Belt and Road Initiative : Alternative Development Path for Africa

Chinas emphasis on infrastructure development has received support from African leaders. Its focus on infrastructure development in Africa was endorsed by the signing of a Memorandum of Understanding between China and the African Union on 27 January 2015. The agreement outline plans for connecting African countries through transportation infrastructure projects, including modern highways, airports, and high speed railways. At the heart of Belt and Road Initiative lies the creation of an economic land belt that includes countries on the original Silk Road through Central Asia, the Middle East and Europe, as well as a maritime road that links Chinas port facilities with the African coast, pushing up through the Suez Canal into the Mediterranean. China has from the outset emphasised that the Belt and Road Initiative will be developed within the framework of the five principles. These entails mutual respect for each others territorial integrity and sovereignty; non-aggression; non-interference in each others internal affairs; equality and mutual benefit; and peaceful coexistence. This volume provides an analysis of this stance by both African and Chinese scholars. Africa through its Agenda 2063 has been driving, among others, the re-industrialisation of its economies, improved connectivity and infrastructure development, diversification of energy sources, technology transfer and skills development. The Belt and Road Initiative provides an alternative path for Africa to realise some of these milestones

Ensuring access to water for food production by emerging farmers in South Africa: What are the missing ingredients?

One of the key components essential to the productivity of small-scale farmers who secured farms through the land redistribution programme in South Africa is access to reliable sources of water for irrigation. In this study, we deployed a stakeholder-oriented qualitative research methodology to understand the extent to which land reform farming schemes in Bela-Bela and Greater Sekhukhune have been able to access water and use it to enhance their agricultural production. We were keen to identify and articulate the water-related challenges and missing ingredients for successful agricultural production on the new farming schemes. The study found that access to water for irrigated agriculture is not guaranteed for most of the emerging farmers and they do not have the finance needed to invest in sustainable water supply systems for irrigation. As a result, the majority of the farmers in our study sample have not been able to realize any meaningful agricultural production, with their farming schemes being either underutilized or not functioning at all. Other key challenges include lack of finance, high costs of electricity, and lack of farming knowledge among the emerging farmers. The paper concludes that there is need for key actors in the development sector to provide more substantive post–land transfer support and ensure better access to water for the emerging farmers. This will enhance the farmers’ chances of realizing more meaningful agricultural production while improving their livelihoods

Bring back our girls and women to careers in physics

Statistics show that around the world the number of women in physics drops sharply when approaching postgraduate level. What are the barriers that hinder their success in physics, and what can be done about that, ask Portia Tshigoli, Rodney Managa and Palesa Sekhejane.

Poverty alleviation pathways for achieving sustainable development goals in Africa

The inability to eradicate poverty among societies demands a synergistic approach. This calls for the development of multi-pronged pathways for transitioning towards sustainable development goals. Many of these have been developed and tested across the world. Some have proved to be effective in illuminating the underlying cause of the world's inability to eradicate poverty. This is being driven by the fact that sustainable development, as a global development concept, represents a multidimensional phenomenon that includes many different indicators of human development. This volume, which derives from the papers presented at the seventh Africa Unity for Renaissance Conference that was held at Freedom Park, Pretoria, South Africa, seeks to supplement existing pathways by highlighting Africa's approach to poverty alleviation, which can possibly be attained through enhanced nutrition, food security, energy and gender equity. Evidence presented reflects strengths, weaknesses and opportunities on how Africa can transition towards sustainable development goals. The information provided is useful to countries interested in assisting Africa to develop pathways for achieving sustainable development goals within the scope of Agenda 2063. The book is a good reference for policy makers, academics, government authorities and students interested in research and developmental studies

NMR-Based Metabolomic Analyses to Identify the Effect of Harvesting Frequencies on the Leaf Metabolite Profile of a Moringa oleifera Cultivar Grown in an Open Hydroponic System

