384 research outputs found
VADO A SCUOLA DA SOLO. Salvaterra e Casalgrande. Voce ai più piccoli per realizzare percorsi sicuri tra casa e scuola attraverso l'analisi della reltà vissuta dai bambini e del futuro che vorrebbero.
No full textIl contributo descrive ed analizza l'esperienza di Salvaterra e Casalgrande, due Amministrazioni Comunali che si sono attivate per riportare il tema dell'infanzia al centro dell'interesse della politica cittadina.
L'obiettivo generale del progetto si esplicita, in via prioritaria, nella conoscenza e promozione della percezione dei bambini nella rappresentazione della scuola, della scuola nel quartiere e del quartiere nella città; si tratta di un'iniziativa che ha lo scopo di valorizzare l'originalità della prospettiva "a misura" e "a piede" di bambino, ponendola al centro di un modello di didattica che parte dal luogo candidato per eccellenza -la scuola- per arrivare alla costruzione di un linguaggio in grado di interpretare l'ambiente urbano con nuove modalità di partecipazione, secondo prospettive che concorrono al compimento di una visione integrale della sostenibilità.
E' riportata (nella copertina del numero della rivista) una foto che ritrae il plastico realizzato dai bambini del Comune di Salvaterra
Outlook on disease resistant grapevine varieties
No full textBreeding programs for disease resistance were developed from the 19th century on, in both the old (Europe) and new world as a way to promote sustainable viticulture. The main results of breeding, in terms of disease resistance and grape (and wine) quality are described, ranging from the first American hybrids to the most recent varieties. The activity of some representative breeders is discussed and the current situation in Italy is reported. Productive, legislative, and commercial aspects for wine production are considered, especially for European Union where the wine sector is strongly regulated. The perspectives of breeding for disease resistance are discussed, including the new breeding techniques (Nbt) like cis-genesis and genome editing. The importance to interact with the society to make acceptable these innovations is emphasized. While less acceptance problems are expected with table grapes, raisins or rootstocks, more concerns might arise with wine grapes. The role of science is to give the legislator tools to cope with sustainability and to educate the society (from the grape grower to the wine consumer) to a correct understanding. Innovations can be a real advantage only if they are accepted by all the actors of the wine chain
For a common origin of the Greek forms (Greek text), (Greek text), and (Greek text). From Homer to the Attic theater through the Hippocratic Collection|POUR UNE ORIGINE COMMUNE DES FORMES GRECQUES BPYXAOMAI, BPYXΩ ET BPYKΩ D'HOMÈRE AU THÉÂTRE ATTIQUE À TRAVERS LA COLLECTION HIPPOCRATIQUE
No full textModern etymological dictionaries of Ancient Greek language are cautious when it comes to posit a common origin for the verb (Greek text) ('growl', 'wheeze') - a form drawn from the Homeric perfect (Greek text)- and for the verbs (Greek text) and (Greek text). (Greek text) and (Greek text) are found with the two different meanings of 'chatter one's teeth' and 'bite', 'devour', without it being possible to attribute each of them exclusively to one or the other form. This contribution shows that we may find in the Homeric perfect (Greek text) a common origin for the three forms, from both a morphological and a semantic perspective. A turning point may be found in the Hippocratic use of (Greek text) for the expression of a symptom close to the modern idea of 'chatter one's teeth'. This meaning is linked to that of (Greek text), but it is attributed to the active form, which normally expresses the meaning of 'bite', 'devour'
Comparison and ground truthing of different remote and proximal sensing platforms to characterize variability in a hedgerow-trained vineyard
No full textAppropriate characterization of intra-parcel variability is a key element for the effective application of precision farming techniques. Nowadays there are many platforms available to end users differing for pixel spatial resolution and the type of acquisition (remote or proximal). A challenging aspect pertaining to remote sensing image acquisition in the vineyard ecosystem is that, in a large majority of cases, vegetation is discontinuous and single rows alternate with strips of either bare or grassed soil. In this paper, four different satellite platforms (Sentinel-2, Spot-6, Pleiades, and WorldView-3) having different spatial resolution and MECS-VINE® proximity sensor were compared in terms of accuracy at describing spatial variability. Vineyard mapping was coupled with detailed ground truthing of growth, yield, and grape composition variables. The analysis was conducted based on vigor indices (Normalized Difference Vegetation Index or Canopy Index) and using the Moran Index (MI) to assess the degree of spatial auto-correlation for the different variables. The results obtained showed a large degree of intra-plot variability in the main agronomic parameters (pruning weight CV: 33.86%, yield: 32.09%). The univariate Moran index showed a log-linear function relating MI coefficients to the resolution levels. Comparison between vigor indices and agronomic data showed that the highest bivariate MI was reached by Pleiades followed by MECS-VINE® which also did not exhibit the negative effect of the border pixel owing to the proximal scanning acquisition. Despite WorldView-3′ s high resolution (1.24 m pixel) allowing very detailed data imaging, the comparison with ground-truth data was not encouraging, probably due to the presence of pure ground pixels, while Sentinel-2 was affected by the oversized pixel at 10 m
Effects of intra-vineyard variability and soil heterogeneity on vine performance, dry matter and nutrient partitioning
No full textThree vigor zones, identified in a Barbera vineyard by remote sensing at full canopy, were carefully ground-truthed to determine, over 2 years, the relative weight of soil factors in affecting within-field variability, and to investigate vigor zone influence on dry matter (DM) and nutrient partitioning into different vine organs. Regardless of season, high vigor (HV) achieved stronger vine capacity as total vegetative growth and yield while resulting in markedly less ripened fruits than low vigor (LV) vines. PCA analysis carried out on ten different soil and vine variables clearly separated the three vigor levels and the correlation matrix highlighted that the factors mostly contributing to HV were soil depth, soil K and P concentration, total available water, clay fraction and Nleaf concentration. Conversely, sand fraction was the main marker for LV. When annual DM retrieved in clusters, canes, leaves, and shoot clippings was calculated for each vigor level and expressed as content (i.e. kg/ha) there was a general decreasing trend moving from HV to LV. However, when DM partitioned to each organ was given on a relative basis (i.e. percentage over total) results were similar across vigor levels. Similarly, when nutrients were given as content (e.g. kg or g/ha) out of 120 within-vigor combinations (12 nutrients, 2 seasons, 5 organs), 65 showed a significant difference between HV and LV. Conversely, with data expressed on a concentration basis (i.e. % DM) the number of significant differences between the vigor level means fell to 15. The study strengthens the causal link between soil properties and intra-vineyard spatial variability and clarifies that patterns of dry matter and nutrient partitioning to different vine organs are mildly affected by vine vigor when referred on a relative basis
Student Comments
No full textComments on court cases by Stephen J. Squeri, Terry Karnaze, Genevieve M. Keating, James P. Kelley, Thomas W. Millet, Paula Jean Fulks, Gregory G. Murphy, Duane L. Tarnacki, James A. Mayotte, Arthur A, Vogel, Jr., Janet L. Miller, Frank Charles Sabatino, Kathleen M. Gallogly, David A. York, Thomas P. Fitzgerald, Gerald M. Richardson, John K. Vincent, Daniel M. Snow, Lawrence E. Carr III, Margaret M. Jackson, and Martin E. Mooney
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