scholarly journals SYSTEM DYNAMIC FRAMEWORK: INCREASING PRODUCTIVITY OF SUGARCANE TO SUPPORT SUSTAINABLE CULTIVATION

2021 ◽  
Vol 2 (2) ◽  
pp. 105-109
Author(s):  
Hawwin Mardhiana ◽  
Erma Suryani ◽  
Ully Asfari ◽  
Muhammad Nasrullah
Keyword(s):  
Production Efficiency ◽  
Smallholder Farmers ◽  
Sugar Industry ◽  
Raw Material ◽  
Sugarcane Production ◽  
Dynamic Framework ◽  
Simulation Scenario ◽  
Sustainable Cultivation ◽  
Sugarcane Productivity

Sugarcane as a raw material for producing sugar is a strategic agricultural commudity in economy and sugar industry. With the increase of population, the consumption and demand for sugar will also increase and this causes domestic sugar production to be unfulfilled. Some problem that arise in this commodity include sugarcane productivity and yields are not optimal, how to increase farmer’s income from the residue of the sugarcane harvesting. To achieve the basic need of domestic sugar, it is necessary to increase land productivity and sugarcane production in order to support the sustainable of sugarcane cultivation. The result of study show simulation scenario of intensification of the use of quality seeds, the productivity of sugarcane increased by 1.03% per year and increased sugarcane production in smallholder farmers’ gardens. PBN production increased by an average of 0.96% per year and PBS increased by an average of 1.52 per year. In addition, there is a scenario of utilizing residual crops in the form of silsage and biobriquette in year 2030. This study took a case study at PT. PTPN X Surabaya City which represents the East Java area. The harvested areas used in this study are People’s Plantation (PR), National Large Plantation (PBN) and Private Large Plantation (PBS). This study uses a key focus area of sugarcane cultivation to increase sugarcane productivity and production efficiency and support sustainable cultivation.

scholarly journals Hot Compressed Water Pretreatment and Surfactant Effect on Enzymatic Hydrolysis Using Agave Bagasse

Energies ◽  
2021 ◽  
Vol 14 (16) ◽  
pp. 4746
Author(s):  
Marcela Sofia Pino ◽  
Michele Michelin ◽  
Rosa M. Rodríguez-Jasso ◽  
Alfredo Oliva-Taravilla ◽  
José A. Teixeira ◽  
...  
Keyword(s):  
Enzymatic Hydrolysis ◽  
Production Efficiency ◽  
Alcoholic Beverage ◽  
Enzymatic Saccharification ◽  
Raw Material ◽  
Tween 20 ◽  
Ionic Surfactants ◽  
Peg 400 ◽  
Water Pretreatment ◽  
Hot Compressed Water

Agave bagasse is a residual biomass in the production of the alcoholic beverage tequila, and therefore, it is a promising raw material in the development of biorefineries using hot compressed water pretreatment (hydrothermal processing). Surfactants application has been frequently reported as an alternative to enhance monomeric sugars production efficiency and as a possibility to reduce the enzyme loading required. Nevertheless, the surfactant’s action mechanisms in the enzymatic hydrolysis is still not elucidated. In this work, hot compressed water pretreatment was applied on agave bagasse for biomass fractionation at 194 °C in isothermal regime for 30 min, and the effect of non-ionic surfactants (Tween 20, Tween 80, Span 80, and Polyethylene glycol (PEG 400)) was studied as a potential enhancer of enzymatic saccharification of hydrothermally pretreated solids of agave bagasse (AGB). It was found that non-ionic surfactants show an improvement in the conversion yield of cellulose to glucose (100%) and production of glucose (79.76 g/L) at 15 FPU/g glucan, the highest enhancement obtained being 7% regarding the control (no surfactant addition), using PEG 400 as an additive. The use of surfactants allows improving the production of fermentable sugars for the development of second-generation biorefineries.

scholarly journals Can local nutrient-circularity and erosion control increase yields of resource-constraint smallholder farmers? A case study in Kenya and Uganda

2021 ◽  
pp. 128510
Author(s):  
Arabel Amann ◽  
Mathew Herrnegger ◽  
Jeninah Karungi ◽  
Allan John Komakech ◽  
Hope Mwanake ◽  
...  
Keyword(s):  
Smallholder Farmers ◽  
Erosion Control ◽  
Resource Constraint

scholarly journals Factors Influencing Smallholder Crop Diversification: A Case Study of Manicaland and Masvingo Provinces in Zimbabwe

2016 ◽  
Vol 3 (2) ◽  
pp. 1 ◽  
Author(s):  
Lighton Dube
Keyword(s):  
Smallholder Farmers ◽  
Diversity Index ◽  
Tobit Model ◽  
Crop Diversification ◽  
Factors Associated ◽  
Head Of Household ◽  
The Mean ◽  
Female Headed Households ◽  
Extension Support

