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Corn Water Variables Assessments from Earth Observation Data in the Sao Paulo State, Southeast Brazil

Journal of Hydraulic Engineering 2015年第1期1卷 1-11页

作者： Antonio Heriberto de Castro Teixeira Femando Braz Tangerino Hemandez Ricardo Guimaraes Andrade janice freitas leivas Daniel de Castro Victoria Edson Luis Bolfe Department of Geosciences Embrapa Satellite Monitoring Campinas Sao Paulo 13070-115 Brazil Department of Hydrology Sao Paulo State University llha Solteira Sao Paulo 15.385-000 Sao Paulo Brazil

Landsat satellite images and agrometeorological data were used together for modelling the crop coefficient （Kc） in irrigation pivots composed by a mixture of corn hybrids from a commercial farm for grains and silage, located at the northwestern side of Sao Paulo state, Brazil. After developing relationships between Kc and the accumulated degree-days （DDac） and having yield data for 2012 available, they were applied in the whole state, to upscale the crop water variables, during the GS （growing seasons） of a second-harvest crop from March to August. Spatial thermohydrological differences among the main corn growing regions were clear. The largest CWP （crop water productivity） values and SD （standard deviations） were for Itapetininga with an average value of 1.60 ± 0.43 kg m-3, while the lowest ones were for Presidente Prudente （0.81±0.21 kg m-3）. As corn is important for these growing regions, being inside of the priorities from the Brazilian Ministry of Agriculture, these results should be considered for a rational exploration, including both, irrigation and rainfed conditions, as the actual water scarcity can bring much competition with other non-agricultural sectors.

关键词： Crop coefficient, degree-days, WI (water indicator), crop water productivity.

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Development of Standard Reagents for Avian Influenza Virus Subtypes Diagnosis

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Journal of Agricultural Science and Technology(A) 2019年第1期9卷 26-37页

作者： Maria Angela Orsi Soraya Cecilia Albieri Camillo Eluana Carolina Fortunato Christian Steffe Domingues Dilmara Reischak Margarida Maria Hoppner Zaroni Tania Rosária Pereira freitas Terra A.Jenson janice C.Pedersen Agriculture and Livestock National Laboratory-Sao Paulo LANAGRO-SPMinistry of AgricultureLivestock and SupplayMAPACampinasSao PauloBrazil Agriculture and Livestock National Laboratory-Minas Gerais LANAGRO-MGMinistry of AgricultureLivestock and SupplayMAPAPedro LeopoldoMinas GeraisBrazil U.S.Department of Agriculture Animal and Plant Health Inspection ServiceVeterinary ServicesNational Veterinary Services Laboratories(NVSL)AmesIAUSA

Avian influenza(AI)is one of the most relevant viruses in the poultry *** AI virus(AIV)transmission from birds to human causing severe cases and mortality enhanced the magnitude of AI for public ***,the AIV diagnosis laboratories should be able to detect and identify endemic,epidemic and seasonal influenza strains and other wildlife influenza subtypes that cross the country’s *** development in quality controls in according with international rules comes to improve the performance of *** this purpose,the Brazilian Reference Laboratory for Avian Influenza(LANAGRO-SP)established a cooperation with the World Organization for Animal Health(OIE)to produce AIV master seeds,inactivated antigens and antiserum to attend the necessities of Brazil and other South America countries under the high quality control for all *** of AIV master seed lots and seventeen of inactivated antigens lots produced reached hemagglutination(HA)titers of 1:512 and 1:256,*** addition,fifteen AIV antiserum lots with hemagglutination inhibition(HI)titers reaching 1:4,096 were *** AIV reference reagents produced and applied in laboratory routine successfully.

关键词： Avian influenza virus reference reagents subtypes quality control Brazil

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