by the crop coefficient (Kc) that is dependent upon the crop Of 0.12 m, albedo of 0.23, and a fixed surface resistance of 70 m (E)-evapotranspiration from a hypothetical grass with a height Multiplying the reference evapotranspiration Generally, ETc is estimated by theĬrop coefficient proposed by ALLEN et al. Shuttleworth-Wallace's (SHUTTLEWORTH & WALLACE, 1985), orĮmpirical/semi-empirical (ALLEN et al., 1998 POULOVASSILIS et al.,Ģ001).In the latter, ETa values are derived from the concept of cropĮvapotranspiration (ETc)-evapotranspiration that occurs in cultivationĪreas, under optimal management conditions, without soil moisture Such as Penman-Monteith's (MONTEITH, 1981) and Eta estimation models can be either physical, ComplexityĪnd operational costs of the direct or indirect measurement methods forĮta favor a more common usage of estimation models (BRUTSAERT, 1982 Variables assisting rational water management in agriculture. Surface, regardless of the development stage or soil moistureĬonditions, and without any boundary conditions is one of the main Occurring during part of the year, which renders crop irrigationĪctual crop evapotranspiration (ETa), which occurs on a vegetated Rainfall distribution in this region is seasonal, with a dry season (REUTHER, 1973 BEN MECHLIA & CARROLL, 1989), the region provides anĪdequate thermal availability (annual temperatures between 19 andģ1C) and an average annual rainfall of 1818 mm. Considering crop's climatic requirements (temperaturesīetween 13 and 35C, annual rainfall between 600-1200 mm) (which is unlike the other Northeastern micro-regions) favor orangeĬultivation. The climatic conditions of the coastal table land region of Alagoas Is the eighth largest producer (156 thousand tons), with a yield of Sao Paulo is the largest producer (13.35 million tons), whereas Alagoas The global production and a yield of 27.6 t. (2018), Brazil was the world's largest orange producing country inĢ017, with a harvest of 17.5 million tons that corresponded to 23.8% of Oranges are one of the most widely consumed fruits worldwide,Įither "in natura" or through derivatives, generatingĮmployment and income in the producing regions. APA style: Actual evapotranspiration and crop coefficient of sweet orange during the initial development phase in the Rio Largo region, Alagoas/Evapotranspiracao real e coeficiente da cultura da laranja lima durante a fase inicial de desenvolvimento na regiao de Rio Largo, Halagaos.Actual evapotranspiration and crop coefficient of sweet orange during the initial development phase in the Rio Largo region, Alagoas/Evapotranspiracao real e coeficiente da cultura da laranja lima durante a fase inicial de desenvolvimento na regiao de Rio Largo, Halagaos." Retrieved from 2019 Universidade Federal de Santa Maria 27 Oct. MLA style: "Actual evapotranspiration and crop coefficient of sweet orange during the initial development phase in the Rio Largo region, Alagoas/Evapotranspiracao real e coeficiente da cultura da laranja lima durante a fase inicial de desenvolvimento na regiao de Rio Largo, Halagaos." The Free Library.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |