scholarly journals Advances in Rice Postharvest Loss Reduction Strategies in Africa through Low Grade Broken Rice Fractions and Husk Value Addition

2021 ◽  
Author(s):  
Danbaba Nahemiah ◽  
Iro Nkama ◽  
Idakwo Paul Yahaya ◽  
Mamudu Halidu Badau ◽  
Aliyu Umar
Keyword(s):  
Rice Husk ◽  
Low Grade ◽  
Value Addition ◽  
Public And Private ◽  
Postharvest Losses ◽  
Broken Rice ◽  
Reduction Strategies ◽  
High Yielding Varieties ◽  
Future Direction ◽  
Postharvest Loss

Paddy production in African is increasing at a significantly impressive rate due to increased public and private sector investment, the introduction of high yielding varieties and improved production practices. But about 40% or more of this quantity does not reach the table of consumers largely due to post-harvest losses. These losses are subdivided into physical grain loss (PGL) and grain quality loss (GQL). Efforts towards reducing these losses through valorisation of low quality rice and processing by-products has received attention over the last few years. Innovative development and out scaling of simple, cost effective, adoptable and well-defined practical technology to convert low grade milled rice to nutrient dense value-added products that could be used for family meals or weaning purposes and utilization of rice husk for energy is the new way to go. This paper reviews major advance made especially by the Africa-Wide Taskforce on rice processing and value addition and its partners in developing strategies for minimizing postharvest loss in Africa through the development of technologies for utilization of broken rice fractions and rice husk to reduce postharvest losses. Major challenges mitigating the adoption of this technologies and possible opportunities in the rice postharvest value chain that can attract investment for the improvement of rice production and reduction in rice postharvest losses are also outlined. This synthesis we believe will help in providing future direction for research and support for sustainable rice postharvest system in Africa.

scholarly journals Evaluating the user perceived usefulness of Enterprise Social Networking

2021 ◽  
Author(s):  
◽  
Naveen Vaseegaran
Keyword(s):  
Social Networking ◽  
Ease Of Use ◽  
Perceived Usefulness ◽  
Philosophical Approach ◽  
Public And Private ◽  
User Adoption ◽  
Social Nature ◽  
Private And Public ◽  
Future Direction ◽  
Public And Private Sector

<p>This paper aims to identify user perceived usefulness of enterprise social networking within the public and private sector of Wellington NZ. It aims at determining the specific factors that appeal to enterprise social networking users. This paper first outlines the global trend towards enterprise social networking based on academia and IT industry papers. It draws parallels between ESN and KM to better understand the unique attributes of ESN. In particular it brings to focus the social nature of ESN and the use of modern technologies that facilitate ease of use. It also highlights the community nature of ESN and its importance in managing knowledge security, quality, trust and sense of sharing. These dimensions help form the basis on which the interview questions are based. Anti- positivism philosophical approach is used to peer into user perceptions and make sense of the research findings.  Qualitative data shall be gathered through interviews. 7 participants will be involved in the interviews. Participants will be a mixture of MIM students and IT professionals employed within the private and public sector.  The outcome of this study is to better understand contemporary views on the topic and shape future direction in better dissemination of enterprise social networking in the local industry. The focus on what the user perceived usefulness of social networking within wellington will give insights into user adoption strategies for enterprise social networking.</p>

scholarly journals Evaluating the user perceived usefulness of Enterprise Social Networking

2021 ◽  
Author(s):  
◽  
Naveen Vaseegaran
Keyword(s):  
Social Networking ◽  
Ease Of Use ◽  
Perceived Usefulness ◽  
Philosophical Approach ◽  
Public And Private ◽  
User Adoption ◽  
Social Nature ◽  
Private And Public ◽  
Future Direction ◽  
Public And Private Sector

<p>This paper aims to identify user perceived usefulness of enterprise social networking within the public and private sector of Wellington NZ. It aims at determining the specific factors that appeal to enterprise social networking users. This paper first outlines the global trend towards enterprise social networking based on academia and IT industry papers. It draws parallels between ESN and KM to better understand the unique attributes of ESN. In particular it brings to focus the social nature of ESN and the use of modern technologies that facilitate ease of use. It also highlights the community nature of ESN and its importance in managing knowledge security, quality, trust and sense of sharing. These dimensions help form the basis on which the interview questions are based. Anti- positivism philosophical approach is used to peer into user perceptions and make sense of the research findings.  Qualitative data shall be gathered through interviews. 7 participants will be involved in the interviews. Participants will be a mixture of MIM students and IT professionals employed within the private and public sector.  The outcome of this study is to better understand contemporary views on the topic and shape future direction in better dissemination of enterprise social networking in the local industry. The focus on what the user perceived usefulness of social networking within wellington will give insights into user adoption strategies for enterprise social networking.</p>

Value Addition to the Low Grade Iron Ore Rejects

2012 ◽  
Vol 38 (4) ◽  
pp. 232-239
Author(s):  
Rajashri Karmali ◽  
Vrinda Borker ◽  
Koyar Rane ◽  
Chandrakant Naik
Keyword(s):  
Iron Ore ◽  
Low Grade ◽  
Value Addition

scholarly journals Determinants of Yam Postharvest Management in the Zabzugu District of Northern Ghana

2016 ◽  
Vol 2016 ◽  
pp. 1-9 ◽  
Author(s):  
Isaac Gershon Kodwo Ansah ◽  
Bright K. D. Tetteh
Keyword(s):  
Formal Education ◽  
Management Practices ◽  
Northern Ghana ◽  
Global Food Security ◽  
Postharvest Losses ◽  
Storage Losses ◽  
Human Element ◽  
Subsistence Farmer ◽  
Postharvest Management ◽  
Postharvest Loss

Postharvest loss reduction has received attention in many policy documents across nations to ensure global food security, particularly in developing countries. Many researchers have examined various options for reducing postharvest losses. We contribute our quota to this scientific discourse by using a different approach. We argue that the human element of managing postharvest loss is central and therefore poses the question of what are the characteristics of the farmer who manages postharvest losses better. We examine this question by using a cross section of yam farmers in the Zabzugu district in Northern Ghana and generate a proportional variable called postharvest management, which measures how effective a farmer works to reduce storage losses. We then use a fractional logistic regression model to examine the determinants of postharvest management. A significant result is that subsistence farmers manage postharvest losses better than commercial farmers. Characteristically, the farmer who effectively manages postharvest losses is a young, subsistence farmer, living in or close to a district capital with fewer household members, has attained formal education, and produces more yam. Efforts to reduce postharvest losses require the provision of access roads to remote towns or providing effective storage techniques and training on postharvest management practices.

scholarly journals Postharvest losses of bulb onion (Allium cepa L.) in selected sub-counties of Kenya

2021 ◽  
Vol 21 (02) ◽  
pp. 17529-17544
Author(s):  
CW Gathambiri ◽  
◽  
WO Owino ◽  
S Imathiu ◽  
JN Mbaka ◽  
...  
Keyword(s):  
Social Scientists ◽  
Farm Level ◽  
Postharvest Losses ◽  
Bulb Onion ◽  
Multi Stage ◽  
Level Data ◽  
Reduction Strategies ◽  
Postharvest Handling ◽  
Handling Practices ◽  
Mode Of Transport

Inappropriate postharvest practices such as unsuitable harvesting methods and inadequate curing in bulb onion lead to losses. Postharvest losses in bulb onion contribute to food and nutrition insecurity. Although Kenya has suitable environmental conditions for bulb onion production, its productivity is low, which is attributed to pre-and postharvest factors. Information on bulb onion postharvest losses and their causes in the country is scanty which limits the development of postharvest losses reduction strategies. Therefore, this study was carried out in three major bulb onion growing sub-counties of Kenya namely Mt.Elgon, Buuriand KajiadoEastto determine postharvest practices, causes, and factors influencing postharvest losses of bulb onion. A multi-stage sampling design was used to select the study areas and a total of 166respondents were randomly selected. Face-to-face interviews were conducted using a structured questionnaire to collect information on postharvest handling practices, postharvest loss levels, and their causes at farm level. Data were subjected to descriptive and logistic regression analysis using Statistical Package for Social Scientists(SPSS) software version 2.0. Results indicated that 68% of the respondents were males and with an average age of40 years in the three sites. Forty-eight percent of the respondents used leaves toppling, and 25% used drying of upper leaves as maturity indices. About 42% of the respondents used machete (panga) as a harvesting tool which significantly (P<0.05) influenced postharvest losses. Seventy seven percent of the respondents indicated that up to 30% of postharvest losses occurred at farm level. Forty percent of the respondents indicated that bulb onion rots caused 10 % loss at farm level. The level of education and mode of transport (bicycles and donkeys) significantly (P<0.05) influenced postharvest losses. It was concluded that the postharvest losses at farm levelwas30%andwere mainly caused by rotting. Socio-economic characteristics and postharvest handling practices influenced bulb onion losses at farm level. Development of postharvest losses reduction strategies on bulb onions focusing on alleviating rotting through appropriate postharvest handling practices at farm level was recommended.

scholarly journals Information Needs of Cassava Farmer-Processors on Cassava Value Addition Technologies in Oyo State, Nigeria

2021 ◽  
Vol 25 (3) ◽  
pp. 36-48
Author(s):  
Rasak B. Olajide ◽  
Lateef. O. Sanni ◽  
Godwin Atser ◽  
Alfred Dixon ◽  
Ibukunoluwa. O. Oladokun
Keyword(s):  
Low Income ◽  
Information Needs ◽  
Sampling Procedure ◽  
Farm Size ◽  
Access To Information ◽  
Sources Of Information ◽  
Value Addition ◽  
Information Gap ◽  
Multistage Sampling ◽  
Postharvest Loss