Moringa oleifera Lam. is one of the world’s most useful medicinal plants. Different parts of the M. oleifera tree contain a rich profile of important minerals, proteins, vitamins, and various important bioactive compounds. However, there are differences in the phytochemical composition of the medicinal plant’s raw materials due to seasonal variation, cultivation practices, and post-harvest processing. The main objective of this study was therefore to determine the effect of harvesting frequencies on selected bioactive compounds of a M. oleifera cultivar (PKM1) grown in a hydroponic system under a shade net structure. Three harvesting frequency treatments were applied in the study, with the plants harvested at every 30 days (high frequency), 60 days (intermediate frequency), and 90 days (low frequency) respectively. 1H-NMR was used for data acquisition, and multivariate data analysis by means of principal component analysis (PCA), partial least square discriminatory analysis (PLS-DA), and orthogonal partial least square discriminatory analysis (OPLS-DA) were applied to determine the changes in the leaf metabolite profile, and also to identify the spectral features contributing to the separation of samples. Targeted metabolite analysis was used to match the NMR peaks of the compounds with the NMR chemical shifts of the contribution plot. The contribution plot showed that the increase in concentration of some compounds in aliphatic, sugar and aromatic regions contributed to the separation of the samples. The results revealed that intermediate and low harvesting frequencies resulted in a change in the leaf metabolite profile. Compounds such as chlorogenic acid, ferulic acid, vanillic acid, wogonin, esculetin, niazirin, and gamma-aminobutyric acid (GABA) showed an increase under intermediate and low harvesting frequencies. These results provide insight into the effect of harvesting frequencies on the metabolite profile and associated medicinal activity of M. oleifera

NMR-based metabolomic analyses to identify the effect of harvesting frequencies on the leaf metabolite profile of a Moringa oleifera cultivar grown in an open hydroponic system

Moringa oleifera Lam. is one of the world’s most useful medicinal plants. Different parts of the M. oleifera tree contain a rich profile of important minerals, proteins, vitamins, and various important bioactive compounds. However, there are differences in the phytochemical composition of the medicinal plant’s raw materials due to seasonal variation, cultivation practices, and post-harvest processing. The main objective of this study was therefore to determine the effect of harvesting frequencies on selected bioactive compounds of a M. oleifera cultivar (PKM1) grown in a hydroponic system under a shade net structure. Three harvesting frequency treatments were applied in the study, with the plants harvested at every 30 days (high frequency), 60 days (intermediate frequency), and 90 days (low frequency) respectively. 1H-NMR was used for data acquisition, and multivariate data analysis by means of principal component analysis (PCA), partial least square discriminatory analysis (PLS-DA), and orthogonal partial least square discriminatory analysis (OPLS-DA) were applied to determine the changes in the leaf metabolite profile, and also to identify the spectral features contributing to the separation of samples. Targeted metabolite analysis was used to match the NMR peaks of the compounds with the NMR chemical shifts of the contribution plot. The contribution plot showed that the increase in concentration of some compounds in aliphatic, sugar and aromatic regions contributed to the separation of the samples. The results revealed that intermediate and low harvesting frequencies resulted in a change in the leaf metabolite profile. Compounds such as chlorogenic acid, ferulic acid, vanillic acid, wogonin, esculetin, niazirin, and gamma-aminobutyric acid (GABA) showed an increase under intermediate and low harvesting frequencies. These results provide insight into the effect of harvesting frequencies on the metabolite profile and associated medicinal activity of M. oleifera.SUPPLEMENTARY MATERIAL: FIGURE S1: Contribution plot showing metabolite peaks in the NMR aliphatic, sugar and aromatic regions of M. oleifera leaf metabolomics associated with March sample separation under high harvesting frequency as shown in Figure 2, FIGURE S2: OPLS-DA loading score plot showing 1H-NMR spectral data of M. oleifera (cultivar PKM1) metabolite profile under low/ intermediate and high harvesting frequency, FIGURE S3: PLSDA score plot showing 1H-NMR spectral data of M. oleifera (cultivar PKM1) metabolite profile under low/intermediate and high harvesting frequencies, showing separation between day 0 and end point harvesting, FIGURE S4: PLS-DA model validity permutation test for M. oleifera (cultivar PKM1) metabolite profile under low, intermediate and high harvesting frequencies, TABLE S1: 1H-NMR spectral regions of annotated compounds that contributed to the separation of leave samples.The National Research Foundation (NRF)-Competitive Programme for Rated Researchers, University of Pretoria (UP), University of South Africa (UNISA), and Human Sciences Research Council (HSRC).https://www.mdpi.com/journal/moleculesam2022Plant Production and Soil Scienc