subsoil Concept

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research area of

• Bouman, Bas, Director, IRRI, IRRI
• KROPFF, Martin, Director General, CIMMYT, CIMMYT
• Martius, Christopher, Managing Director - Geschäftsführer CIFOR Germany gGmbH, CIFOR, CIFOR
• Sanginga, Nteranya, Director General, IITA, The Alliance of Bioversity and CIAT
• Shepherd, Keith, Soils Theme Leader, ICRAF, ICRAF
• Vanlauwe, Bernard, Director R4D, Central Africa and Natural Resource Management, IITA, The Alliance of Bioversity and CIAT
• Xu, Jianchu, Regional Coordinator-East and Central Asia, ICRAF, ICRAF

subject area of

• Agroforestry systems: Meta‐analysis of soil carbon stocks, sequestration processes, and future potentials
• An assessment of chemical properties for soils of Rwanda with the use of geostatistical techniques
• Analysis of steady state chloride transport through two heterogeneous field soils
• Assessing the Potential for Zone‐Specific Management of Cereals in Low‐Rainfall South‐Eastern Australia: Combining On‐Farm Results and Simulation Analysis
• Assessment of labile phosphorus fractions and adsorption characteristics in relation to soil properties of West African savanna soils
• Boron Toxicity Tolerance in Crops: A Viable Alternative to Soil Amelioration
• Breeding for improved abiotic stress tolerance in maize adapted to southern Africa
• Carbon dynamics in topsoil and subsoil along a cultivated toposequence
• Clay addition and redistribution to enhance carbon sequestration in soils
• Contributory factors to soil spatial variability in an ultisol I. burning vegetation residues in heaps during land clearing
• Contributory factors to soil spatial variability in an ultisol. II. Retention of living trees in situ following land clearing
• DYNAMICS OF AVAILABLE NITROGEN IN PADDY SOILS : I. Changes in Available N during Rice Cultivation and Origin of N
• Deep soil carbon storage in tree-dominated land use systems in tropical lowlands of Kalimantan
• Dissolved organic carbon leaching from montane grasslands under contrasting climate, soil and management conditions
• Effects of Pinus caribaea forests on the C, N, P, and S status of Brazilian savanna Oxisols
• Effects of drought stress and arbuscular mycorrhiza on the growth of Gliricidia sepium (Jacq). Walp, and Leucaena leucocephala (Lam.) de Wit. in simulated eroded soil conditions
• Environmental implications of high metal content in soils of a titanium mining zone in Kenya
• Evaluating indicators of land degradation in smallholder farming systems of western Kenya
• Forms and pedogenic distribution of extractable iron in selected wetland soils in Nigeria.
• Genotypic differences in root penetration ability of wheat through thin wax layers in contrasting water regimes and in the field
• Greenhouse evaluation of two woody hedgerows as affected by arbuscular mycorrhizal fungus (AMF), soil quality and moisture
• Growth and distribution of maize roots under nitrogen fertilization in plinthite soil
• Historical charcoal additions alter water extractable, particulate and bulk soil C composition and stabilization
• Hydraulic resistance in puddled rice soils: measurement and effects on water movement.
• Landscape-scale assessments of stable carbon isotopes in soil under diverse vegetation classes in East Africa: application of near-infrared spectroscopy.
• Methane Emission from Deepwater Rice Fields in Thailand
• Methane production and emission in surface and subsurface rice soils and their blends
• Methane production capacities of different rice soils derived from inherent and exogenous substrates
• Mineral N dynamics in bare and cropped Leucaena leucocephala and Dactyladenia barteri alley cropping systems after the addition of 15N‐labelled leaf residues
• Nitrogen and phosphorus supply controls soil organic carbon mineralization in tropical topsoil and subsoil
• Opportunities to improve phosphorus efficiency and soil fertility in rainfed lowland and upland rice ecosystems
• Original paper: Modification of a spatially referenced crop model to simulate the effect of spatial pattern of subsoil salinity
• Possible influence of termites (Macrotermes bellicosus) on forms and composition of free sesquioxides in tropical soils.
• Properties of rice soils affecting methane production potentials: 2. Differences in topsoil and subsoil
• RAPID MULTIPLICATION OF POTATOES: INFLUENCE OF ENVIRONMENT AND MANAGEMENT ON GROWTH OF JUVENILE APICAL CUTTINGS
• Rapid multiplication of potatoes in the warm tropics: rooting and establishment of cuttings.
• Readily available concentrations of selected micronutrients and harmful metals in soils of Sub-Saharan Africa
• Reducing bypass flow through a dry, cracked and previously puddled rice soil
• Root and soil carbon distribution at shoulderslope and footslope positions of temperate toposequences cropped to winter wheat
• Selected trace elements evaluation in soil from an urban farming area
• Senna siamea trees recycle Ca from a Ca-rich subsoil and increase the topsoil pH in agroforestry systems in the West African derived savanna zone
• Soil Carbon and Nitrogen Changes in Long‐Term Continuous Lowland Rice Cropping
• Soil and water table management effects on aluminum dynamics in an acid sulphate soil in Vietnam
• Soil nitrate dynamics in relation to nitrogen source and landscape position in Malawi
• Soil particle accumulation in termite ( Macrotermes bellicosus ) mounds and the implications for soil particle dynamics in a tropical savanna Ultisol
• Soil respiration in sloping rubber plantations and tropical natural forests in Xishuangbanna, China
• Soluble and exchangeable aluminum in Ultisols and Alfisols in West Africa
• Sources of Soil Variation in An Acid Ultisol of the Philippines
• Spatial Distribution of Soil Hydrological Properties in the Kilombero Floodplain, Tanzania
• Spatial variability in penetration resistance of a hardsetting tropical alfisol
• Spatial variability of soluble boron in Syrian soils
• Subsoil Nitrogen Capture in Mixed Legume Stands as Assessed by Deep Nitrogen‐15 Placement
• Subsoil gravel horizon and maize root growth
• Subsoil improvement in a tropical coarse textured soil: Effect of deep-ripping and slotting
• Surface energy balance and actual evapotranspiration of the transboundary Indus Basin estimated from satellite measurements and the ETLook model
• Sustaining productivity of lowland rice soils: issues and options related to N availability.
• Termite mounds in relation to the surrounding soils in the forest and derived savanna zones of southeastern Nigeria
• Terrestrial pyrogenic carbon export to fluvial ecosystems: Lessons learned from the White Nile watershed of East Africa
• The effect of fallow and continuous cultivation on the chemical and physical properties of an alfisol in western Nigeria
• Using a Crop/Soil Simulation Model and GIS Techniques to Assess Methane Emissions from Rice Fields in Asia. III. Databases
• Variable responses of the depth of tree nitrogen uptake to pruning and competition.
• Water use efficiency of flooded rice fields II. Percolation and seepage losses
• Water use efficiency of flooded rice fields. I. Validation of the soil-water balance model SAWAH.