Relevant bibliographies by topics / Greening N

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  2. Dissertations / Theses
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Academic literature on the topic 'Greening N'

Author: Grafiati
Published: 4 June 2021
Last updated: 16 February 2022

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Journal articles on the topic "Greening N"

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Paparozzi, Ellen T., Joshua R. Widhalm, and M. Elizabeth Conley. "(68) The Role of Proteins in Leaf Re-greening." HortScience 41, no. 4 (July 2006): 1018D—1018. http://dx.doi.org/10.21273/hortsci.41.4.1018d.

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Common swedish ivy plants when exposed to nitrogen (N) stress display typical nitrogen deficiency symptoms such as reddening of stems and petioles and yellowing of leaves. When N levels are restored, leaves of swedish ivy plants will re-green without leaf loss. An experiment was conducted to determine how proteins change when leaves were re-greened after N deficiency. Cuttings of Plectranthus australis were rooted under mist and allowed to yellow. Plants were then potted up and fertilized with one of two treatments: complete nutrients with N at 150 ppm or complete nutrients with 0.8 ppm N. The experimental design was a randomized complete-block design with six blocks. Each block had the two N treatments and six plants per treatment. After 3–4 weeks, all plants in the 150-ppm N treatment had re-greened and leaf samples for protein analysis were taken. Plants in four of the six blocks were then switched to the other treatment. After leaves had re-greened once again, leaf samples were taken and the experiment was terminated. Two-dimensional polyacrylamide gel electrophoresis was used to compare the treatments. No obvious differences in protein absence or presence were noted. However, Rubisco appeared to be differentially expressed between the two treatments. 2-D gel analysis with subsequent Western blots showed that for most of the leaf samples, the large subunit of Rubisco (56kD) was quantitatively about 1.3 times more concentrated in the N-deficient plants and possibly modified. The small subunit (12kD) was not reliably detectable. Additional protein results for repeated leaf re-greening and the role Rubsico may play in leaf re-greening will be discussed.
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Wang, Fang, Hong Yuan Li, and Xin Li. "Research and Application of Greening Waste Composting." Advanced Materials Research 864-867 (December 2013): 1882–85. http://dx.doi.org/10.4028/www.scientific.net/amr.864-867.1882.

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The present situation of composting greening wastes was reviewed in this paper. The feasibility of composting garden wastes was analyzed, and some related technical processes including the treatment of materials, the adjustment of C/N ratio, and the choice of strains were described. Then the use of composting products was analyzed at home and abroad. Finally, the prospect of waste composting in China was discussed.
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Knypl, J. S. "Effect of 2-chloroethylphosphonic acid and vanillin on chlorophyll, protein and RNA synthesis in detached cucumber cotyledons, and chlorophyll degradation in senescing leaf discs of kale." Acta Societatis Botanicorum Poloniae 40, no. 2 (2015): 257–74. http://dx.doi.org/10.5586/asbp.1971.016.

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N<sup>6</sup>-benzylaminopurine (BAP) and KC1 stimulated growth in detached greening cucumber cotyledons; BAP enhanced RNA synthesis whereas KCl strikingly accelerated leucine-<sup>14</sup>C incorporation into proteins. Vanillin (0.01 M) inhibited greening and protein synthesis, and nullified the stimulatory effects of KC1. a-chloroethylphosphonic acid (CEPA, 0.01 M) inhibited greening without any effect on protein synthesis when it was applied alone; CEPA decreased RNA synthesis, completely nullified the K<sup>+</sup>-induced synthesis of chlorophyll, and reduced the BAP<sup>-</sup> or KCl<sup>-</sup>induced growth. Vanillin inhibited yellowing in 'senescing leaf discs of kale kept in darkness, whereas CEPA had an opposite effect.
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Gaudino, Stefano, Pytrik Reidsma, Argyris Kanellopoulos, Dario Sacco, and Martin van Ittersum. "Integrated Assessment of the EU’s Greening Reform and Feed Self-Sufficiency Scenarios on Dairy Farms in Piemonte, Italy." Agriculture 8, no. 9 (September 4, 2018): 137. http://dx.doi.org/10.3390/agriculture8090137.

