2012
DOI: 10.1590/s0100-204x2012000400001
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Dry matter production of Tanzania grass as a function of agrometeorological variables

Abstract: -The objective of this work was to develop and validate linear regression models to estimate the production of dry matter by Tanzania grass (Megathyrsus maximus, cultivar Tanzania) as a function of agrometeorological variables. For this purpose, data on the growth of this forage grass from 2000 to 2005, under dry-field conditions in São Carlos, SP, Brazil, were correlated to the following climatic parameters: minimum and mean temperatures, degree-days, and potential and actual evapotranspiration. Simple linear… Show more

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Cited by 18 publications
(13 citation statements)
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“…As características agrometeorológicas têm participação direta no acúmulo de matéria seca do capimTanzânia, principalmente nos parâmetros agrometeorológicos que levem em consideração o efeito térmico e hídrico conjuntamente, baseado na temperatura média, radiação solar e na disponibilidade hídrica (19) . Não houve diferença significativa (P>0,05) quanto à taxa de acúmulo de forragem entre os tratamentos, tendo média de 72,6 kg de massa seca (MS) ha -1 .dia -1 .…”
Section: Resultsunclassified
“…As características agrometeorológicas têm participação direta no acúmulo de matéria seca do capimTanzânia, principalmente nos parâmetros agrometeorológicos que levem em consideração o efeito térmico e hídrico conjuntamente, baseado na temperatura média, radiação solar e na disponibilidade hídrica (19) . Não houve diferença significativa (P>0,05) quanto à taxa de acúmulo de forragem entre os tratamentos, tendo média de 72,6 kg de massa seca (MS) ha -1 .dia -1 .…”
Section: Resultsunclassified
“…Pasture growth is influenced by seasonal weather patterns, mainly solar radiation and temperature (Vogeler et al, 2016). In tropical countries such as Brazil, the high temperatures favor forage growth and, when properly managed, high yields have been achieved (Pezzopane et al, 2012;Gomes et al, 2015b;Andrade et al, 2016;Antoniel et al, 2016;Martuscello et al, 2016;Sanches et al, 2016).…”
Section: Introductionmentioning
confidence: 99%
“…Other tropical forage modelling groups have used biophysical models, such as APSIM (Araujo et al., ), ALMANAC (Kiniry et al., ), global‐scale process‐based models such as Orchidee Grassland Management Model (Chang et al., ; Parton, Schimel, Cole, & Ojima, ; Parton et al., ; ), Century Agroecosystem Model (Metherell, Harding, Cole, & Parton, ; Parton et al., ) and empirical models based on climatic variables (Cruz, Santos, Pezzopane, Oliveira, & de Araujo, ; Pezzopane, Santos, Mendonça, de Araujo, & da Cruz, ; Tonato, Barioni, Pedreira, Dantas, & Malaquias, ). However, there is a lack of understanding of many complex interactions among genotypic traits, environment and management that could be explored by using detailed mechanistic simulation modelling (Andrade et al., ; Jones et al., ).…”
Section: Introductionmentioning
confidence: 99%