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Leaf silicification in grasses — A review
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: P.J. O'Reagain --- Department of Agriculture, M.T. Mentis --- Centre for Resource Ecology,Silica is absorbed from the soil by many grasses in an active or passive manner depending upon the species involved. It is carried upwards in the transpiration stream and deposited throughout the plant where it polymerizes to form amorphous silica... -
Aluminium uptake sites in the primary root of Zea mays L.
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: R.J. Bennet --- Department of Agriculture, C.M. Breen --- Department of Botany, M.V. Fey --- Department of Soil Science and Agrometeorology,Histochemical studies of the chronological sequence involved in the uptake of Al by the primary root of Zea mays L., cv. TX 24, showed the primary sites of Al uptake to be the peripheral cells of the root cap and... -
Die invloed van fosfor, nitraat en ammonium op die opname en vervoer van stikstof en fosfor en op die groei van koring
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: A.S. Claassens --- Departement Grondkunde en Plantvoeding, W.J. Fölscher --- Departement Grondkunde en Plantvoeding,In 'n waterkultuureksperiment met koring is die invloed van verskillende P-toedienings (0,02 tot 5,0 me H2PO4 dm−3) en van verskillende NH4:NO3-verhoudings (0:15 tot 12:3) met 'n Hoagland-voedingsoplossing (no. 2) as kontrole bestudeer. Normale groei is reeds by 'n laer P-voorsiening... -
Aluminium toxicity and induced nutrient disorders involving the uptake and transport of P, K, Ca and Mg in Zea mays L.
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: R.J. Bennet --- Department of Agriculture, C.M. Breen --- Department of Botany, M.V. Fey --- Department of Soil Science and Agrometeorology,Chemical analysis of plant fractions of maize cultivars TX 24 and HL 1 grown in liquid culture containing Al showed that the action of Al was directed at the uptake of Ca and Mg and the transport of P and... -
Die relatiewe belang van die vorm en konsentrasie van stikstof in die wortelsone op die ontwikkeling van Zea mays L.
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: F.G. Adriaanse --- , Republiek van Suid-Afrika J.J. Human --- Departement Agronomie en Hortologie, Republiek van Suid-AfrikaDie invloed van ses nitraat:ammoniumverhoudings by 200 mg N l1 in een proef en twee ander verhoudings by 50, 100 en 200 mg N l1 in 'n tweede proef is op droëmateriaalproduksie en stikstofinhoud ondersoek. Die algehele beste behandeling was... -
Seasonal uptake and distribution of nutrient elements by kiwifruit vines 1. Macronutrients
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: W. A.G. Kotzé --- , Republic of South Africa Johanna de Villiers --- , Republic of South AfricaDry matter production and uptake and distribution of macronutrients in kiwifruit vines (Actinidia deliciosa (A. Chev.) C.F. Liang et A.R. Ferguson var. deliciosa) cv. Hayward were studied in sand culture. The total dry mass of the kiwifruit vine increased sharply... -
Seasonal uptake and distribution of nutrient elements by kiwifruit vines 2. Micronutrients
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: W. A.G. Kotzé --- , Republic of South Africa Johanna de Villiers --- , Republic of South AfricaUptake and distribution of micronutrients by kiwifruit vines (Actinidia deliciosa (A. Chev.) C.F. Liang et A.R. Ferguson var. deliciosa) cv. Hayward were studied in sand culture. The period of rapid accumulation of different micronutrients differed substantially. Zinc was accumulated mainly... -
The effect of leaf water potential on the carbon-dioxide uptake rate during different growth stages of wheat (Triticum aestivum L.)
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J.J. Human --- Department of Agronomy, Faculty of Agriculture, Republic of South Africa W.J. Roux --- Department of Agronomy, Faculty of Agriculture, Republic of South Africa L.P. de Bruyn --- Department of Agronomy, Faculty of Agriculture, Republic of South AfricaThe effect of water stress on the CO2 uptake rate was measured at three different growth stages of wheat grown in Mitscherlich pots in a glasshouse experiment. Stress was induced by withholding water until the leaf water potential reached −2... -
Rapid viability tests for kernels of grain sorghum (Sorghum bicolor (L.) Moench.)