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Specialised dairy farms are challenged to be competitive and yet respect environmental constrains. A tighter integration of cropping and livestock systems, both in terms of feed and manure flows, can be beneficial for the farm economy and the environment. The greening of the direct payments, which was introduced in the European Union’s greening reform in 2013, is assumed to stimulate the transition towards more sustainable systems. The aim of this study was to quantitatively assess the impacts of greening policies on important economic and environmental indicators of sustainability, and explore potential further improvements in policies. The Farm System SIMulator (FSSIM) bioeconomic farm model was used to simulate the consequences of scenarios of policy change on three representative dairy farms in Piedmont, Italy, i.e., an ‘intensive’, an ‘extensive’, and an ‘organic’ dairy farm. Results showed that in general, there is a large potential to increase the current economic performance of all of the farms. The most profitable activity is milk production, resulting in the allocation of all of the available farm land to feed production. Imposing feed self-sufficiency targets results in a larger adaptation of current managerial practice than the adaptations that are required due to the greening policy scenario. It was shown that the cropping system is not always able to sustain the actual herd composition when 90% feed self-sufficiency is imposed. Regarding the greening policies, it is shown that extensive and organic farms already largely comply with the greening constrains, and the extra subsidy is therefore a bonus, while the intensive farm is likely to sacrifice the subsidy, as adapting the farm plan will substantially reduce profit. The introduction of nitrogen (N)-fixing crops in ecological focus areas was the easiest greening strategy to adopt, and led to an increase in the protein feed self-sufficiency. In conclusion, it is important to note that the greening policy in its current form does not lead to reduced environmental impacts. This implies that in order to improve environmental performance, regulations are needed rather than voluntary economic incentives.
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Kuppusamy, Thirumurugen, Dorothee Hahne, Kosala Ranathunge, Hans Lambers, and Patrick M. Finnegan. "Delayed greening in phosphorus-efficient Hakea prostrata (Proteaceae) is a photoprotective and nutrient-saving strategy." Functional Plant Biology 48, no. 2 (2021): 218. http://dx.doi.org/10.1071/fp19285.

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Hakea prostrata R.Br. (Proteaceae) shows a ‘delayed greening’ strategy of leaf development characterised by reddish young leaves that become green as they mature. This trait may contribute to efficient use of phosphorus (P) during leaf development by first investing P in the development of leaf structure followed by maturation of the photosynthetic machinery. In this study, we investigated the properties of delayed greening in a highly P-efficient species to enhance our understanding of the ecological significance of this trait as a nutrient-saving and photoprotective strategy. In glasshouse-grown plants, we assessed foliar pigments, fatty acids and nutrient composition across five leaf developmental stages. Young leaves had higher concentrations of anthocyanin, P, nitrogen (N), copper (Cu), xanthophyll-cycle pigments and saturated fatty acids than mature leaves. As leaves developed, the concentration of anthocyanins decreased, whereas that of chlorophyll and the double bond index of fatty acids increased. In mature leaves, ~60% of the fatty acids was α-linolenic acid (C18:3 n-3). Mature leaves also had higher concentrations of aluminium (Al), calcium (Ca) and manganese (Mn) than young leaves. We conclude that delayed greening in H. prostrata is a strategy that saves P as well as N and Cu through sequential allocation of these resources, first to cell production and structural development, and then to supplement chloroplast development. This strategy also protects young leaves against photodamage and oxidative stress during leaf expansion under high-light conditions.
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Dvorakova, Klara, Uta Heiden, and Bas van Wesemael. "Sentinel-2 Exposed Soil Composite for Soil Organic Carbon Prediction." Remote Sensing 13, no. 9 (May 4, 2021): 1791. http://dx.doi.org/10.3390/rs13091791.