<p>This study analyzes the degree of crop diversification and factors associated with crop diversification among 479 smallholder farmers in Manicaland and Masvingo provinces of Zimbabwe. The Herfindahl index used to estimate diversification, while the Tobit model evaluated factors associated with crop diversification.  The mean crop diversity index is 0.54. On average households in Nyanga and Bikita are the most diversified with indices of 0.48 and 0.49 respectively. The most specialized households are in Mutasa and Chiredzi with indices of 0.62. An analysis by gender shows that male headed households are slightly more diversified than female headed households. The Tobit model indicates that gender of head of household, education, number of livestock units, access to irrigation, membership to a farmers group, access to markets, farming experience, farms on flat terrain, farmer to farm extension, routine extension, agro-ecological zone and household income are significant contributors to increasing crop diversification. In turn, crop specialization is significantly associated with off-farm employment, soil fertility, farmers who are happy with extension contacts per year, farmers trained using the farmer field school approach and farmers who receive NGO extension support.</p>

Building insurance through an NGO

2016 ◽  
Vol 76 (1) ◽  
pp. 119-139 ◽  
Author(s):  
Marie-Christine Bélanger
Keyword(s):  
Design Methodology ◽  
Smallholder Farmers ◽  
Crop Insurance ◽  
Specific Training ◽  
Close Collaboration ◽  
Agricultural Insurance ◽  
Content Type ◽  
Level Of Education ◽  
Challenges And Opportunities

Purpose – This paper is based on a crop insurance implementation currently undergoing in Haiti. The purpose of this paper is to present the development of a program tailored to rice production in the Artibonite Valley, the challenges and opportunities that are arising from the exercise as well as pitfalls and ways to avoid them. Design/methodology/approach – The Système de Financement et d’Assurances Agricoles en Haïti’s approach for the development of crop insurance is in accordance with 13 concepts considered essential in the implementation of agricultural insurance programs. The case study is presented through each of these 13 fundamental concepts. Findings – The paper provides an insight on challenges any organization will face when implementing crop insurance for smallholder farmers. It points out notably that close collaboration of executing agencies with local partners is essential from data collection through insurance development and delivery and that all participants should receive a specific training tailored to their level of education and understanding. Social implications – Haiti is one of the poorest countries on the planet. Smallholder farmers could benefit a lot from crop insurance. It could help them stabilize their income when facing crop losses due to natural hazards or uncontrollable natural events. Originality/value – This paper fulfills an identified need to share real case studies exposing challenges faced when implementing crop insurance for smallholder farmers.

Dynamic Framework for Intelligent Control of River Flooding: Case Study

2014 ◽  
Vol 140 (2) ◽  
pp. 258-268 ◽  
Author(s):  
Arturo S. Leon ◽  
Elizabeth A. Kanashiro ◽  
Rachelle Valverde ◽  
Venkataramana Sridhar
Keyword(s):  
Intelligent Control ◽  
River Flooding ◽  
Dynamic Framework

Thermal Evaluation of Shell and Tube Heat Exchangers in the Sugar Industry: Case Study

Sugar Tech ◽  
2021 ◽  
Author(s):  
Thalyne de Almeida Ferreira Rocha ◽  
Altair Marques da Silva
Keyword(s):  
Heat Exchangers ◽  
Sugar Industry ◽  
Shell And Tube

ENVIRONMENTAL ISSUES OF SURFICIAL URANIUM DEPOSITS: OUM DHEROUA CASE STUDY (ISLAMIC REPUBLIC MAURITANIA)

2021 ◽  
Author(s):  
Mariia Kurylo ◽  
Ivan Virshylo
Keyword(s):  
Clean Energy ◽  
Raw Material ◽  
Open Pit ◽  
Open Pit Mining ◽  
Material Base ◽  
Uranium Deposits ◽  
Islamic Republic ◽  
Natural Ecosystems ◽  
Lower Estimation

Uranium deposits and resources are considered as an important raw material base for the implementation of scenarios for the green and clean energy transition. Traditionally discussed risks of potential environmental impacts of Uranium projects development could be subdivided by deposit type. Surficial type mineralization connected to the calcretes in shallow paleovalleys or playas has many specific features which might be analysed separately. Case study of Oum Dheroua Uranium project in the Islamic Republic of Mauritania shows an unexpected lower estimation of environmental risks comparatively to conventional Uranium projects despite to open-pit mining technology. The reasons for such estimation, connected to geographic location, the inclusion of Uranium minerals in natural ecosystems and low scale of deposits (both in grade and size sense). Potential by-products (Vanadium and Strontium) are not part of environmental factors assessment.

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