Search Results - "Agroecology"

Genetic variation and genotype x environment interaction in yams (Dioscorea spp.) for root colonization by arbuscular mycorrhiza by Dare, M.O., Abaidoo, Robert C., Fagbola, O., Asiedu, Robert

“…The variation in AM colonization in yam genotypes was evaluated in two experiments at four locations (Ibadan, Onne, Abuja and Ubiaja) in different agroecologies of Nigeria in 2004 and 2005. Twenty-seven genotypes of D. rotundata and 28 of D. alata were investigated in a randomized complete block design with three replicates. …”
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Stability of iron and zinc concentrations in selected genotypes of cassava (Manihot esculenta Crantz) tuberous roots by Ssemakula, G.N., Dixon, Alfred G.O., Maziya-Dixon, B.B.

“…Iron (Fe) and Zinc (Zn) concentrations in tuberous roots of twenty-five cassava (Manihot esculenta Crantz) genotypes were determined over 2 years (2004/2005 and 2005/2006) at five locations representing distinct agroecologies in Nigeria. The objectives were to study the magnitude and nature of genotype by environment interaction (GEI) and stability of the micronutrients concentrations. …”
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Survey of Scutellonema bradys incidence on marketed yam (Dioscorea spp.) in Benin by Baimey, H., Coyne, Danny L., Labuschagne, N.

“…Differences among yam cultivars, yam species, sites of tuber origin, and agroecological zones (AEZ) of tuber cultivation, were analyzed. …”
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Genetic variation for total carotene, iron, and zinc contenet in maize genotypes and cassava clones by Maziya-Dixon, B.B., Kling, J.G., Menkir, A., Dixon, A.

“…The overall objective of this investigation was to determine the extent of genetic variation of these micronutrients in 16 yellow-seeded improved maize varieties, 109 maize inbred lines (60 from mid-altitude and 49 from lowland/savannah agroecologies), and 162 cassava clones resistant to the cassava mosaic disease. …”
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Experiencias y desarrollo de la linea de verduras pesadas en el cinturon horticola de La Plata y alrededores durante el periodo 2012- 2019 by Fajardo, Sebastian

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Biopreparado supermagro: análisis y comparación de distintos casos de estudio by Sanchez, Florencia Miranda

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Evaluación participativa de alternativas agroforestales para la Producción de palmito (Bactris gasipaes H.B.K.) con cultivos anuales en tierras de ladera del Atlántico de Costa Ric... by Leal Rodrigues, Deborah

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Distribución agroecológica de enfermedades del frijol en Costa Rica by Araya F, C.M., Hernández F, J.C.

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Sustainable Forests? : values, perceptions and expectations among three stakeholder groups in the light of the Swedish bioeconomy transition by Stenius, Tove

“…The study embraces an agroecological, holistic approach, as it attempts to capture the biological, socio-economic, and cultural implications that changes in forest governing resulting from the bioeconomy transition might entail. …”

State of ex situ conservation of landrace groups of 25 major crops by Ramírez Villegas, Julián Armando, Khoury, Colin K., Achicanoy Estrella, Harold Armando, Díaz, Maria Victoria, Mendez Alzate, Andres Camilo, Sosa, Chrystian C., Kehel, Zakaria, Guarino, Luigi, Abberton, Michael T., Aunario, Jorrel, Al Awar, Bashir, Alarcón, Juan Carlos, Amri, Ahmed, Anglin, Noelle L., Azevedo, Vania, Aziz, Khadija, Capilit, Grace Lee, Chavez, Oswaldo, Chebotarov, Dmytro, Costich, Denise E., Debouck, Daniel G., Ellis, David, Falalou, Hamidou, Fiu, Albert, Ghanem, Michel Edmond, Giovannini, Peter, Goungoulou, Alphonse J., Gueye, Badara, El Hobyb, Amal Ibn, Jamnadass, Ramni, Jones, Christopher S., Kpeki, Bienvenu, Lee, Jae-Sung, McNally, Kenneth L., Muchugi, Alice, Ndjiondjop, Marie-Noelle, Oyatomi, Olaniyi, Payne, Thomas S., Ramachandran, Senthil, Rossel, Genoveva, Roux, Nicolas Stephan M., Ruas, Max, Sansaloni, Carolina P., Sardos, Julie, Setiyono, Tri Deri, Tchamba, Marimagne, Houwe, Ines van den, Velazquez, J. Alejandro, Venuprasad, Ramaiah, Wenzl, Peter, Yazbek, Mariana, Zavala, Cristian