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Pilot studies have demonstrated the potential of remote sensing for soil organic carbon (SOC) mapping in exposed croplands. However, the use of remote sensing for SOC prediction is often hindered by disturbing factors at the soil surface, such as photosynthetic active and non-photosynthetic active vegetation, variation in soil moisture or surface roughness. With the increasing amount of freely available satellite data, recent studies have focused on stabilizing the soil reflectance by building image composites. These composites tend to minimize the disturbing effects by applying sets of criteria. Here, we aim to develop a robust method that allows selecting Sentinel-2 (S-2) pixels with minimal influence of the following disturbing factors: crop residues, surface roughness and soil moisture. We selected all S-2 cloud-free images covering the Belgian Loam Belt from January 2019 to December 2020 (in total 36 images). We then built nine exposed soil composites based on four sets of criteria: (1) lowest Normalized Burn Ratio (NBR2), (2) Normalized Difference Vegetation Index (NDVI) < 0.25, (3–5) NDVI < 0.25 and NBR2 < threshold, (6) the ‘greening-up’ period of a crop and (7–9) the ‘greening-up’ period of a crop and NBR2 < threshold. The ‘greening-up’ period was selected based on the NDVI timeline, where ‘greening-up’ is considered as the last date of acquisition where the soil is exposed (NDVI < 0.25) before the crop develops (NDVI > 0.25). We then built a partial least square regression (PLSR) model with 10-fold cross-validation to estimate the SOC content based on 137 georeferenced calibration samples on the nine composites. We obtained non-satisfactory results (R2 < 0.30, RMSE > 2.50 g C kg–1, and RPD < 1.4, n > 68) for all composites except for the composite in the ‘greening-up’ stage with a NBR2 < 0.07 (R2 = 0.54 ± 0.12, RPD = 1.68 ± 0.45 and RMSE = 2.09 ± 0.39 g C kg–1, n = 49). Hence, the ‘greening-up’ method combined with a strict NBR2 threshold allows selecting the purest exposed soil pixels suitable for SOC prediction. The limit of this method might be its coverage of the total cropland area, which in a two-year period reached 62%, compared to 95% coverage if only the NDVI threshold is applied.
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Zhang, Yitao, Balaram S. Takale, Fabrice Gallou, John Reilly, and Bruce H. Lipshutz. "Sustainable ppm level palladium-catalyzed aminations in nanoreactors under mild, aqueous conditions." Chemical Science 10, no. 45 (2019): 10556–61. http://dx.doi.org/10.1039/c9sc03710a.

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Greening-up aminations: a well-defined palladium pre-catalyst enables ppm-level Pd-catalyzed C–N cross couplings in water under very mild conditions. Comparisons using this protocol vs. traditional amination conditions for preparing key medicinal intermediates are demonstrated.
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Rennert, A., and J. S. Knypl. "Hamowanie syntezy chlorofilu i RNA w izolowanych liścieniach ogórka przez N-hydroksymocznik [Inhibition of chlorophyll and RNA synthesis by N-hydroxyurea in detached cucumber cotyledons]." Acta Societatis Botanicorum Poloniae 40, no. 4 (2015): 669–79. http://dx.doi.org/10.5586/asbp.1971.050.

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N-hydroxyurea (HU) at the concentration of 5 x 10<sup>-4</sup> M decreased the content of chlorophyll in detached cucumber cotyledons; at this concentration it has no inhibitory effect on growth. Benzylaminopurine, gibberelic acid and KCl partially reversed the inhibitory effect of HU on chlorophyll synthesis. HU stimulated yellowing of barley first leaf sections. The compound had little effect on leucine-<sup>14</sup>C incorporation to protein, and markedly inhibited uracil-<sup>14</sup>C incorporation in to RNA of the greening cucumber cotyledons. It is suggested that the inhibition of RNA and chlorophyll synthesis in HU-treated cucumber cotyledons follows the HU-dependent inhibition of DNA replication.
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Goatley, J. M., V. L. Maddox, and K. L. Hensler. "Late-season Applications of Various Nitrogen Sources Affect Color and Carbohydrate Content of `Tiflawn' and Arizona Common Bermudagrass." HortScience 33, no. 4 (July 1998): 692–95. http://dx.doi.org/10.21273/hortsci.33.4.692.