This study investigated the information needs of cassava farmer-processors on cassava value addition technologies in Oyo State, Nigeria, to ascertain areas of information gap for farmers to maximally exploit the opportunities inherent in the product value addition. Using a multistage sampling procedure, 130 registered cassava farmer-processors were sampled and interviewed. Data were collected on  respondents’ enterprise characteristics, access to information, perceived benefits and constraints to accessing information and  information needs on cassava value addition. Data were analysed using percentage, mean and correlational analysis at p=0.05. Results reveal that respondents had farm size and farming experience of 2.3 ha and 20.1±13.8 years, respectively, while income was  ₦273,784.6±₦458281.3. Though respondents were constrained with low income (70.0%), they reckoned that if they had access to  information on value addition, their postharvest loss would be reduced (89.2%). Respondents had information gap on information needs on value addition technologies for producing cassava adhesives (1st), glucose syrups (2nd) and confectionaries (3rd). Farming experience (r = -.236), constraints (r = -.288) and access to sources of information were significantly related to respondents’ information needs. It is recommended that information on improved cassava value addition technologies be made available to cassava farmers through relevant sources, especially during emergencies coupled with hands –on training for effective application of information acquired.

scholarly journals Effects of Rice Husk Biochar Coated Urea and Anaerobically Digested Rice Straw Compost on the Soil Fertility, and Cyclic Effect of Phosphorus

Plants ◽  
2021 ◽  
Vol 11 (1) ◽  
pp. 75
Author(s):  
Ashoka Gamage ◽  
Ben Basnayake ◽  
Janendra De Costa ◽  
Othmane Merah
Keyword(s):  
Soil Fertility ◽  
Rice Straw ◽  
Rice Husk ◽  
Nitrogen Fertilizer ◽  
Fertilizer Application ◽  
Rice Grain ◽  
Coated Urea ◽  
Rice Husk Biochar ◽  
High Yielding Varieties ◽  
Coated Fertilizers

Fertilizer application in rice farming is an essential requirement. Most of the high-yielding varieties which are extensively grown throughout the country require recommended levels of fertilizers to obtain their potential yields. However, effective, and efficient ways of fertilizer application are of utmost importance. Coated fertilizers are used to reduce leaching nutrients and improve the efficiency of fertilizer. However, conventional coated fertilizers such as Sulphur coated urea and urea super granules are not popular among rice farmers in Sri Lanka owing to the high cost. Mixing urea-coated rice husk biochar causes a slow release of nitrogen fertilizer. This coated fertilizer and rice straw compost reduction the cost of importations of nitrogen-based fertilizers per unit area of cultivation. The study aimed to evaluate the effects of rice husk biochar coated urea and anaerobically digested rice straw compost on the soil fertility, and the cyclic effect of phosphorus. Concerning the pot experiment, rice grain yield was significantly higher in Rice husk biochar coated urea, triple super phosphate (TSP), and muriate of potash (MOP) with anaerobically digested rice straw compost. The lowest yield was observed in the control. The release of phosphate shows a cycle effect which is an important finding. Rice husk biochar coated urea can potentially be used as a slow-releasing nitrogen fertilizer. In addition, the urea coated with biochar is less costly and contributes to mitigating pollution of water bodies by inorganic fertilizers (NPK).

scholarly journals Off-Season Flower Induction in Mango Fruits Using Ethephon and Potassium Nitrate

2017 ◽  
Vol 9 (9) ◽  
pp. 158 ◽  
Author(s):  
Stephen Maloba ◽  
Jane Ambuko ◽  
Margaret Hutchinson ◽  
Willis Owino
Keyword(s):  
Value Chain ◽  
Fruit Set ◽  
Growth Parameters ◽  
Potassium Nitrate ◽  
Flower Induction ◽  
Reproductive Growth ◽  
Ecological Zones ◽  
Postharvest Losses ◽  
Effective Strategies ◽  
Postharvest Loss

Seasonality in mango production is a major factor contributing to high postharvest losses reported in the value chain. Oversupply during the high season is one of the factors that contribute to the high postharvest losses (≥ 50%) in the supply chain in Kenya. Effective strategies to address seasonality can contribute significantly to postharvest loss reduction. Efficacy of two flower induction chemicals, potassium nitrate (KNO3) and ethephon on reproductive growth parameters and yield components were evaluated on two mango varieties: ‘Apple’ and ‘Ngowe’. KNO3 was applied at two concentrations (2 and 4%), and ethephon (600 and 1000 ppm) then compared to control (water). They were applied to trees which failed to flower/set fruit in 2014 season. There effect was established from reproductive growth parameters: days to flowering, number of panicles per tree, fruit set per 20 panicles, fruit fall and hormonal effect. KNO3 (4%) and ethephon increased percentage flowering in both ‘Ngowe’ and ‘Apple’ and AEZs (Agro-Ecological Zones), significantly (p < 0.05) shortened time to flowering and increased fruit set. The findings show that KNO3 and ethephon can be used to induce flowering/fruiting in mango fruits. These technologies can therefore be applied to induce off-season mango production to address seasonality and reduce postharvest losses during the peak season.

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