumers. Cilembu Village, in Sumedang is a center of sweet potato production which has been exported to Malaysia, Japan, Korea and Singapore with a production capacity of 10 ton.ha-1 . Unfortunateyl, sweet potatoes cleaning process is still low, with about 50 kg.day-1 - 70 kg.day-1 because of it’s manually and conventional processed. In order to increase the cleaning capacity, it was neccesary to do the the research of sweet potato cleaning machine technology . The aim of this study was to design a prototype of sweet potato cleaning machine with a capacity of 100 kg.hr-1 . The method conducted in this research was engineering design with observation of research, characteristics with sweet potato, design criteria, functional and structural design, figure design, technical analysis, mechanism process, functional machine and performance test. The measurement results of sweet potato showed that the bulk density, angle of repose, roundness are 562.52 kg.m -3 , 70.500 , 0.1. The clening machine prototype was produced with dimension of 400 mm (length) x 490 mm (height) x 400 mm (width) with a power source generator using 1 HP electric motor. The resulted of sweet potato cleaning machine functional test showed that actual capacity was 103 kg.hr-1 . In general, the results of engine performance testing can be concluded that the machine can function properly, which can clean sweet potatoes from soil dirt

Sweet Potato Yield Reduction Caused by Reniform Nematode in the Mississippi Delta

2007 ◽  
Vol 8 (1) ◽  
pp. 2 ◽  
Author(s):  
Craig A. Abel ◽  
Larry C. Adams ◽  
Salliana R. Stetina
Keyword(s):  
Sweet Potato ◽  
Potato Production ◽  
Yield Reduction ◽  
Nematode Control ◽  
Reniform Nematode ◽  
Rotylenchulus Reniformis ◽  
Sweet Potatoes ◽  
Pronounced Difference ◽  
The Difference ◽  
Reniform Nematodes

A study was conducted to determine the effect of variable reniform nematode, Rotylenchulus reniformis Linford and Oliveira, population densities on sweet potato production. In 2003, post-harvest soil samples revealed that nematicide-treated plots had 1019 ± 257.2 reniform nematodes per 500 cm3 sample of soil compared to 2255 ± 383.3 for untreated plots. There were 1057 kg/ha more marketable sweet potato harvested from the nematicide-treated plots compared to the control. In 2004, there were fewer nematodes in the nematicide-treated plots at pre-planting, mid-season, and pre-harvest, with the most pronounced difference occurring at mid-season with 927 nematodes per 500 cm3 sample of soil in the nematicide untreated plots compared to 140 for the treated plots. The difference in nematode levels resulted in a 996-kg/ha increase in US #1 sweet potatoes harvested from nematicide-treated plots compared to the untreated plots. In 2005, two nematicides, K-PAM and Temik, were not different in their level of nematode control during the growing season, however, there was an increase in US #1 class sweet potatoes produced from the Temik-treated plots when compared to K-PAM. Both nematicide treatments produced more US #1 sweet potatoes when compared to a Lorsban control and an untreated control. Accepted for publication 13 September 2007. Published 15 November 2007.

scholarly journals Pemanfaatan Potensi Lokal Ubi Jalar dan Labu Kuning untuk Meminimalisasi Penggunaan Tepung Gandum dalam Pembuatan Aneka Kue

2019 ◽  
Vol 5 (3) ◽  
pp. 232-238
Author(s):  
Andi Nur Faidah Rahman ◽  
Mulyati M. Tahir ◽  
Jumriah Langkong
Keyword(s):  
Sweet Potato ◽  
Community Service ◽  
Wheat Flour ◽  
Nutritional Value ◽  
Economic Value ◽  
Potato Production ◽  
Sweet Potatoes ◽  
Plastic Packaging ◽  
South Sulawesi ◽  
And Training

Takalar District is one of the areas in South Sulawesi with its superior product that is sweet potato. Sweet potato production in this area is quite abundant but has not been utilized properly. This activity aimed to utilize the abundant local potential in making various cakes to minimize the use of wheat flour. The method used was counseling and training. The activity was carried out in Tala, Sombalabella Village, Pattalassang Subdistrict, Takalar District. Participants amount are 25 peoples consisting of cake traders and housewives who are not economically productive. The activity was carried out with two sessions, that is material present and practice. Based on the results of participant's questionnaires, there was an increase in the knowledge of the participants up to 80, the participants already knew how to utilize the potential of sweet potatoes and pumpkin in their area to have higher economic value. In addition there was an increase in the skills of the participants up to 92 in processing sweet potatoes and pumpkin into a variety of cakes such as donuts, panada, and fried bread as well as participants skilled in packaging products with vacuum and non-vacuum plastic packaging. Community service activities from the economic side can increase people's income, and from the health side can add the nutritional value of the community from that various cakes produced.

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