Post-anthesis carbon and nitrogen dynamics
The impact of post-anthesis nitrogen and water availability on yield formation of winter wheat
... at anthesis may satisfy the increased grains’ demands that resulted from N ...increasing post-floral as- similation, and the surplus assimilates could not only compensate for the low-N-induced ...
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The effect of post anthesis water supply on grain nitrogen concentration and grain nitrogen Šeld of winter wheat
... The main results of presented experiment may be summarized as follows. The post-anthesis wa- ter regime significantly and consistently affected grain nitrogen concentration and grain N yield of ...
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Effect of a Post Anthesis Foliar Application of Nitrogen on Grain Protein and Milling and Baking Quality of Spring Wheat
... additional nitrogen applied as urea at planting, and 75% of the recommended nitrogen rate applied as urea at planting plus 33 kg·ha −1 of N as a fo- liar application of a 1:1 mixture of water and urea ...
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The effect of different post anthesis water supply on the carbon isotope discrimination of winter wheat grain
... before anthesis, depending on soil water content and precipitation, with the aim of reach- ing 150–160 mm water in 0–90 cm at the start of anthesis, and 140–150 mm during grain ...
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Dynamics of soil carbon and nitrogen in changing boreal environments
... In general, more knowledge is needed concerning the impacts of a changing environment on element cycling and biogeochemistry. Anthropogenic actions alter the atmospheric, terrestrial, and aquatic environment in many ...
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Effect of organic treatments on soil carbon and nitrogen dynamics in vineyard
... organic carbon (TOC) and total nitrogen (N tot ) in the topsoil after one year of ...20-year carbon stock dynamics in Italy vineyards, the average increase resulted ...
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Contributions of secondary forest and nitrogen dynamics to terrestrial carbon uptake
... terrestrial carbon-nitrogen cycle compo- nent of the Integrated Science Assessment Model (ISAM) to investigate the impacts of nitrogen dynamics on regrowing secondary forests over the 20th ...
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Implications of carbon saturation model structures for simulated nitrogen mineralization dynamics
... Figure 5. The inorganic N pool during decomposition of a 5 Mg C ha −1 residue addition with a r of 60 in a soil with 0.05 clay concentration (a) and 0.25 clay concentration (b). Soil C pool sizes for each model structure ...
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Carbon and nitrogen dynamics and greenhouse gases emissions in constructed wetlands: a review
... Managing wetting and drying spells (pulsing hydrology) in CWs can enhance NH + 4 removal. Similarly, oxidation of organic C will increase CO 2 production and, in anaerobic conditions, may be reduced to CH 4 . This ...
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Carbon and Nitrogen Dynamics in Plants Grown at Low CO2 Conditions of the Past
... Growth at the low atmospheric CO 2 concentrations that dominated most of the recent geological past is known to decrease plant growth. It is unknown, however, how plants balanced carbon investment between primary ...
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Nitrogen alters carbon dynamics during early succession in boreal forest
... a b s t r a c t Boreal forests are an important source of wood products, and fertilizers could be used to improve forest yields, especially in nutrient poor regions of the boreal zone. With climate change, fire ...
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Effects of diet and manure storage method on carbon and nitrogen dynamics during storage and plant nitrogen uptake
... greenhouse study. There were two mixtures prepared for use in the study: 250 g soil + amendment for sampling after 2 weeks incubation (for soil analysis post treatment application), and 2.5 kg soil + amendment for ...
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The impact of source or sink limitations on yield formation of winter wheat (Triticum aestivum L ) due to post anthesis water and nitrogen deficiencies
... 1 Faculty of Agriculture, University of Peradeniya, Peradeniya, Sri Lanka 2 Institute of Plant Sciences, ETH Zentrum, Zurich, Switzerland AbStRAct Moisture stress is an important factor affecting field-grown maize in the ...
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Interaction of long-term nitrogen fertilizer application, crop rotation, and tillage system on soil carbon and nitrogen dynamics
... rotation. Nitrogen fertilizer had more effects on 0-120 cm SOC and TN storage under no-till than conventional tillage systems for the C-S rotation, but the opposite was true for CC ...TN dynamics were more ...
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Carbon, nitrogen and water dynamics in dryland wheat, with particular reference to haying-off
... after anthesis (DC72), tubes were weighed and watered as necessary to 30% and 77% of estimated plant available water for water stressed and non-stressed plants ...high nitrogen plants were partially ...
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Woodland development and soil carbon and nitrogen dynamics and storage in a subtropical savanna ecosystem
... these active, slow, and passive soil organic matter pools are not well understood. Accurate estimates of these pool sizes and flux rates are essential for determining whether soils are net sources or sinks of atmospheric ...
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PEATBOG: a biogeochemical model for analyzing coupled carbon and nitrogen dynamics in northern peatlands
... peatlands, nitrogen is often a lim- iting nutrient and regulates the rates of C and N cycling and individual processes, and thus also controls elemental effluxes to the atmosphere and discharging ...
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Nitrogen and carbon dynamics in the Scheldt estuary at the beginning of the 21st century ? a modelling study
... Decreasing levels of [CO 2 ] lower the CO 2 saturation state of the water and eventually lead to less CO 2 export to the atmosphere (The total amount of.. Hofmann et al. Title Page Abstr[r] ...
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DETERMINATION OF TOLERANCE LEVEL OF SOME WHEAT GENOTYPES TO POST-ANTHESIS DROUGHT
... Araus, J.L., D. Villegas, N. Aparicio, L.F. Garcia del Moral, S. El Hani, Y. Rharrabti, J.P. Ferrio, C. Royo, 2003. Environmental factors determining carbon isotope discrimination and yield in drum wheat under ...
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Study of wheat grain protein increasing through foliar application of nitrogen after anthesis
... need Nitrogen for growth and development. Nitrogen absorbed by plants mainly in the form of nitrate and ...with Carbon to make Glutamic ...took Nitrogen which is consumed for vegetative growth ...
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