Search Results - "Stephan M. Haefele"

Degradability of black carbon and its impact on trace gas fluxes and carbon turnover in paddy soils by Knoblauch, Christian, Maarifat, Arina-Ann, Pfeiffer, Eva-Maria, Haefele, Stephan M.

“…Rice paddy soils are characterized by anoxic conditions, anaerobic carbon turnover, and significant emissions of the greenhouse gas methane. A main source for…”
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Changes in organic carbon to clay ratios in different soils and land uses in England and Wales over time by Prout, Jonah M., Shepherd, Keith D., McGrath, Steve P., Kirk, Guy J. D., Hassall, Kirsty L., Haefele, Stephan M.

“…Realistic targets for soil organic carbon (SOC) concentrations are needed, accounting for differences between soils and land uses. We assess the use of…”
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Unmasking Novel Loci for Internal Phosphorus Utilization Efficiency in Rice Germplasm through Genome-Wide Association Analysis by Wissuwa, Matthias, Kondo, Katsuhiko, Fukuda, Takuya, Mori, Asako, Rose, Michael T, Pariasca-Tanaka, Juan, Kretzschmar, Tobias, Haefele, Stephan M, Rose, Terry J

“…Depletion of non-renewable rock phosphate reserves and phosphorus (P) fertilizer price increases has renewed interest in breeding P-efficient varieties…”
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Biofortification of Staple Crops to Alleviate Human Malnutrition: Contributions and Potential in Developing Countries by Kiran, Aysha, Wakeel, Abdul, Mahmood, Khalid, Mubaraka, Rafia, Hafsa, Haefele, Stephan M.

“…Micronutrient malnutrition is a global health challenge affecting almost half of the global population, causing poor physical and mental development of…”
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Optimizing setup of scan number in FTIR spectroscopy using the moment distance index and PLS regression: application to soil spectroscopy by Barra, Issam, Khiari, Lotfi, Haefele, Stephan M., Sakrabani, Ruben, Kebede, Fassil

“…Vibrational spectroscopy such as Fourier-transform infrared (FTIR), has been used successfully for soil diagnosis owing to its low cost, minimal sample…”
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A comparison of soil texture measurements using mid-infrared spectroscopy (MIRS) and laser diffraction analysis (LDA) in diverse soils by Thomas, Cathy L., Hernandez-Allica, Javier, Dunham, Sarah J., McGrath, Steve P., Haefele, Stephan M.

“…Spectroscopic methods for the determination of soil texture are faster and cheaper than the standard methods, but how do the results compare? To address this…”
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Drought Resistance Improvement in Rice: An Integrated Genetic and Resource Management Strategy by Serraj, Rachid, McNally, Kenneth L., Slamet-Loedin, Inez, Kohli, Ajay, Haefele, Stephan M., Atlin, Gary, Kumar, Arvind

“…Drought is the major constraint to rice production in rainfed areas across Asia and sub-Saharan Africa. In the context of current and predicted water scarcity,…”
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The Effect of Different Organic Fertilizers on Yield and Soil and Crop Nutrient Concentrations by Thomas, Cathy L., Acquah, Gifty E., Whitmore, Andrew P., McGrath, Steve P., Haefele, Stephan M.

“…At present, organic fertilizers are not widely used in intensive arable agriculture, and not much is known about their effects on crop nutrition. In a field…”
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Portable X-ray fluorescence (pXRF) calibration for analysis of nutrient concentrations and trace element contaminants in fertilisers by Acquah, Gifty E, Hernandez-Allica, Javier, Thomas, Cathy L, Dunham, Sarah J, Towett, Erick K, Drake, Lee B, Shepherd, Keith D, McGrath, Steve P, Haefele, Stephan M

“…With the increasing popularity of local blending of fertilisers, the fertiliser industry faces issues regarding quality control and fertiliser adulteration…”
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Comprehensive nutrient analysis in agricultural organic amendments through non-destructive assays using machine learning by Towett, Erick K, Drake, Lee B, Acquah, Gifty E, Haefele, Stephan M, McGrath, Steve P, Shepherd, Keith D

“…Portable X-ray fluorescence (pXRF) and Diffuse Reflectance Fourier Transformed Mid-Infrared (DRIFT-MIR) spectroscopy are rapid and cost-effective analytical…”
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Development and application of gene-based markers for the major rice QTL Phosphorus uptake 1 by Chin, Joong Hyoun, Lu, Xiaochun, Haefele, Stephan M., Gamuyao, Rico, Ismail, Abdelbagi, Wissuwa, Matthias, Heuer, Sigrid

“…Marker-assisted breeding is a very useful tool for breeders but still lags behind its potential because information on the effect of quantitative trait loci…”
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Effect of Different Organic Amendments on Actual and Achievable Yields in a Cereal-Based Cropping System by Albano, Xavier, Whitmore, Andrew P., Sakrabani, Ruben, Thomas, Cathy L., Sizmur, Tom, Ritz, Karl, Harris, Jim, Pawlett, Mark, Watts, Chris, Haefele, Stephan M.

