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Articles 8611 - 8640 of 13592
Full-Text Articles in Plant Biology
Microbiological, Physicochemical And Heavy Metals Assessments Of Soils And Selected Vegetables Grown On Rumde-Doubeli Irrigated Farmland In Yola Nigeria, Mohammed Inuwa Ja’Afaru, Joel Uyi Ewansiha, Abdulwahab Dahiru, Konjerimam Ishaku Chimbekujwo
Microbiological, Physicochemical And Heavy Metals Assessments Of Soils And Selected Vegetables Grown On Rumde-Doubeli Irrigated Farmland In Yola Nigeria, Mohammed Inuwa Ja’Afaru, Joel Uyi Ewansiha, Abdulwahab Dahiru, Konjerimam Ishaku Chimbekujwo
Tanzania Journal of Science
Leaf parts of vegetable plants grown on irrigated farmlands and are easily accessed by contaminants; pose greater risks of being contaminated with heavy metals. Soil, irrigation water and edible vegetable plants were collected and evaluated for concentrations of heavy metals using Atomic Absorption Spectrophotometry (AAS) and standard laboratory methods. Physicochemical parameters of irrigation water, compared with WHO limits for chloride (326.14 + 7.03 mg/L, 250 mg/L), total hardness (196.0 + 8.72 mg/L, 150 mg/L), chemical oxygen demand (286.4 ±1.35 mg/L; 150 mg/L) and alkalinity (171.0 + 4.36 mg/L, 120 mg/L) were significantly (p ˂ 0.05) higher than the control sites …
Cashew Plant-Mediated Biosynthesis Of Silver Nanoparticles And Evaluation Of Their Applications As Antimicrobial Additive For Consumer Care Products, Isiaka A. Adelere, David O. Aboyeji, Felicia O. Akindurodoye, Nasiru U. Adabara, Hausatu Babayi
Cashew Plant-Mediated Biosynthesis Of Silver Nanoparticles And Evaluation Of Their Applications As Antimicrobial Additive For Consumer Care Products, Isiaka A. Adelere, David O. Aboyeji, Felicia O. Akindurodoye, Nasiru U. Adabara, Hausatu Babayi
Tanzania Journal of Science
This study reports the biogenic synthesis of silver nanoparticles (AgNPs) using aqueous extract obtained from Anacardium occidentale stem bark and evaluation of their antibacterial activities as well as their potential applications as antimicrobial additives for detergent and toothpaste. The biosynthesized AgNPs were analyzed using UV–Vis spectroscopy, Fourier-transform infrared spectroscopy (FTIR), and scanning electron microscopy (SEM). The particles were dark brown in colour with maximum absorbance at wavelength 419 nm. They were mainly spherical in shape with size ranges from 20 to 60 nm. The peaks of FTIR spectrum revealed that their formation was facilitated by protein molecules present in the …
Sensitivity Analysis And Uncertainty Parameter Quantification In A Regression Model: The Case Of Deforestation In Tanzania, Thadei Sagamiko, Nyimvua Shaban, Isambi S. Mbalawata
Sensitivity Analysis And Uncertainty Parameter Quantification In A Regression Model: The Case Of Deforestation In Tanzania, Thadei Sagamiko, Nyimvua Shaban, Isambi S. Mbalawata
Tanzania Journal of Science
In this paper a multiple regression model for the economic factors and policy that influence the rate of deforestation in Tanzania is formulated. Sensitivity analysis for parameters of explanatory variables using one-at-a time and direct methods is carried out and the model is fitted by classical least square (LSQ) and Markov Chain Monte Carlo (MCMC) methods. Uncertainty quantification of parameters by adaptive Markov Chain Monte Carlo methods is performed. The coefficient of determination indicates that 87% of deforestation rate is explained by explanatory variables captured in the model. Household poverty rate is found to be the most sensitive factor to …
Selected Under-Exploited Plant Oils In Nigeria: A Correlative Study Of Their Properties, Ikhazuagbe H. Ifijen, Adachukwu N. Nkwor
Selected Under-Exploited Plant Oils In Nigeria: A Correlative Study Of Their Properties, Ikhazuagbe H. Ifijen, Adachukwu N. Nkwor
