Search Results - "performer"

Detection of banana plants and their major diseases through aerial images and machine learning methods: A case study in DR Congo and Republic of Benin by Gómez Selvaraj, Michael, Vergara, Alejandro, Montenegro, Frank, Alonso Ruiz, Henry, Safari, Nancy, Raymaekers, Dries, Ocimati, Walter, Ntamwira, Jules Bagula, Tits, Laurent, Omondi, Bonaventure Aman Oduor, Blomme, Guy

“…Their accuracies were tested using different performance metrics. Our UAV-RGB mixed-model revealed that the developed object detection and classification model successfully classified healthy and diseased plants with 99.4%, 92.8%, 93.3% and 90.8% accuracy for the four classes: banana bunchy top disease (BBTD), Xanthomonas Wilt of Banana (BXW), healthy banana cluster and individual banana plants, respectively. …”
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Measurement of methane emissions in cattle with infrared gas analyzer and gas chromatography by Gaviria Uribe, Xiomara, Chirinda, Ngonidzashe, Barahona Rosales, Rolando, Bolívar Vergara, Diana María, Rosenstock, Todd S., Arango, Jacobo

“…Gasmet has not previously been used for field measurements of methane in tropical countries, where humidity and temperature may affect performance. To the best of our knowledge, this is the first study to directly compare the FITR technology with gas NDIR system with gas chromatograph to measure methane emissions in cattle. …”
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Genotype by environment cultivar evaluation for cassava brown streak disease resistance in Tanzania by Shirima, R.R., Legg, James P., Maeda, D.G., Tumwegamire, Silver, Mkamilo, G., Mtunda, K., Kulembeka, H., Ndyetabula, I., Kimata, B.P., Matondo, D.G., Ceasar, G., Mushi, E., Sichalwe, K., Kanju, E.

“…Susceptible cultivars and the local check performed well in the absence of CBSD pressure, highlighting the importance of exploiting quality and yield traits of local landraces in breeding programmes. …”
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A novel approach to analyze uncertainties and complexities while mapping groundwater abstractions in large irrigation schemes by Ali Nawaz, Rana, Awan, Usman Khalid, Anjum, L., Liaqat, Umar Waqas

“…In current study, in-situ GW measurements were performed to calibrate and validate the GW abstraction estimated from geo-informatics approach at Lower Bari Doab Canal (LBDC) command area of the Indus basin of Pakistan. …”
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Étude ethnobotanique et contribution de Canarium schweinfurthii (Engl) (Burseraceae) aux services écosystémiques des agroforêts à base de caféiers dans le Département de Bamboutos... by Tsewoue, M.R., Avana-Tientcheu, M.L., Tchoundjeu, Z.

“…La présence de C. schweinfurthii dans les plantations caféières fournit des bénéfices très importants pour l’équilibre de ce système à travers ses multiples usages, la diversité des produits fournis et l’importance des services offerts pour la performance du système. La variation du niveau de connaissance en fonction des groupements est un atout majeur pour la valorisation de l’espèce à travers des échanges de savoirs et savoir-faire inter groupements et au-delà du Département. …”
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Effects of Starch Level and a Mixture of Sunflower and Fish Oils on Nutrient Intake and Digestibility, Rumen Fermentation, and Ruminal Methane Emissions in Dairy Cows by Darabighane, Babak, Tapio, Ilma, Ventto, Laura, Kairenius, Piia, Stefański, Tomasz, Leskiene, Heidi, Shingfield, Kevin J, Cilkki, Johanna, Bayat, Ali-Reza

“…Understanding the interactions of these strategies on methane emission, as well as performance, digestibility, and rumen fermentation is important. …”
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Understanding variability in greenhouse gas emission estimates of smallholder dairy farms in Indonesia by Apdini, Titis, Al Zahra, Windi, Oosting, Simon J, Boer, Imke J.M. de, Vries, Marion de, Engel, Bas, Middelaar, Corina E.M. van

“…Farm visits (FVs) were performed every 2 months throughout 1 year: FV1–FV3 (rainy season) and FV4–FV6 (dry season). …”
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Visual soil examination and evaluation in the sub-humid and semi-arid regions of Kenya by Mutuku, E.A., Vanlauwe, Bernard, Roobroeck, D., Boeckx, P., Cornelis, Wim M.

“…This study contributes to the validation of visual field assessments by comparing the performance of such methods on ‘tropical’ soils. The study was conducted across two regions with contrasting soil types and land use, in the sub-humid with clay Nitiosl and semi-arid with sandy loam Cambisol locations of Kenya. …”
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Effects of breed exoticness and agroecological zones on selected production and fertility traits in multibreed dairy cattle in Kenya by Oloo, Richard Dooso, Ekine-Dzivenu, Chinyere C., Ojango, Julie M.K., Mrode, Raphael A., Okeyo Mwai, Ally, Chagunda, Mizeck G.G.