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Bermudagrass turfs in the southern United States often receive late growing season applications of nitrogen (N) in order to sustain turfgrass color prior to dormancy, even though such applications might increase winterkill potential. Yearly research trials were initiated in the last week of Sept. 1989 to 1991 at Mississippi State Univ. to evaluate fall and spring color responses and rhizome levels of total nonstructural carbohydrates (TNC) of `Tiflawn' and Arizona (AZ) Common bermudagrass [Cynodon dactylon L. (Pers.)] treated with various N sources delivering N at 98 kg·ha-1 in a single application. The fertilizers were ammonium nitrate (AN), sulfur-coated urea (SCU), a natural organic (`Milorganite', NO), isobutylidene diurea (IBDU), ureaformaldehyde (UF), and methylene urea (MU). Color responses from N fertilization were most prominent in the fall except when there was an early frost event in Oct. 1990. The most rapid greening response and highest color ratings were consistently observed for the water-soluble AN. Of the slow-release sources, SCU, MU, and IBDU provided color responses as long as temperatures remained warm enough to promote bermudagrass growth. The NO source provided an unexpected, significant greening response in Oct. 1989 and 1991 on `Tiflawn', but not on AZ Common. The UF consistently provided the lowest color ratings. There were virtually no differences in TNC levels between N treatments for either grass. At no time was there any indication that N fertilization increased bermudagrass winterkill potential; to the contrary, the predominant responses were better fall and spring color than the nontreated control.
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10

Du, Mengke, Zhi Gao, Xinxin Li, and Hong Liao. "Excess nitrate induces nodule greening and reduces transcript and protein expression levels of soybean leghaemoglobins." Annals of Botany 126, no. 1 (April 16, 2020): 61–72. http://dx.doi.org/10.1093/aob/mcaa002.

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Abstract Background and Aims Efficient biological nitrogen fixation (BNF) requires leghaemoglobin (Lb) to modulate oxygen pressure in nodules. Excess N supply severely inhibits BNF through effects on Lb during nodulation. As yet, a systematic identification and characterization of Lb-encoding genes in soybean has not been reported. Methods The effects of N on BNF were studied in soybean plants inoculated with rhizobia and exposed to excess or low N availability in hydroponic cultures. To identify soybean Lb proteins, BLAST searches were performed on the Phytozome website. Bioinformatic analysis of identified GmLbs was then carried out to investigate gene structure, protein homology and phylogenetic relationships. Finally, quantitative real-time PCR was employed to analyse the expression patterns of soybean Lb genes in various tissues and in response to high N availability. Key Results Excess N significantly accelerated nodule senescence and the production of green Lb in nodules. In total, seven haemoglobin (Hb) genes were identified from the soybean genome, with these Hb genes readily split into two distinct clades containing predominantly symbiosis-associated or non-symbiotic Hb members. Expression analysis revealed that all of the symbiosis-associated Lbs except GmLb5 were specifically expressed in nodules, while the non-symbiotic GmHbs, GmHb1 and GmHb2, were predominantly expressed in leaves and roots, respectively. Among identified GmLbs, GmLb1–4 are the major Lb genes acting in soybean nodulation, and each one is also significantly suppressed by exposure to excess N. Conclusions Taken together, the results show that excess N inhibits BNF by reducing nodule formation, Lb concentration and nitrogenase activity. The characteristics of the entire Hb family were analysed, and we found that GmLb1–4 are closely associated with nodule development and N2 fixation. This works forms the basis for further investigations of the role of Lbs in soybean nodulation.
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Dissertations / Theses on the topic "Greening N"

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Russo, Alessio <1983&gt. "Quantifying and modeling ecosystem services provided by urban greening in cities of the Southern Alps, N Italy." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2013. http://amsdottorato.unibo.it/5365/.