“…Crop landraces have unique local agroecological and societal functions and offer important genetic resources for plant breeding. …”
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Compositional nutrient diagnosis (CND) and associated yield predictions in maize: a case study in the northern Guinea savanna of Nigeria by Shehu, B.M., Garba, I.I., Jibrin, J.M., Kamara, A., Adam, A.M., Craufurd, Peter Q., Aliyu, K.T., Rurinda, J., Merckx, Roel

“…The availability of extensive data (n = 1,781) from 2-yr nutrient omission trials in the most suitable agroecological zone for maize (Zea mays L.) in Nigeria (i.e., the northern Guinea savanna) provides an opportunity to assess nutrient limitations and imbalances using the concept of multi-ratio compositional nutrient diagnosis (CND). …”
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Using genetic diversity in deep root systems of forage grasses and rice to capture carbon in tropical soils by Arango, Jacobo, Villegas, Daniel Mauricio, Jauregui, Rosa, Cardoso, Juan Andrés, Costa, Ciniro, Rebolledo, Camila, Álvarez, María F., Selvaraj, Michael, Rodríguez, Leonardo, Mayorga, Mildred, Chavarriaga Aguirre, Paul, Notenbaert, An Maria Omer, Quintero, Marcela, Silva, Mayesse Aparecida da, Ishitani, Manabu, Peters, Michael, Rao, Idupulapati M., Tohme, Joseph M.

“…The focus of this BEF funded project is to: (i) develop novel high throughput phenotyping methods to evaluate genetic diversity of root systems of tropical grasses and rice; (ii) unravel the potential of root systems in crop-livestock systems to replenish soil organic carbon (SOC) in human-intervened areas in tropical soils; (iii) identify and target hotspots/agroecological niches for SOC storage in tropical soils; and (iv) build capacity in conducting research on root systems and SOC storage towards carbon farming in tropical regions. …”
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D4N2024 Presentation Showcase – Thematic Session 3b: Examining linkages between climate change and food systems by Nihal, Saif, Salman, Verda, Bakshi, Bhawani, Makhijani, Drishti, Shrestha, Aroja M., Ali, Hazrat, Khondker, Murshed-e-Jahan, Shakya, Prakriti, Sharma, Anjali, Babu, Swati Sinha

“…Saif Nihal, PhD scholar, International Institute for Population Sciences Climate Change and Food Security Across Agro-Ecological Zones of Pakistan Verda Salman, Associate Professor, National University of Sciences and Technology Climate Change, Food Systems, and Nutrition: A One Health Rapid Review Bhawani Bakshi, Independent Consultant Integrating Climate and Nutrition Action in India: A Comprehensive Assessment of Policy and Programmatic Pathways Drishti Makhijani, Consultant, Global Alliance for Improved Nutrition Drought-Induced Food Insecurity in Nepal: The Role of ‘Emergency Loan’ as an Adaptation Strategy Aroja Masal Shrestha, Researcher, Inclusive Development Partners Rapid-fire presentations Evaluating the impact of climate change on agrifood production and dietary diversity in southern Bangladesh Hazrat Ali, Research Fellow, WorldFish Impact of Temperature on Children’s Nutrition: A Study of Three Ecological Regions of Nepal Prakriti Shakya, Research Associate, University of Notre Dame Spatial Heterogeneities in the impact of climate change on child health and nutrition in India: An Agroecological approach Anjali Sharma, Ph.D. Scholar, International Institute for Population Sciences (IIPS), Mumbai, India Exploring the linkages between agricultural production, environmental degradation and climate change with policy implications for sustainability: Evidence from South Asia Swati Sinha Babu, Assistant Professor, Sidho-Kanho-Birsha University…”
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Detecting cumulative effects of inputs within the flexible production function framework through LASSO shrinkage estimation: Implications for potassium fertilizer use in India by Takeshima, Hiroyuki, Kishore, Avinash