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: H.A. van de Venter --- , Republic of South Africa G. Barla-Szabo --- , Republic of South AfricaVarious procedures were evaluated for their potential as rapid viability tests for kernels of grain sorghum (Sorghum bicolor (L.) Moench.). The tests included were a specific gravity test, a conductivity test (with drastically reduced soaking periods), the determination of glutamic... -
Reaksie van twee lentekoringkultivars op stikstof- en swaelbemesting in die Swartland. I. Vegetatiewe groei, opname en konsentrasie van stikstof en swael in die vegetatiewe plant
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J.P. du Plessis --- , Republiek van Suid-Afrika G.A. Agenbag --- Departement Akkerbou en Weidlng, Republiek van Suid-AfrikaDie belangrikheid van die korrekte N: S verhouding het die vraag laat ontstaan of 'n wanbelans tussen N en S nie gedeeltelik 'n bydrae tot die swak benuttingsdoeltreffendheid van N by hoë N-bemestings in die Swartland kan lewer nie. 'n... -
Invloed van N-bemesting en rhizobiumrasse op opbrengs en N-samestelling van die saad van sojabone (Glycine max)
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: A. D.P. Botha --- , Republiek van Suid-Afrika D.C. Pretorius --- , Republiek van Suid-Afrika R. L.J. Coetzer --- , Republiek van Suid-AfrikaDie studie is onderneem om die invloed van twee faktore, N-bemesting en atmosferiese N-binding, op opbrengs en proteïengehalte van Suid-Afrikaanse sojabone vas te stel. Drie N-misstowwe (ureum, NH4 +, NO3 −) met 15N verryk, is in 'n potproef teen 20... -
Kwantifisering van die opname van atmosferiese en grond-N deur sojabone [Glycine max (L.) Merrill] uit 15 N-verrykte grond
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: A. D. P. Botha --- , Republiek of Suid-Afrika D.C. Pretorius --- , Republiek of Suid-Afrika J.F. Bienkowski --- , Republiek of Suid-Afrika R. L.J. Coetzer --- , Republiek of Suid-AfrikaDie doel met hierdie ondersoek was om die atmosferiese en grondstikstofopname deur die groeiseisoen van sojabone vas te stei, te bepaal in watter plantdele die N afkomstig van die twee bronne versamel, of dit later na die saad getranslokeer word... -
Invloed van 15NH4-N wat op vier groeistadia teen vier peile toegedien is, op di N-samestelling en opbrengs van sojabone [Glycine max (L.) Merrill]
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: A. D.P. Botha --- , Republiek van Suid-Afrika D.C. Pretorius --- , Republiek van Suid-Afrika R. L.J. Coetzer --- , Republiek van Suid-Afrika'n Potproef is onder temperatuur-gekontroleerde toestande in 'n glashuis onderneem met 'n fynsandgrond wat aanvanklik vry van rhizobium bakterieë was. Glycine max (L.) Merrill (kultivar Prima) is met 'n mengsel van twee bekende rasse van Bradyrhizobium japonicum gei'nokuleer. Die invloed... -
Rate and timing of nitrogen fertilizer applications on wheat grown under dryland and supplementary irrigation
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J.A. Adjetey --- , Australia P. G.E. Searle --- , Australia L.C. Campbell --- , AustraliaField experiments were carried out at the University of Sydney Farm, to examine nitrogen fertilizer application strategies for increasing N uptake and productivity of wheat (Triticum aestivum L.) grown on a red-brown earth (Natrixeralf) in Australia, under dryland and supplementary... -
Temporal and spatial relations of plant element uptake and yield of a lucerne stand
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: A. Venter --- Department of Plant Production and Soil Science, South Africa D.J. Beukes --- , South Africa A.S. Claassens --- Department of Plant Production and Soil Science, South Africa M. Van Meirvenne --- Dept. Soil Management and Soil Care, BelgiumIn general, agricultural fields are managed as uniform units, ignoring spatial and temporal relations between plant element uptake and yield. This study was conducted from June 2001 to February 2002 on a two-year-old lucerne stand and explores the spatial relationships... -
Effectiveness of cattle manure and nitrogen fertilizer application on the agronomic and economic performance of maize
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J. Nyamangara --- Department of Soil Science and Agricultural Engineering, M. Mudhara --- Department of Soil Science and Agricultural Engineering, K.E. Giller --- Department of Soil Science and Agricultural Engineering,The effects of N fertilizer and aerobically composted cattle manure, applied separately or in combination, on maize (Zea mays L.) grain yields and net benefits were determined over three seasons. A field experiment was established on a moderately leached sandy... -
