Alleviating water shortages by decreasing water footprint in sugarcane production: The impacts of different soil mulching and irrigation systems in South Africa

Adetoro, Adetoso Adebiyi; Singels, A.; Paraskevopoulos, A.; Owusu‐Sekyere, Enoch; Jordaan, Henry; Orimoloye, Israel R.

doi:10.1016/j.gsd.2020.100464

Cited by 18 publications

(3 citation statements)

References 21 publications

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“…The blue water consumption for sugarcane grown with a thick mulch cover was substantially lower than that produced with a light mulch cover. For subsurface drip-irrigated sugarcane, the blue water footprint was found 8–10 m 3 /t lower than for center pivot-irrigated sugarcane (Adetoro et al 2020 ). Under subsurface drip irrigation with freshwater and treated sewage water studied in sugarcane, Green W.F.…”

Section: Nutrient and Irrigation Water Management In The Cropping Systemmentioning

confidence: 99%

Diversification Options in Sugarcane-Based Cropping Systems for Doubling Farmers’ Income in Subtropical India

et al. 2022

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Crop diversification provides an opportunity for farmers to maximize their profits, fulfilling multiple needs, avoid monsoon threats, and make the crop production system sustainable. Inclusion of various pulse/oilseed/vegetables/cereals/medicinal/aromatic crops with sugarcane brings forth cultivation of these crops in irrigated agro-system and improves the yields of component crops. Besides, the component crops improve soil fertility and create a favorable environment for the further growth of sugarcane crops. Sprouting in winter-initiated sugarcane ratoon could be enhanced by adopting fodder legumes such as Indian clover and Egyptian clover. Intercropping vegetables provides an ample opportunity for mid-season income generation and improves profitability. Besides, high-value medicinal and aromatic crops such as tulsi (holy basil), mentha could also be included in the sugarcane-based system. Crop residue management has been recognized as a critical issue in managing the crops in the various cropping systems. Including multiple bio-agents for fast decomposition of crop residues provides scope for managing soil organic carbon through crop residue recycling in the system. Resource use efficiencies, nutrient use, water use, and weed control could be increased by adopting suitable crops in intercropping systems. An integrated farming system involving crop, livestock, and fisheries options could improve farmers’ profit besides employment generation in rural India. Recycling of bye products and co-products of other enterprises influences the viability and farmer’s profitability of the system. Trash, press mud cake, vinasse, composted bagasse, rhizodeposition of stubble play a significant role in sustaining soil fertility and increasing crop productivity. New emerging crop diversification options, viz., intercropping of rajmash , winter maize, and garlic in autumn cane generate mid-season income and enhance the system's profitability for small and marginal cane growers. Dual-purpose legumes, viz., cowpea, and green gram as intercrops with spring-planted cane increase the pool of soil microbial biomass nitrogen capitalize allelopathic effects and sustain soil health. In the present paper, these issues have been discussed. Due to the adoption of location-specific and farmers-centric systems, farmers’ profitability could be increased, providing sustainability to the sugarcane-based systems.

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Section: Nutrient and Irrigation Water Management In The Cropping Systemmentioning

confidence: 99%

Diversification Options in Sugarcane-Based Cropping Systems for Doubling Farmers’ Income in Subtropical India

et al. 2022

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“…Limited arable and land water resources are among some of the barriers to the implementation of WEF nexus. Several measures, such as the installation of greenhouses and the use of tankers to transport water to the greenhouses, have been made to address the challenges connected with limited arable and land water resources (Adedeji et al, 2020;Adetoro et al, 2020;Orimoloye et al, 2021b). Natural phenomena such as excessive rainfall caused by cyclones and other climatic events, however, pose many obstacles to the long-term viability of these programs (Martinez et al, 2018;Boluwade, 2021).…”

Section: Identified Wef Nexus Approach Practices and Barriers To Its Implementationmentioning

confidence: 99%

Water, Energy and Food Nexus: Policy Relevance and Challenges

Orimoloye

2022

Front. Sustain. Food Syst.

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Connections between water, food, and energy are at the center of long-term economic and environmental development and protection. Water, energy and food are the keys to economic input and a necessary component of economic progress. The adoption of water management policies and techniques that support the sustainable use of resources while promoting economic growth is becoming an important concern, particularly in countries where water and food scarcity are critical or problematic. This study aimed at evaluating Water, Energy and Food Nexus (WEF), and as well as challenges of its implementation. This study looked at the articles that were published on WEF nexus between 2015 and 2021 acquired from the Scopus database, focusing on gaps and implementations. I searched for relevant key terms in the database and the search found hundreds of articles on WEF, of which 28 articles were relevant to the scope of the study and these articles were downloaded as BibTeX file for the analysis and the analysis was done using R programming. A number of insights and implications were identified based on the analyses of the findings of the reviewed research in order to increase the policy relevance and overall implementation of the WEF nexus by public policy and decision-making institutions. To boost uptake of the findings, the study gives an outline of the primary constraints and challenges that restrict the policy relevance of the WEF nexus.

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“…According to Owusu-Sekyere et al, (2019), there exist heterogeneous preferences for water and carbon footprint sustainability attributes, with some being environmental sustainability activists and water sustainability advocates [29]. The findings of Adetoro et al (2020) and Adetoro et al (2021), support the notion that water-use efficiency in sugarcane production can be improved, and water footprints reduced by implementing more efficient irrigation systems [30,31].…”

Section: Introductionmentioning

confidence: 99%

Evaluation of Water Resources through Efficiency Index and Water Productivity in EU

et al. 2022

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Water presents one of the earth resources as a component of environmental change, demanding the research of water use. A nusmber of authors analyzed water use from different perspectives, in different regions, not including the water efficiency index and water productivity in the whole of the EU. The presented contribution is orientated to the evaluation of water resources through the development of efficiency and productivity indexes in EU member states. The research is made by a single analysis of the index in time development, followed by countries’ comparison according to the available data and software support, accessing the sustainability features in water supply that are the three-fold-goals of economic feasibility, social responsibility, and environmental integrity, linked to the purpose of the water use. The results of the contribution show the countries with a positive indexes trend, and countries with a negative indexes trend. Such results can be used for improving measurements to increase water productivity, as well as to make measurements to decrease water use.

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Alleviating water shortages by decreasing water footprint in sugarcane production: The impacts of different soil mulching and irrigation systems in South Africa

Cited by 18 publications

References 21 publications

Diversification Options in Sugarcane-Based Cropping Systems for Doubling Farmers’ Income in Subtropical India

Diversification Options in Sugarcane-Based Cropping Systems for Doubling Farmers’ Income in Subtropical India

Water, Energy and Food Nexus: Policy Relevance and Challenges

Evaluation of Water Resources through Efficiency Index and Water Productivity in EU

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