Tanzania Journal of Science
This study examined the physicochemical properties of seven under-exploited plant oils in Nigeria, namely; Hevea brasiliensis seed oil (HBSO), Prunus dulcis seed oil (PDSO), Afzelia africana aril cap oil (AAACO), Jatropha curcas seed oil (JCSO), Sesamum indicum seed oil (SISO), Canarium schweinfurthii seed oil (CSSO) and Hura crepitans seed oil (HCSO). Characteristics such as colour, percentage yield, specific gravity, freezing/melting point, acid value, free fatty acid, iodine value, and saponification value were investigated. The results showed that they have different colours and are liquid at room temperature. The percentage yield of the extracted oils varied from 34 to 55.39%. The …
Comparison Of Seaweed Growth, Fish Abundance And Diversity In Deep Water Floating Raft With Tubular Nets And Shallow Water Off-Bottom Lines Seaweed Farms, Batuli M. Yahya, Saleh A. S. Yahya, Aviti J. Mmochi, Narriman S. Jiddawi
Comparison Of Seaweed Growth, Fish Abundance And Diversity In Deep Water Floating Raft With Tubular Nets And Shallow Water Off-Bottom Lines Seaweed Farms, Batuli M. Yahya, Saleh A. S. Yahya, Aviti J. Mmochi, Narriman S. Jiddawi
Tanzania Journal of Science
This study compared the growth performance of Eucheuma denticulatum, fish abundance and diversity between deep water (using tubular nets) versus shallow water (off-bottom) seaweed farming methods. For each farming method, three plots were set and fish abundance, diversity and seaweed growth rates were measured at intervals of 15 days. Belt transects measuring 10 m x 4 m each, were established on seaweed farms for fish observations. Fish were identified to the lowest possible taxonomic level by underwater census. The results showed that the growth rate of E. denticulatum in deep water farms was slightly higher at an average daily growth …
Exploration Of Antiviral Effects Of Rna-Dependent Rna Polymerases 3, 4 And 5 In Arabidopsis., Eli R. Kallison, Aleksandra Beric, Blake Meyers
Exploration Of Antiviral Effects Of Rna-Dependent Rna Polymerases 3, 4 And 5 In Arabidopsis., Eli R. Kallison, Aleksandra Beric, Blake Meyers
IdeaFest: Interdisciplinary Journal of Creative Works and Research from Cal Poly Humboldt
Small RNAs play a number of vital roles in plants, including viral resistance. A particular class of small RNA that regulates plant defense from pathogens, among other functions, is known as small interfering RNAs (siRNAs). A key player in the biogenesis pathway of siRNAs are RNA-Dependent RNA Polymerases (RDRs). There are six RDR proteins in Arabidopsis thaliana, three of which have well documented roles (RDRs 1, 2 and 6), and three of which have no documented role. Here, we look at the functions of the unstudied RDRs, RDRs 3, 4 and 5, to see whether they affect antiviral resistance.
Mobilisation And Transport Of Sediments, Colloids And Phosphorus From Intensively Managed Grasslands, Gary S. Bilotta, R. E. Brazier, P. M. Haygarth, C. J. A. Macleod, S. Granger, J. Hawkins, T. Krueger, J. Freer, J. Quinton
Mobilisation And Transport Of Sediments, Colloids And Phosphorus From Intensively Managed Grasslands, Gary S. Bilotta, R. E. Brazier, P. M. Haygarth, C. J. A. Macleod, S. Granger, J. Hawkins, T. Krueger, J. Freer, J. Quinton
IGC Proceedings (1977-2023)
No abstract provided.
Water Fluxes In The Xilin River Catchment, Inner Mongolia, At Different Scales, Frauke Barthold, Katrin Schneider, Jinkui Wu, Benjamin Blank, Lutz Breuer, Kellie B. Vaché, Christian Bernhofer, Rainer Horn, Stephan Peth, Hans‐Georg Frede
Water Fluxes In The Xilin River Catchment, Inner Mongolia, At Different Scales, Frauke Barthold, Katrin Schneider, Jinkui Wu, Benjamin Blank, Lutz Breuer, Kellie B. Vaché, Christian Bernhofer, Rainer Horn, Stephan Peth, Hans‐Georg Frede
IGC Proceedings (1977-2023)
No abstract provided.