“…Soil fertility is at risk in intensive cropping systems when using an exclusive regime of inorganic fertilisers without returning sufficient organic matter to…”
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Plant Available Zinc Is Influenced by Landscape Position in the Amhara Region, Ethiopia by Desta, Mesfin K, Broadley, Martin R, McGrath, Steve P, Hernandez-Allica, Javier, Hassall, Kirsty L, Gameda, Samuel, Amede, Tilahun, Haefele, Stephan M

“…Zinc (Zn) is an important element determining the grain quality of staple food crops and deficient in many Ethiopian soils. However, farming systems are highly…”
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Landscape and Micronutrient Fertilizer Effect on Agro-Fortified Wheat and Teff Grain Nutrient Concentration in Western Amhara by Manzeke-Kangara, Muneta G., Amede, Tilahun, Bailey, Elizabeth H., Wilson, Lolita, Mossa, Abdul W., Tirfessa, Dereje, Desta, Mesfin K., Asrat, Tadesse G., Agegnehu, Getachew, Sida, Tesfaye S., Desta, Gizaw, Amare, Tadele, Alemayehu, Beamlaku, Haefele, Stephan M., Lark, R. Murray, Broadley, Martin R., Gameda, Sam

“…Agronomic biofortification, encompassing the use of mineral and organic nutrient resources which improve micronutrient concentrations in staple crops is a…”
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Understanding the Interactions between Biomass, Grain Production and Grain Protein Content in High and Low Protein Wheat Genotypes under Controlled Environments by Rahimi Eichi, Vahid, Okamato, Mamoru, Haefele, Stephan M., Jewell, Nathaniel, Brien, Chris, Garnett, Trevor, Langridge, Peter

“…Grain protein content (GPC) is a key quality attribute and an important marketing trait in wheat. In the current cropping systems worldwide, GPC is mostly…”
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The Distribution of Soil Micro-Nutrients and the Effects on Herbage Micro-Nutrient Uptake and Yield in Three Different Pasture Systems by Thomas, Cathy L., Darch, Tegan, Harris, Paul, Beaumont, Deborah A., Haefele, Stephan M.

“…Pasture micro-nutrient concentrations are often deficient for herbage productivity and the health of livestock. The aim of this study was to investigate soil…”
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In Quest of Nitrogen Use-Efficient Rice Genotypes for Drought-Prone Rainfed Ecosystems by Karmakar, Biswajit, Haefele, Stephan M., Henry, Amelia, Kabir, Md Humayun, Islam, Aminul, Biswas, Jatish Chandra

“…Nitrogen (N) use efficiency in rainfed agriculture is generally low because of poor management and unavailability of suitable rice genotypes. There is a need…”
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A Survey: Potential Impact of Genetically Modified Maize Tolerant to Drought or Resistant to Stem Borers in Uganda by Wamatsembe, Isaac, Asea, Godfrey, Haefele, Stephan

“…Maize production in Uganda is constrained by various factors, but especially drought and stem borers contribute to significant yield losses. Genetically…”
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What is a good level of soil organic matter? An index based on organic carbon to clay ratio by Prout, Jonah M., Shepherd, Keith D., McGrath, Steve P., Kirk, Guy J. D., Haefele, Stephan M.

“…Simple measures of appropriate levels of soil organic matter are needed for soil evaluation, management and monitoring, based on readily measurable soil…”
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Biochar amendment techniques for upland rice production in Northern Laos : 1. Soil physical properties, leaf SPAD and grain yield by Asai, Hidetoshi, Samson, Benjamin K, Stephan, Haefele M, Songyikhangsuthor, Khamdok, Homma, Koki, Kiyono, Yoshiyuki, Inoue, Yoshio, Shiraiwa, Tatsuhiko, Horie, Takeshi

“…The objective of this study was to investigate the effect of biochar application (CA) on soil physical properties and grain yields of upland rice (Oryza sativa…”
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