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Population growth in urban areas is a world-wide phenomenon. According to a recent United Nations report, over half of the world now lives in cities. Numerous health and environmental issues arise from this unprecedented urbanization. Recent studies have demonstrated the effectiveness of urban green spaces and the role they play in improving both the aesthetics and the quality of life of its residents. In particular, urban green spaces provide ecosystem services such as: urban air quality improvement by removing pollutants that can cause serious health problems, carbon storage, carbon sequestration and climate regulation through shading and evapotranspiration. Furthermore, epidemiological studies with controlled age, sex, marital and socio-economic status, have provided evidence of a positive relationship between green space and the life expectancy of senior citizens. However, there is little information on the role of public green spaces in mid-sized cities in northern Italy. To address this need, a study was conducted to assess the ecosystem services of urban green spaces in the city of Bolzano, South Tyrol, Italy. In particular, we quantified the cooling effect of urban trees and the hourly amount of pollution removed by the urban forest. The information was gathered using field data collected through local hourly air pollution readings, tree inventory and simulation models. During the study we quantified pollution removal for ozone, nitrogen dioxide, carbon monoxide and particulate matter (<10 microns). We estimated the above ground carbon stored and annually sequestered by the urban forest. Results have been compared to transportation CO2 emissions to determine the CO2 offset potential of urban streetscapes. Furthermore, we assessed commonly used methods for estimating carbon stored and sequestered by urban trees in the city of Bolzano. We also quantified ecosystem disservices such as hourly urban forest volatile organic compound emissions.
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Books on the topic "Greening N"

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Horrell, David G. Greening Paul: Rereading the apostle in a time of ecological crisis. Waco, Tex: Baylor University Press, 2010.

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Tom, Badgett, ed. Official Sega Genesis and Game Gear strategies, 2ND Edition. Toronto: Bantam Books, 1991.

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Sandler, Corey. Official Sega Genesis and Game Gear strategies, 3RD Edition. New York: Bantam Books, 1992.

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O'Driscoll, Herbert. Greening of Imaginations: Walking the Songlines of Holy Scripture. Church Publishing, Incorporated, 2019.

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Horrell, David G., Christopher Southgate, and Cherryl Hunt. Greening Paul: Rereading the Apostle in a Time of Ecological Crisis. Baylor University Press, 2012.

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Official Sega Genesis and Game Gear Strategies, '94 Edition. New York, NY: Random House, Electronic Publishing, 1993.

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Book chapters on the topic "Greening N"

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"greening [n] [UK]." In Encyclopedic Dictionary of Landscape and Urban Planning, 406. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-540-76435-9_5621.

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"greening [n] of built-up areas." In Encyclopedic Dictionary of Landscape and Urban Planning, 406. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-540-76435-9_5622.

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"2497 greening [n] of the city." In Encyclopedic Dictionary of Landscape and Urban Planning, 406. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-540-76435-9_5623.

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Conference papers on the topic "Greening N"

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Yu, Yifan, and Qinglai Zhang. "Using photovoice method to explore the female freshmen's place attachment to the campus." In Post-Oil City Planning for Urban Green Deals Virtual Congress. ISOCARP, 2020. http://dx.doi.org/10.47472/nrkn9532.

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University campus has a profound impact on the growth and development of college students. In this study, we use Photovoice method to explore how female freshmen perceive and build up the sentimental ties with the campus. Participants (n=54; aged 18-19 years) were asked to photograph and discuss perceived positive/negative places on Tongji University campus (Shanghai). In the process of analysis, thematic and content analysis was conducted by natural language processing software, the correlation of key words were examined by Rost Content Mining. The study shows that place attachment comes from the fulfilment of activity demand, which is not only related to the place function itself, but also caused by people’s place cognition and emotional experience. Architecture, roads(and its affiliated facilities), greening and landscape, public space, and atmosphere are particularly important for creating place cognition and emotional experience. Meanwhile, Photovoice, as an emerging participatory research method, shows great potential in the place-making, as it significantly improved the students’ participation, critical thinking and constructive suggestions in this campus study
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