Partitioning Of Evapotranspiration In Four Grassland Ecosystems With A Two Source Model, Zhongmin Hu, Guirui Yu, Xiaomin Sun
Partitioning Of Evapotranspiration In Four Grassland Ecosystems With A Two Source Model, Zhongmin Hu, Guirui Yu, Xiaomin Sun
IGC Proceedings (1977-2023)
No abstract provided.
Applications Of Near Infrared Reflectance Spectroscopy In Grassland Science, Yan Liang, He Zhou
Applications Of Near Infrared Reflectance Spectroscopy In Grassland Science, Yan Liang, He Zhou
IGC Proceedings (1977-2023)
No abstract provided.
Measurement Of Remote Sensing In Desert Plants Recovery, Xia Li, Ting Niu, Yebiao Yin
Measurement Of Remote Sensing In Desert Plants Recovery, Xia Li, Ting Niu, Yebiao Yin
IGC Proceedings (1977-2023)
No abstract provided.
Geoinformatics Application To Investigate Agricultural Potential In The Cholistan Desert, Farooq Ahmad
Geoinformatics Application To Investigate Agricultural Potential In The Cholistan Desert, Farooq Ahmad
IGC Proceedings (1977-2023)
No abstract provided.
Application Of Fractal On Ecosystem In Grassland, Yaxin Chen, Bing Xu, Kezhen Guo, Quanming Liu
Application Of Fractal On Ecosystem In Grassland, Yaxin Chen, Bing Xu, Kezhen Guo, Quanming Liu
IGC Proceedings (1977-2023)
No abstract provided.
Grassland And Water Resources: Recent Trends And Future Challenges In Temperate Zones, Benoît Marc
Grassland And Water Resources: Recent Trends And Future Challenges In Temperate Zones, Benoît Marc
IGC Proceedings (1977-2023)
No abstract provided.
Rangeland Management And Hydrology, K. Wood, H. Rubio, C. Wood
Rangeland Management And Hydrology, K. Wood, H. Rubio, C. Wood
IGC Proceedings (1977-2023)
No abstract provided.
Restoration Of Vegetation And Soil Nutrients On The Northern Area Of Loess Plateau, Long Bai, L. M. Liu, B. Zhao, Y. Liu, H. X. Wang, T. Kobayashi
Restoration Of Vegetation And Soil Nutrients On The Northern Area Of Loess Plateau, Long Bai, L. M. Liu, B. Zhao, Y. Liu, H. X. Wang, T. Kobayashi
IGC Proceedings (1977-2023)
No abstract provided.
Determination Of Intensity And Socio‐Economic Natural Resources Degradation Factors In Iran Territory, Nasser Ansari, S. J. Sayedaghlaghi, M. H. Ghasemi
Determination Of Intensity And Socio‐Economic Natural Resources Degradation Factors In Iran Territory, Nasser Ansari, S. J. Sayedaghlaghi, M. H. Ghasemi
IGC Proceedings (1977-2023)
No abstract provided.
Influence Of Exclosure Year On Community Structure And Species Diversity On Typical Steppe, G. L. Shan, Zhu Xu, David R. Kemp, F. Ning
Influence Of Exclosure Year On Community Structure And Species Diversity On Typical Steppe, G. L. Shan, Zhu Xu, David R. Kemp, F. Ning
IGC Proceedings (1977-2023)
No abstract provided.
Rangeland Monitoring And Adaptive Management, T. J. Bai, Y. Q. Liang
Rangeland Monitoring And Adaptive Management, T. J. Bai, Y. Q. Liang
IGC Proceedings (1977-2023)
No abstract provided.
Patch Selection By Cattle Can Be Quantified Using Satellite Imagery And Gps In Extensive, Semi-Arid Savannas, Christopher Holloway, Peter O'Reagain, Nigel Tomkins
Patch Selection By Cattle Can Be Quantified Using Satellite Imagery And Gps In Extensive, Semi-Arid Savannas, Christopher Holloway, Peter O'Reagain, Nigel Tomkins
IGC Proceedings (1977-2023)
No abstract provided.
Monitoring Natural Pasture Status In Uruguay Using Satellite Images And A Soil Water Balance Model, J. P. Castaño, A. Giménez, L. Olivera
Monitoring Natural Pasture Status In Uruguay Using Satellite Images And A Soil Water Balance Model, J. P. Castaño, A. Giménez, L. Olivera
IGC Proceedings (1977-2023)
No abstract provided.
