Search Results - "A"
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Use of 15N-labeled soil in measuring nitrogen fertilizer recovery efficiency in transplanted rice
Published 2000“…The 33.2% of added 15N not accounted for in the plant–soil system was a measure of N fertilizer losses (NH3 volatilization from floodwater, denitrification, NH3 loss through the plant during grain fill) that were not affected by isotope substitution. …”
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Journal Article -
Nitrogen potassium fertilization and soil-moisture effects on growth and development of drip-irrigated sugarcane
Published 1986“…Thus, there were six treatment combinations. The soil was a Molokai silty clay loam (Typic Torrox). Stalk population was 16% greater (P<0.05) in high than low N‐K treatments, whereas there was no significant effect of irrigation treatment on stalk population. …”
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Journal Article -
Agricultural advisory services in Tajikistan: Private sector role
Published 2025“…Agricultural advisory services (AAS) may play a crucial role in supporting Tajikistan’s food security and rural development by helping farmers to increase productivity, adopt new technologies, and access to the markets. …”
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Brief -
What adults in rural South Asia eat and when they eat it: Evidence from Bangladesh, India, and Nepal
Published 2025“…Background Poor diets pose a threat to all forms of malnutrition and diet-related noncommunicable diseases (NCDs). …”
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Preprint -
Menú tecnológico - Maíz y frijol en el Oriente de Honduras
Published 2024“…Los técnicos y productores identifican problemas de compactación lo que limita la infiltración de agua y por ende limitan la fertilidad del suelo contribuyendo a bajos rendimientos de los cultivos establecidos. …”
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Informe técnico -
Reducing Emissions from Fertilizers: Opportunities and Challenges
Published 2024“…Combining nitrogen and green hydrogen with a renewable energy-driven N reduction reaction rather than the Haber-Bosch process can further reduce emissions. …”
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Informe técnico -
Yield and Farmer Preferences of Biofortified Orange-Fleshed Sweetpotato Varieties under Drought-Prone Conditions in Malawi
Published 2024“…Participatory variety selection was conducted to capture farmer preferences at vegetative and harvesting stages. A total of 414 farmers participated in the variety selection, including 199 women and 215 men. …”
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Informe técnico -
On-farm nitrogen, phosphorus, and potassium partial balances in three major rice production systems in sub-Saharan Africa
Published 2025“…The partial balance of all three nutrients was generally negative except for a few sites, with more negative P (70 %) and K (73 %) partial balances compared to the N partial balance (51 %). …”
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Journal Article -
Effect of organic farming practices on soil health improvement of Coconut farms
Published 2025“…The present study aimed to provide data on what extend of organic management (OF) improve soil health compared to conventional farms (CF). In this study, a total of 24 top soil samples (0–30 cm) were collected from Mo Cay Nam and Mo Cay Bac, Ben Tre, Vietnam, representing organic vs conventional farm soils, respectively to analyze farming systems in terms of the chemical, physical, and biological soil properties. …”
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Journal Article -
Seasonal maize yield forecasting in South and East African countries using hybrid earth observation models
Published 2024“…To help governments in Kenya (KEN), Zambia (ZMB), and Malawi (MWI) adopt digitally advanced maize yield forecasts, we developed a hybrid model based on the Regional Hydrologic Extremes Assessment System (RHEAS) and machine learning. …”
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Journal Article -
Characterization of phenotypic traits associated with anthracnose resistance in selected common bean (Phaseolus vulgaris L.) breeding material
Published 2024“…Selected varieties were planted in anthracnose hotspot fields and the same CBVs were planted in a screen house to validate resistance to anthracnose. …”
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Journal Article -
Predicting aflatoxin risk in maize using machine learning and satellite data in East and Southern Africa
Published 2025“…The trained random forest ranger model showed consistent performance with a balanced accuracy of 51%, overall accuracy of 48%, and F1-scores of 32%. …”
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Journal Article -
Assessing the accuracy of multi-model approaches for downscaling land surface temperature across diverse agroclimatic zones
Published 2025“…Land surface temperature (LST) is a critical parameter for land surface and atmospheric interactions. …”
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Journal Article -
Essential commodities prices, availability, and market actors’ perceptions: June 2025
Published 2025“…Wheat prices stabilized in June after a mid-May spike, while sorghum and millet fluctuated modestly. …”
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Informe técnico -
Validation assessment of nitrogen and irrigation effects on early maturing rice varieties Cakrabuana and Inpari 13 through ORYZA (v3) modeling
Published 2025“…These findings support the ORYZA (v3) calibrated model as a reliable support planting forecasts for Cakrabuana variety, while further calibration of Inpari 13 is needed.…”
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Journal Article -
Effects of crop cover on temperature regime of an alfisol in the tropics
Published 1983“…The effect of increasing crop canopy on soil temperature on a given day (that provided an identical radiation for all plots) was studied for the flat seedbed by staggering the seeding dates of crops in the first season of 1981. …”
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Journal Article -
Forage grasses evaluation in different agro-ecological zones in Tanzania
Published 2025“…Cultivar Massai had the highest fiber content- NDF and ADF, and lowest digestibility, indicating lower forage quality compared to the Urochloa hybrids. On a dry basis, Cayman would be the grass of choice, especially at semi-arid Mpwapwa and Low land Tanga. …”
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Poster -
Evaluation of CGIAR Science Groups: Synthesis Report
Published 2024“…Included in the report are a total of 35 evidence-based recommendations and 10 improvement areas based on SG evaluation findings. …”
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Informe técnico -
Large range sizes link fast life histories with high species richness across wet tropical tree floras
Published 2025“…These links suggest that dispersal has been a key process in the evolution of the tropical forest flora.…”
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Journal Article