“…These patterns hold at both the district and farm levels across diverse agroecologies and cropping systems. Furthermore, the dynamic panel data analyses suggest that farmers’ use of potassium in the current year is significantly negatively affected by its use in the previous year, potentially stabilizing outputs across years. …”
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Soybean selection in Kenya enhanced by multi-trait and genotype-by-environment interaction modeling by Stella, A.A., Pavan, J.P.S., Araujo, M.S., Fregonezi, B.F., Unzimai, I.V., Leles, E.P., Santos, M.F., Goldsmith, P., Chigeza, G., Diers, B.W., Gathungu, T., Njoroge, J., Pinheiro, J.B.

“…Kenya has been progressing in the development of soybean genotypes to identify those best adapted to its diverse agroecological conditions. However, the selection of genotypes with superior agronomic traits and high stability remains limited. …”
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Water insecurity in Sri Lanka, 2024-2025: Evidence from the 2024-2025 BRIGHT survey by Stifel, Elizabeth, Headey, Derek D., Hülsen, Vivien, Munasinghe, Dilusha, Ranucci, Immacolata, Sabai, Moe, van Asselt, Joanna, Weerasinghe, Krishani

“…. • Households in dry agroecological zones face slightly higher risks water insecurity (11%) com-pared to 9% of in both intermediate and wet zones. • Poverty is a key predictor of water insecurity. …”
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Resilient yet productive: maize that can thrive under stress and in optimal conditions by Das, Reshmi Rani, Vinayan, Madhumal Thayil, Seetharam, Kaliyamoorthy, Ahmad, Salahuddin, Thaitad, Suriphat, Nguyen, Thanh Chi, Patel, Manish B., Kumar, Ramesh, Devraj Lenka, Zaidi, Pervez H.

“…These findings underscore the importance of targeted breeding and MET-based selection strategies in developing high-performing stress-resilient maize cultivars for climate-vulnerable agroecologies, with implications for food security, farmer livelihoods, and sustainable cropping systems in the face of escalating climate variability.…”
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An evaluation of lucerne varieties suitable for different agro-ecological zones in Kenya by Lukuyu, Ben A., Methu, J.N., Mwangi, D., Kirui, Josephine, Mwendia, Solomon W., Wamalwa, J., Kavatha, A., Ngae, G.N., Mbure, G.N.

“…In order to choose suitable varieties with high yield and good quality for cultivation, eight lucerne varieties, including seven foreign ones (WL 625 HQ, KKS 9595, WL 414, Robusta, KKS 3864, SA Standard, WL 525 HQ), and a local check Hunter River were studied on farm in seven different agroecological zones (AEZ) in the long and short rain seasons in 2006 using a randomized block design with two replications. …”
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Breeding un-sweetpotato for West Africa: Progress on population development and improvement in Ghana and Peru. by Carey, E.E., Díaz, F., Owusu-Mensah, E., Obeng-Bio, E., Oduro, V., Asafu-Agyei, J.N., Grüneberg, W.J.

“…Introduced germplasm was evaluated in field trials in production zones/agroecologies where sweetpotato is important in Ghana, and farmers participated in selection based on field performance and taste. …”
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Whole-genome sequencing of native sheep provides insights into rapid adaptations to extreme environments by Ji Yang, Wen-Rong Li, Feng-Hua Lv, San-Gang He, Shi-Lin Tian, Wei-Feng Peng, Ya-Wei Sun, Yong-Xin Zhao, Xiao-Long Tu, Min Zhang, Xing-Long Xie, Yu-Tao Wang, Jin-Quan Li, Yong-Gang Liu, Zhi-Qiang Shen, Feng Wang, Guang-Jian Liu, Hong-Feng Lu, Kantanen, Juha, Han Jianlin, Meng-Hua Li, Ming-Jun Liu

“…Sheep (Ovis aries) have become well adapted to a diverse range of agroecological zones, including certain extreme environments (e.g., plateaus and deserts), during their post-domestication (approximately 8–9 kya) migration and differentiation. …”
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