Comparison of medium-term organic and inorganic fertiliser application on leaf nutrient concentration and yield of maize in rural agriculture in the Mbizana area, Eastern Cape province, South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: DJ Beukes --- , South Africa TP Fyfield --- , South Africa GG Jezile --- , South Africa TC Mapumulo --- , South AfricaA five-year study was conducted in the Mbizana area, Eastern Cape province, to assess the seasonal and medium term effects of chicken manure and inorganic fertiliser application to an acid clay loam topsoil on nutrient element uptake and yield of... -
NUTRIENT CYCLING IN MARINE ECOSYSTEMS
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: P. Chapman --- , South AfricaThe overall cycles of nitrogen, phosphorus and silicon in the sea are described and compared. Data on the fluxes and rates of change between various pools of each nutrient are given, where available, and gaps in knowledge are pointed out... -
Uptake and accumulation of ammonium by Alexandrium catenella during nutrient pulses
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: Y Collos M Lespilette A Vaquer M Laabir A PastoureaudField observations in Thau Lagoon, southern France, indicate that the growth of natural populations of Alexandrium catenella during blooms is limited by nitrogen and exhibits a storage rather than a growth response to an ammonium pulse. Therefore, ammonium uptake and... -
The effects of physiology and behaviour on the near-bottom distributions of Kareniabrevis on the West Florida shelf: a numerical study
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: GA Sinclair D KamykowskiThe distribution of near-bottom populations of Karenia brevis depends on both cell physiology and behaviour. The migration distance of cells, and the subsequent exposure to light, may vary as a result of the nocturnal uptake of nitrate. The adaptive advantage... -
Mineralisation of organic fertilisers used by urban farmers in Harare and their effects on maize (Zea mays L.) biomass production and uptake of nutrients and heavy metals
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Armwell Shumba --- Department of Soil Science and Agricultural Engineering, Zimbabwe Ronald Marumbi --- Department of Soil Science and Agricultural Engineering, Zimbabwe Blessing Nyamasoka --- Department of Soil Science and Agricultural Engineering, Zimbabwe Phillip Nyamugafata --- Department of Soil Science and Agricultural Engineering, Zimbabwe Justice Nyamangara --- Matopos Research Station, Zimbabwe Simon Madyiwa --- Department of Soil Science and Agricultural Engineering, ZimbabweNutrient release patterns and heavy metal contamination risks associated with animal manure and organic municipal wastes used as basal fertilisers are largely unknown in Zimbabwe. Carbon, nitrogen and phosphorus mineralisation patterns were determined in a 56-day incubation experiment of domestic... -
Normal reference values for thyroid uptake of technetium-99m pertechnetate for the Namibian population
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: RH Hamunyela --- Cape Peninsula University of Technology, T Kotze --- Nuclear Medicine Department, GM Philotheou --- Cape Peninsula University of Technology,Objective: Historically, changes in normal thyroid uptake values for iodine have been reported in different geographical areas. These changes have been linked to geographical and chronological fluctuations in dietary iodine intake in different populations. Namibia is a country with mixed... -
Acceptance and uptake of voluntary HIV testing among healthcare workers in a South African public hospital
Item type: Journal Article • Journal: South African Family Practice • Authors: LI Zungu --- Department of Health Studies, BA Sanni --- Strategic Health Programmes, National Department of Health,Background: Healthcare workers are seen as being at the centre of human immunodeficiency virus (HIV)/acquired immune deficiency syndrome (AIDS) management. They are also at risk of HIV infection from occupational exposure to blood-borne pathogens during their daily work activities. Although... -
Uptake and factors that affect enrolment into the prevention of mother-to-child transmission of human immunodeficiency virus programme in rural Limpopo Province
