991 resultados para Thompson, Denman, 1833-1911
Meteorological observations during ALGIERS cruise from St. Salvador to Batavia started at 1833-09-01
Hourly sea level from coastal tide gauge station Prince_Rupert-A in 1911 (Research quality database)
Resumo:
A study was conducted to determine the relationship between midday measurements of vine water status and daily water use of grapevines measured with a weighing lysimeter. Water applications to the vines were terminated on August 24th for 9 days and again on September 14th for 22 days. Daily water use of the vines in the lysimeter (ETLYS) was approximately 40 L vine−1 (5.3 mm) prior to turning the pump off, and it decreased to 22.3 L vine−1 by September 2nd. Pre-dawn leaf water potential (ΨPD) and midday Ψl on August 24th were −0.075 and −0.76 MPa, respectively, with midday Ψl decreasing to −1.28 MPa on September 2nd. Leaf g s decreased from ~500 to ~200 mmol m−2 s−1 during the two dry-down periods. Midday measurements of g s and Ψl were significantly correlated with one another (r = 0.96) and both with ETLYS/ETo (r = ~0.9). The decreases in Ψl, g s, and ETLYS/ETo in this study were also a linear function of the decrease in volumetric soil water content. The results indicate that even modest water stress can greatly reduce grapevine water use and that short-term measures of vine water status taken at midday are a reflection of daily grapevine water use
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Digitalización Vitoria-Gasteiz Archivos y Bibliotecas Abril 1994 18-11
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Autor: Charles Frederick Henningsen; tomado de: Eusko bibliographia. v. IV, p. 221
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Matadores: Cortijano y Espana
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Contiene: 1 : Cartes de llevantins (1861-1900) -- 2 : Cartes de llevantins (1901-1911) -- 3 : Suplement a les Cartes de llevantins. Cartes de Llorente
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Ganadería: Conde de Sant Coloma, Luis Baeza
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Ganaderia: Tomás y José Pérez de la Concha
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Ganadería: Celsa Fontfrede
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Ganadería: Rodrigo Solís