Restoring The Biodiversity Of The Roggeveld‐Renosterveld: Evaluation, Multiplication And Establishment Of Indigenous Plant Species On Old Agricultural Fields, J. C. Botha, C. F. Cupido, N. Visser
Restoring The Biodiversity Of The Roggeveld‐Renosterveld: Evaluation, Multiplication And Establishment Of Indigenous Plant Species On Old Agricultural Fields, J. C. Botha, C. F. Cupido, N. Visser
IGC Proceedings (1977-2023)
No abstract provided.
Effects Of Slope And Defoliation Intensity On The Effectiveness Of Desert Wheatgrass For Reduced Runoff And Soil Erosion Under Simulated Rainfall, Haitao Zuo, Juying Wu
Effects Of Slope And Defoliation Intensity On The Effectiveness Of Desert Wheatgrass For Reduced Runoff And Soil Erosion Under Simulated Rainfall, Haitao Zuo, Juying Wu
IGC Proceedings (1977-2023)
No abstract provided.
The Cause Of Grassland Desertification And Its Managing Strategies In Inner Mongolia, P. R. China (Session: A6), Zhaorigetu Chen, Hasibagan, Yuhai Bao, Mary Ann Rankin
The Cause Of Grassland Desertification And Its Managing Strategies In Inner Mongolia, P. R. China (Session: A6), Zhaorigetu Chen, Hasibagan, Yuhai Bao, Mary Ann Rankin
IGC Proceedings (1977-2023)
No abstract provided.
Seedling Recruitment In Steppe Communities, Na Zhao, Kun Wang, Zengwen Wang
Seedling Recruitment In Steppe Communities, Na Zhao, Kun Wang, Zengwen Wang
IGC Proceedings (1977-2023)
No abstract provided.
Reproductive Ecology And Phenology Of Thalassia Testudinum (Hydrocharitaceae) In Tampa Bay, Florida, Sheila Scolaro
Reproductive Ecology And Phenology Of Thalassia Testudinum (Hydrocharitaceae) In Tampa Bay, Florida, Sheila Scolaro
USF Tampa Graduate Theses and Dissertations
Successful sexual reproduction and recolonization are critical in maintaining genetic diversity within seagrass meadows. Thalassia testudinum flower, fruit and seedling production were assessed visually at 10 sites within Tampa Bay, Florida approximately every 4 weeks from May to July 2017 to determine if there is spatial and temporal variation in sexual reproductive effort and if location within a meadow effects sexual reproductive effort. Results from this study reveal strong temporal variability throughout the reproductive season. The month of May was observed as peak Thalassia testudinum anthesis and June was peak fruiting in Tampa Bay during 2017. Flower and fruit density …
Distributed Overgrazing: A Key Cause Of Grassland Degradation In Inner Mongolia, Qian Zhang, Wenjun Li, Yina Xie, Changling Li, Yanbo Li
Distributed Overgrazing: A Key Cause Of Grassland Degradation In Inner Mongolia, Qian Zhang, Wenjun Li, Yina Xie, Changling Li, Yanbo Li
IGC Proceedings (1977-2023)
No abstract provided.
Design Of Leylus‐Chinensis Grassland Root‐Cutter, Yong You, Decheng Wang
Design Of Leylus‐Chinensis Grassland Root‐Cutter, Yong You, Decheng Wang
IGC Proceedings (1977-2023)
No abstract provided.
Study On Wind‐Sand Defending Mechanism Of Single Shrub, Tingting Yang, Xinhong Wu, Guozheng Yao, Peng Li
Study On Wind‐Sand Defending Mechanism Of Single Shrub, Tingting Yang, Xinhong Wu, Guozheng Yao, Peng Li
IGC Proceedings (1977-2023)
No abstract provided.
The Choice And Siting Of Natural Vegetation In Reclamation Of Disturbed Land, T. Weaver, K. Aho, S. Regele
The Choice And Siting Of Natural Vegetation In Reclamation Of Disturbed Land, T. Weaver, K. Aho, S. Regele
IGC Proceedings (1977-2023)
No abstract provided.