Item type: Journal Article • Journal: South African Family Practice • Authors: OJ Ajewole --- Department of Family Medicine, BLW Sparks --- Department of Family Medicine, OB Omole --- Department of Family Medicine,Background: Before 2006, the uptake into the prevention of mother-to-child transmission (PMTCT) for HIV programme was low in South Africa. We determined PMTCT programme uptake, and identified factors that affected enrolment into the PMTCT programme in the rural Limpopo province. -
Normal reference values for thyroid uptake of technetium-99m pertechnetate for the Namibian population
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: RH Hamunyela --- Cape Peninsula University of Technology, T Kotze --- Nuclear Medicine Department, GM Philotheou --- Cape Peninsula University of Technology,Objective: Historically, changes in normal thyroid uptake values for iodine have been reported in different geographical areas. These changes have been linked to geographical and chronological fluctuations in dietary iodine intake in different populations. Namibia is a country with mixed... -
Saldanha Bay, South Africa III: new production and carrying capacity for bivalve aquaculture
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: TA Probyn --- Aquaculture Research, Department of Agriculture, Forestry and Fisheries, South Africa JF Atkins --- Department of Oceanography, South Africa GC Pitcher --- Aquaculture Research, Department of Agriculture, Forestry and Fisheries, South AfricaMeasurements of NH4, NO3, urea and HCO3 uptake using 15N and 13C stable isotope tracers were undertaken in Saldanha Bay, South Africa, between January 2012 and January 2013. These studies provide the first direct measurements of N utilisation by the... -
Variations in water and macronutrient uptake of soilless tomato as affected by the nutrient solution composition
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Estelle Kempen --- Department of Agronomy, South Africa G André Agenbag --- Department of Agronomy, South Africa Stan Deckers --- Soil Service of Belgium, BelgiumGreenhouse growers must reduce the nutrients that leach from soilless growing systems. To enable continued use of nutrient solutions, the water and nutrient uptake by plants in soilless systems needs to be quantified. Plants were grown in water culture with... -
Yield, nutrient and heavy metal uptake of leafy vegetables grown in sewage sludge and poultry manure amended soils
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Blessing Nyamasoka --- Department of Soil Science and Agricultural Engineering, Zimbabwe Ronald Marumbi --- Department of Soil Science and Agricultural Engineering, Zimbabwe Armwell Shumba --- Department of Soil Science and Agricultural Engineering, Zimbabwe Phillip Nyamugafata --- Department of Soil Science and Agricultural Engineering, Zimbabwe Simon Madyiwa --- Department of Soil Science and Agricultural Engineering, Zimbabwe Justice Nyamangara --- Department of Environmental Science and Technology, ZimbabweUrban farmers in Harare grow vegetables in soils fertilised with poultry manure (PM) and sewage sludge (SS). Feed and storage management influence nutrient supply of these organic amendments. Nitrogen mineralisation of PM and SS were determined in a non-leaching and... -
Prevalence and predictors of Implanon uptake in Ugu (Ugu North Sub District) 2016/17
Item type: Journal Article • Journal: South African Family Practice • Authors: Anudha Moodley --- Discipline of Public Health Medicine, South Africa Ozayr Mahomed --- Discipline of Public Health Medicine, South AfricaBackground: The contraceptive implant (Implanon) has been recognised as one of the most effective family planning methods and is a healthier choice for women in Africa due to its efficacy and convenience. Despite the evidence of effectiveness and safety of... -
Effect of multiple intervention models on uptake of HIV testing services and sexual behaviour among residents of military cantonments in south-east Nigeria
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Benedict N Azuogu --- Department of Community Medicine, Nigeria Lawrence U Ogbonnaya --- Department of Community Medicine, Nigeria Chukwuma D Umeokonkwo --- Department of Community Medicine, Nigeria Chihurumnanya Alo --- Department of Community Medicine, Nigeria Ngozi A Ifebunandu --- Department of Internal Medicine, Nigeria Christopher N Obionu --- Department of Community Medicine, Nigeria Adaoha P Agu --- Department of Community Medicine, Nigeria Victoria C Azuogu --- Department of Health Education, Nigeria Felix O-O Oyari --- Department of Community Medicine, Nigeria Ijeoma N Okedo-Alex --- Department of Community Medicine, Nigeria Ifenyinwa M Okafor --- Department of Community Medicine, Nigeria Ugochukwu C Madubueze --- Department of Community Medicine, NigeriaBackground: HIV testing and counselling (HTC) has been a viable tool in controlling the spread of HIV/AIDS, and serves as the entry point in the HIV care and treatment cascade. In Africa, HIV-related morbidity and mortality are high with thousands... -
