Browsing Materials, Energy, Water and Environmental Sciences by Author "Ndakidemi, Patrick"
Now showing items 1-20 of 21
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Building Climate Change Adaptation and Resilience through Soil Organic Carbon Restoration in Sub-Saharan Rural Communities: Challenges and Opportunities
Taylor, Alex; Wynants, Maarten; Kelly, Claire; Mtei, Kelvin; Mkilema, Francis; Ndakidemi, Patrick; Nasseri, Mona; Kalnins, Alice; Patrick, Aloyce; Gilvear, David; Blake, William (MDPI, 2021-10-02)Soil organic carbon (SOC) is widely recognised as pivotal in soil function, exerting important controls on soil structure, moisture retention, nutrient cycling and biodiversity, which in turn underpins a range of provisioning, ... -
Drivers of increased soil erosion in East Africa’s agro-pastoral systems: changing interactions between the social, economic and natural domains
Wynants, Maarten; Kelly, Claire; Mtei, Kelvin; Munishi, Linus; Patrick, Aloyce; Rabinovich, Anna; Nasseri, Mona; Gilvear, David; Roberts, Neil; Boeckx, Pascal; Wilson, Geoff; Blake, William; Ndakidemi, Patrick (Springer Berlin Heidelberg, 19-06-18)Increased soil erosion is one of the main drivers of land degradation in East Africa’s agricultural and pastoral landscapes. This wicked problem is rooted in historic disruptions to co-adapted agro-pastoral systems. ... -
Effect of Rhizobium inoculation and supplementation with phosphorus and potassium on growth and total leaf chlorophyll (Chl) content of bush bean Phaseolus vulgaris, L.
Mfilinge, Abdulkadir; Mtei, Kelvin; Ndakidemi, Patrick (Scientific Research Publishing, 2014-12-09)The study was conducted to investigate the effect of Rhizobium inoculation and supplementation of phosphorus and potassium on growth and total leaf chlorophyll content to the three released bush bean varieties in ... -
Effects of Rhizobium inoculation and Supplementation with P and K, on Growth, Leaf chlorophyll content and Nitrogen Fixation of Bush bean varieties
Mfilinge, Abdulkadir; Mtei, Kevin; Ndakidemi, Patrick (American Journal of Research Communication, 2014)Low crop productivity is a general problem facing most farming systems in sub-Saharan Africa (SSA). These low yields are pronounced in grain legumes and are often associated with declining soil fertility and reduced ... -
Efficacy of Aqueous Extracts from Syzygium aromaticum, Tephrosia vogelii, and Croton dichogamus against Myzus persicae on Brassica oleracea in Northern Tanzania
Mpumi, Nelson; Mtei, Kelvin; Machunda, Revocatus; Ndakidemi, Patrick (Hindawi Limited, 2021-07-19)The effectiveness of 1, 5, and 10% w/v of aqueous extracts of Croton dichogamus, Tephrosia vogelii, and Syzygium aromaticum and their mixture (2.5 and 5%) was evaluated against Myzus persicae on Brassica oleracea under ... -
Environmental Contamination By Radionuclides And Heavy Metals Through The Application Of Phosphate RocksDuring Farming And Mathematical Modeling Of Their Impacts To The Ecosystem
Lema, Meserecordias; Ijumba, Jasper; Njau, Karoli; Ndakidemi, Patrick (nternational Journal of Engineering Research and General Science, 2014-07)Most of rock phosphates contain radioactive elements and heavy metals because theyoriginate from phosphate deposits. The application of these rock phosphates may result to the transfer of these dangerous materials into ... -
Extracts from field margin weeds provide economically viable and environmentally benign pest control compared to synthetic pesticides
Mkenda, Prisila; Mwanauta, Regina; Stevenson, Philip; Ndakidemi, Patrick; Mtei, Kelvin; Belmain, Steven (Public Library of Science, 2015-11-23)Plants with pesticidal properties have been investigated for decades as alternatives to synthetics, but most progress has been shown in the laboratory. Consequently, research on pesticidal plants is failing to address gaps ... -
Extrapolations on the Use of Rhizobium Inoculants Supplemented with Phosphorus (P) and Potassium (K) on Growth and Nutrition of Legumes
Mmbaga, George; Mtei, Kelvin; Ndakidemi, Patrick (Scientific Research Publishing, 2014-10-22)Land scarcity and poor farming management practices has resulted in to intensive agriculture which rendered most of the soil in sub Saharan Africa depleted in essential plant nutrients. High prices of chemical fertilizer ... -
Impacts of Synthetic and Botanical Pesticides on Beneficial Insects
Ndakidemi, Baltazar; Mtei, Kelvin; Ndakidemi, Patrick (Scientific Research Publishing, 2016-06-17)Sustainable methods to control insect pests that affect crop yield have become a great challenge to mainly smallholder farmers. Beneficial insects in agricultural fields play an important role in natural pest control and ... -
Influence of farmers’ socio-economic characteristics on nutrient flow and implications for system sustainability in smallholdings: a review
Mhoro, Lydia; Meya, Akida; Amuri, Nyambilila; Ndakidemi, Patrick; Mtei, Kelvin; Njau, Karoli (Frontiers in Soil Science, 2023-04-14)The rise in global human population, coupled with the effects of climate change, has increased the demand for arable land. Soil fertility has been the most affected, among other things. Many approaches to soil fertility ... -