“…Test-day milk yield (MY) records (n = 62321) together with fertility-trait records on age at first calving (AFC) (n = 1490) and calving interval (CI) (n = 2640) from a total of 1490 dairy cattle performing in semi-arid arable, semi-arid pasture-based, and semi-humid agroecological zones were analyzed. …”
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Physiological responses and transcriptomic changes reveal the mechanisms underlying adaptation of Stylosanthes guianensis to phosphorus deficiency by Chen, Zhijian, Song, Jianling, Li, Xinyong, Arango, Jacobo, Cardoso, Juan Andrés, Rao, Idupulapati M., Schultze-Kraft, Rainer, Peters, Michael, Mo, Xiaohui, Liu, Guodao

“…In addition, better root growth performance and higher leaf and root APase activities were observed with RY2 compared to RY5. …”
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Optimizing breeding structures and related management in community-based goat breeding programs in the Borana pastoral system of Ethiopia by Getachew, Tesfaye, Rischkowsky, Barbara A., Rekik, Mourad, Mueller, Joaquin, Tessema, Tamirat, Solomon, Dawit, Haile, Aynalem

“…In Borana goat community-breeding program, breeding buck need to be selected using an index combining at least own live weight and dam milk yield performance. Essential requirements for ensuring the sustainability of such programs are also discussed in the paper.…”
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Fractures and resilience of agri-food value chains in the context of COVID-19: A review of recent evidence by Stoian, D., Marenya, Paswel Phiri, Donovan, J., Pamerneckyte, G.

“…In support of better preparedness for future crises, more in-depth analysis is needed to better understand pre-existing conditions and their bearing on value chain performance, along with mid- and long-term effects of specific policy, private sector and civil society interventions in agri-food value chains in response to the pandemic. …”
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Sero-epidemiological survey of Coxiella burnetii in livestock and humans in Tana River and Garissa counties in Kenya by Mwololo, D., Nthiwa, Daniel, Kitala, P., Abuom, T., Wainaina, M., Kairu-Wanyoike, S., Lindahl, Johanna F., Ontiri, Enoch, Bukachi, S., Njeru, I., Karanja, J., Sang, R., Grace, Delia, Bett, Bernard K.

“…Multivariable analyses were performed with households as random effects to adjust for the within-household correlation of C. burnetii exposure among animals and humans, respectively. …”
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A data-mining approach for developing site-specific fertilizer response functions across the wheat-growing environments in Ethiopia by Abera, Wuletawu, Tamene, Lulseged D., Tesfaye, Kindie, Jiménez, Daniel, Dorado, Hugo, Erkossa, Teklu, Kihara, Job Maguta, Ahmed, Jemal Seid, Amede, Tilahun, Ramírez Villegas, Julián Armando

“…The model explained about 83, 82, 47, and 69% of variances of yield for N, P, K, and S omission, respectively, with consistent performance across training and testing datasets. Expectedly, for N and P omission data, the most important explanatory variables are nutrient rate, followed by soil organic carbon and soil pH. …”
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Variety and on-farm seed management practices affect potato seed degeneration in the tropical highlands of Ecuador by Navarrete, I., López, V., Borja, R., Oyarzún, P., Garrett, K.A., Almekinders, Conny J.M., Xing, Y., Struik, P.C., Andrade-Piedra, J.L.

“…METHODS We surveyed farmers in the Cotopaxi province, Ecuador, in 2008, 2010, and 2018, and performed a study on the incidence of pathogens and pests in farmers' seed lots in 2018. …”
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Modeling the spatial distribution of soil organic carbon and carbon stocks for the Casanare flooded Savannas, Colombia by Martin López, Javier Mauricio, Verchot, Louis V., Martius, Christopher, Silva, Mayesse Aparecida da

“…Although both DSM approaches performed very well, EK was considered slightly superior to predict SOC in the Casanare flooded savannas. …”
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Effect of fertilizer combinations on soil chemical properties, growth and yield of cassava (Manihot esculenta Crantz) in Ogun State by Oyebade, B.A.

“…In terms of cassava height and girth, application of full NPK performed better and NPK + Micro-nutrient treatments recorded the highest number of leaves per plant in both sites. …”
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The epidemiology of bovine viral diarrhea virus in lowand middle-income countries: A systematic review and meta-analysis by Zirra-Shallangwa, B., González Gordon, L., Hernandez-Castro, L.E., Cook, Elizabeth A.J., Bronsvoort, B.M. de C., Kelly, Robert F.

“…It is characterized by a combination of syndromes that result in poor production performance and calf morbidity and mortality. BVDV control is possible by introduction of biosecurity measures, test-and-cull, and vaccination programs as accomplished in high-income countries. …”
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Investigation on the risk of brucellosis linked to the production and consumption of milk in rural Cinzana, Mali by Sow, I., Fane, A., Niang, M., Makita, K., Costard, Solenne, Grace, Delia, Bonfoh, Bassirou

“…Rose Bengal test was performed on all human and animal sera. Positive Rose Bengal samples were tested by ELISA for confirmation. …”
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Weight gain and enteric methane production of cattle fed on tropical grasses by Korir, Daniel, Marquardt, Svenja, Eckard, Richard, Sánchez, Andrea C., Dickhoefer, Uta, Merbold, Lutz, Butterbach-Bahl, Klaus, Jones, Christopher S., Robertson-Dean, M., Goopy, John P.

“…Conclusion: Even though animal performance and MY among treatments did not differ, the animals had higher MY and Ym than currently estimated by the Intergovernmental Panel on Climate Change. …”
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