Potassium fractions and availability for chickpea (Cicer arietinum) in Vertisols of north-west Ethiopia
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Yohannes Misskire --- Debre Markos University, Ethiopia Tekalign Mamo --- Center for Soil and Fertilizer Research in Africa, Morocco Abi M Taddesse --- Department of Chemistry, Ethiopia Uri Yermiyahu --- Gilat Research Center, Agricultural Research Organization, IsraelFor a critical appraisal of the supplying power of potassium (K) and to predict bioavailable K, it is necessary to have knowledge on the fractions of K and evaluate soil test methods for plant nutrition. This research aimed to assess... -
Gender appropriateness of field days in knowledge generation and adoption of push-pull technology in eastern Africa
Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: AW Murage --- Kenya Agricultural and Livestock Research Organization (KALRO), JO Pittchar --- International Centre of Insect Physiology and Ecology (ICIPE), Kenya CAO Midega --- International Centre of Insect Physiology and Ecology (ICIPE), Kenya CO Onyango --- Asian Vegetable Research and Development Centre (ADRDC), JA Pickett --- Rothamsted Research, United Kingdom ZR Khan --- International Centre of Insect Physiology and Ecology (ICIPE), KenyaAdoption studies have identified gender as one of the factors that determine technology uptake and this has been linked to women’s access to farming information or lack of it. Technology scaling up systems should utilise pathways that are compatible with... -
Nitrogen Deficiency in Semi-Arid Kenya: Can Pigeonpea fix it?
Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: K. Kwena --- University of Nairobi, Kenya G. N. Karuku --- University of Nairobi, Kenya F. O. Ayuke --- University of Nairobi, Kenya A. O. Esilaba --- Kenya Agricultural & Livestock Research Organization (KALRO), KenyaFew studies have evaluated improved pigeonpea varieties developed and released in Kenya for soil fertility improvement and contribution to the productivity of cereal-based cropping systems prevalent in marginal areas. A study comprising field and greenhouse experiments was conducted between 2009... -
Effect of vermicompost tea on rooibos (
Aspalathus linearis ) growth and rhizosphere microbial diversity under field conditionsItem type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Stefanus G van Heerden --- Department of Soil Science, South Africa Ailsa G Hardie --- Department of Soil Science, South AfricaIncreasing demand for rooibos tea (Aspalathus linearis) requires producers to increase production in a sustainable manner. The aim of the study was to examine the effect of applying vermicompost tea (VCT) (100 and 500 L ha–1 month–1) and tap water... -
Soil fertility trends and management in Conservation Agriculture: a South African perspective
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: GP Nortjé --- , South Africa MC Laker --- , South AfricaConservation Agriculture (CA) is an integrated approach that consists of a suite of practices, namely no-till farming, cover crops, and crop rotation that includes at least three crops. In the global context, CA is implemented widely in South America (Argentina... -
Psychosocial and behavioural correlates of attitudes towards antiretroviral therapy (ART) in a sample of South African mineworkers
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Kaymarlin Govender --- School of Psychology, University of KwaZulu-Natal, Olagoke Akintola --- School of Psychology, University of KwaZulu-Natal, Gavin George --- Health Economics and HIV/AIDS Research Division (HEARD), University of KwaZulu-Natal, Inge Petersen --- School of Psychology, University of KwaZulu-Natal, Anil Bhagwanjee --- School of Psychology, University of KwaZulu-Natal, Candice Reardon --- Health Economics and HIV/AIDS Research Division (HEARD), University of KwaZulu-Natal,Despite being one of the worst affected sectors in South Africa, the mining sector has proven to be one of the most active in intervention efforts in the fight against HIV and AIDS (Ellis, 2007). Owing to low uptake rates... -