Informing versus generating a discussion: Comparing two approaches to encouraging mitigation of soil erosion among Maasai pastoralists
Rabinovich, Anna; Zhischenko, Vladimir; Nasseri, Mona; Stacey, Heath; Laizer, Alpha; Mkilema, Francis; Patrick, Aloyce; Wynants, Maarten; Blake, William; Mtei, Kelvin; Ndakidemi, Patrick (Elsevier, 2022-10-21)Soil erosion is a critical problem for pastoralist societies that rely on healthy grazing land for their livelihoods. Previous research suggests that unsustainable land management practice is one of the factors exacerbating ... -
Invasive weeds with pesticidal properties as potential new crops
Mkindi, Angela; Mpumi, Nelson; Tembo, Yolice; Stevenson, Phillip; Ndakidemi, Patrick; Mtei, Kelvin; Machunda, Revocatus; Belmain, Steven (Elsevier, 2017-12-30)Plants with pesticidal properties have been investigated for decades as alternatives to synthetics, but only a handful have been commercialised and developed as non-food cash crops. One of the reasons why pesticidal plants ... -
Invasive weeds with pesticidal properties as potential new crops
Mkindi, Angela; Mpumi, Nelson; Tembo, Yolice; Stevenson, Phillip; Ndakidemi, Patrick; Mtei, Kelvin; Machunda, Revocatus; Belmain, Steven (Elsevier, 2017)Plants with pesticidal properties have been investigated for decades as alternatives to synthetics, but only a handful have been commercialised and developed as non-food cash crops. One of the reasons why pesticidal plants ... -
Isolation and characterization of nitrogen fixing rhizobia from cultivated and uncultivated soils of northern Tanzania
Simon, Zephania; Mtei, Kelvin; Gessesse, Amare; Ndakidemi, Patrick (Scientific Research Publishing, 2014-12-18)Soil bacteria1 called rhizobia are gram-negative capable to colonize the soil immediately surrounding roots under the influence of the plant “rhizosphere” and reduce atmospheric nitrogen into the form available to plants ... -
The Potential of Common Beneficial Insects and Strategies for Maintaining Them in Bean Fields of Sub Saharan Africa
Ndakidemi, Baltazar; Mtei, Kelvin; Ndakidemi, Patrick (Scientific Research Publishing, 2016-02-10)Beneficial insects provide natural ecosystem services such as biological control of pests, soil for mation, nutrient cycling and pollination of plants. Beneficial insects include pollinators important in the essential ... -
Potential of Controlling Common Bean Insect Pests (Bean Stem Maggot (Ophiomyia phaseoli), Ootheca (Ootheca bennigseni) and Aphids (Aphis fabae)) Using Agronomic, Biological and Botanical Practices in Field
Mwanauta, Regina; Mtei, Kelvin; Ndakidemi, Patrick (Scientific Research Publishing, 2015-05-22)Common bean production in Africa suffers from different constrains. The main damage is caused by insect pest infestations in the field. The most common insects pests which attack common bean in the field are the bean ... -
Potential Suppression Effects of Aqueous Extracts of Selected Plants on Growth of Carrot Weed (Parthenium hysterophorus L.) in Arusha, Tanzania
Mtenga, Neema; Mokiti, Thadeo; Mbega, Ernest; Ndakidemi, Patrick (2023)This study investigates the potential suppression effects of aqueous extracts derived from selected plants on the growth of carrot weed (Parthenium hysterophorus L.) in Arusha, Tanzania. The research aimed to explore ... -
Prospective Bioactive Compounds from Vernonia amygdalina, Lippia javanica, Dysphania ambrosioides and Tithonia diversifolia in Controlling Legume Insect Pests
Mwanauta, Regina; Mtei, Kelvin; Ndakidemi, Patrick (Scientific Research Publishing, 2014-10-22)Synthetic insecticides are widely known to control insect pest, but due to high operational cost, environmental pollution, toxicity to humans, harmful effect on non-target organisms and the de velopment of insect resistance ... -
Soil erosion and sediment transport in Tanzania: Part I – sediment source tracing in three neighbouring river catchments
Wynants, Maarten; Munishi, Linus; Mtei, Kelvin; Bodé, Samuel; Patrick, Aloyce; Taylor, Alex; Gilvear, David; Ndakidemi, Patrick; Blake, William; Boeckx, Pascal (Earth Surface Processes and Landforms, 2021-12)Water bodies in Tanzania are experiencing increased siltation, which is threatening water quality, ecosystem health, and livelihood security in the region. This phenomenon is caused by increasing rates of upstream soil ... -
Soils, Science and Community ActioN (SoilSCAN): a citizen science tool to empower community-led land management change in East Africa
Kelly, Claire; Wynants, Maarten; Patrick, Aloyce; Taylor, Alex; Mkilema, Francis; Nasseri, Mona; Lewin, Shaun; Munishi, Linus; Mtei, Kelvin; Ndakidemi, Patrick; Blake, William (IOPscience, 2022-08-02)Pastoralist communities worldwide face complex challenges regarding food and feed productivity. Primary production systems are under stress, nutritional choices are changing and the relationship between development and ...