The constraints of antiretroviral uptake in rural areas: the case of Thamaga and surrounding villages, Botswana
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Matlhogonolo Bene --- , , Botswana Michael B.K. Darkoh --- , , BotswanaThis article examines the constraints of antiretroviral (ARV) uptake in the villages of Thamaga, Kumakwane, Mankgodi and Gakgatla which are in the Kweneng District of Botswana. The social interactionist approach and theories of health behaviour provided the theoretical basis of... -
Effects of succinic acid impregnation on physical properties of sapwood and heartwood from plantation-grown short-rotation teak
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Sarah Augustina --- National Research and Innovation Agency (BRIN), Indonesia Teguh Darmawan --- National Research and Innovation Agency (BRIN), Indonesia Sudarmanto --- National Research and Innovation Agency (BRIN), Indonesia Narto Narto --- National Research and Innovation Agency (BRIN), Indonesia Adik Bahanawan --- National Research and Innovation Agency (BRIN), Indonesia Danang S Adi --- National Research and Innovation Agency (BRIN), Indonesia Dimas Triwibowo --- National Research and Innovation Agency (BRIN), Indonesia Yusup Amin --- National Research and Innovation Agency (BRIN), Indonesia Imran A Sofianto --- National Research and Innovation Agency (BRIN), Indonesia Prabu S Sejati --- National Research and Innovation Agency (BRIN), Indonesia Wahyu Dwianto --- National Research and Innovation Agency (BRIN), Indonesia Witjaksono --- National Research and Innovation Agency, Indonesia Ragil Widyorini --- Universitas Gadjah Mada, Philippe Gérardin --- Université de Lorraine, France Sari Delviana Marbun --- National Research and Innovation Agency (BRIN), IndonesiaThe aim of this study was to improve the properties of 15-year-old short rotation teak wood using a succinic acid (SA) treatment without excessively increasing the weight gain. The samples were classified as sapwood (SW) and heartwood (HW). Samples were... -
Nutrient uptake and yield response of wheat (Triticum spp.) to different fertiliser applications in Ethiopia
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Shimbahri Mesfin --- Land Resource Management and Environmental Protection, Mekelle University, Ethiopia Mitiku Haile --- Land Resource Management and Environmental Protection, Mekelle University, Ethiopia Girmay Gebresamuel --- Land Resource Management and Environmental Protection, Mekelle University, Ethiopia Amanuel Zenebe --- Land Resource Management and Environmental Protection, Mekelle University, Ethiopia Abera Gebre --- Soil Resource and Watershed Management, Aksum University, Ethiopia Christy van Beek --- Wageningen University and Research Centre, the NetherlandsIn northern Ethiopia, the persistently low crop yield is often attributed to inadequate soil fertility and inappropriate fertiliser recommendations. This study employed the Quantitative Evaluation of the Fertility of Tropical Soils (QUEFTS) model for site-specific fertiliser recommendations to enhance wheat... -
Factors driving pre-exposure prophylaxis uptake among students at six Gauteng province universities: An application of Pender’s Health Promotion Model
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Paul Potsane --- University of Johannesburg, South Africa Charlene Downing --- University of Johannesburg, South Africa Patrick Ndayizigamiye --- College of Business & Economics, University of Johannesburg, South AfricaBackground: South Africa has the world’s highest HIV prevalence rate (12.7%), with university students disproportionately affected. While HIV Pre-Exposure Prophylaxis (PrEP) is an effective preventive measure for high-risk individuals, its uptake among university students remains low, which hinders progress toward... -
Physiological traits associated with drought tolerance in Moroccan chickpea
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Meriem Tabouktirt --- University Hassan II, Morocco Fatoumata Farida Traore --- University Hassan II, Morocco Sara Fahde --- , Morocco Ayyoub Ammar --- University Hassan II, Morocco Hasnae Choukri --- , Morocco Said Boughribil --- University Hassan II, MoroccoIn a greenhouse experiment conducted in Mohammedia, drought stress responses were evaluated under two treatments (100% and 50% of field capacity; FC) in six Moroccan chickpea varieties: Arifi, Bouchra, Farihane, Moubarak, Rizki, and Zahour. The susceptibility index (SI) clearly differentiated...
