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Mostrando ítems 1-12 de 12
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A novel mechanism to simulate intercropping and relay cropping using the DayCent model
Della Chiesa, Tomas; Del Grosso, Stephen; Hartman, Melannie; Parton, William; Echarte, Laura; Yahdjian, Laura; Piñeiro, Gervasio (Elsevier, 2022-01-03)Combining different crops in complex spatial and temporal arrangements can increase resource use efficiency and reduce negative environmental impacts in croplands. Simulation models are useful tools to explore new management ... -
Changes in soil characteristics after six seasons of cereal–legume intercropping in the Southern Pampa
Oelbermann, Maren; Regehr, Alison; Echarte, Laura (Elsevier, 2015-04)The Argentine Pampa is one of the most productive agricultural regions in the world, but sole crop management practices have led to soil degradation and losses of soil organic matter. The objective of this study was to ... -
Eco-physiological processes underlying maize water use efficiency response to plant density under contrasting water regimes
Hernandez, Mariano Daniel; Alfonso, Carla Susana; Cerrudo, Aníbal Alejandro; Cambareri, Matias; Della Maggiora, Aida; Barbieri, Pablo; Echarte, María Mercedes; Echarte, Laura (Elsevier, 2020-09)This study quantified maize (Zea mays L.) water use efficiency for grain yield (WUEg) in response to plant density under contrasting water regimes; and focused on relevant eco-physiologial processes underlying the responses ... -
Gross nitrogen mineralization and immobilization in temperate maize-soybean intercrops
Regehr, Alison; Oelbermann, Maren; Videla, Cecilia; Echarte, Laura (Springer, 2015-06)Background and aims: Reliance on nitrogen (N) fertilizers to maintain crop productivity requires a thorough understanding of the transformation of this nutrient within the soil-plant system. Organic matter input from a ... -
Kernel number response to plant density in tropical, temperate, and tropical × temperate maize hybrids
Cerrudo, Diego; Hernández, Mariano; Tollenaar, Matthijs; Vega, Claudia Rosa Cecilia; Echarte, Laura (Crop Science Society of America, 2020-02-07)Kernel set response to plant density was examined in terms of physiological processes underlying kernel set in temperate (Te), tropical (Tr), and temperate × tropical (TeTr) maize (Zea mays L.) hybrids. Four field experiments ... -
Maize leaf rolling and its response to drying soil and evaporative demand
Echarte, Laura; Sinclair, Thomas; Jafarikouhini, Nahid (Wiley, 2023-05-31)Leaf rolling is an adaptive mechanism associated with water deficiencies; however, the physiological processes and environmental factors contributing to leaf rolling are not fully understood. The objective of this study ... -
Maize transpiration efficiency increases with N supply or higher plant densities
Hernandez, Mariano Daniel; Alfonso, Cecilia; Echarte, María Mercedes; Cerrudo, Aníbal Alejandro; Echarte, Laura (Elsevier, 2021-03-08)Most of the studies addressing the influence of management practices on seasonal crop water use efficiency (i.e., the ratio between shoot biomass and evapotranspiration in a seasonal scale, WUE(B, ET, s)) have focused on ... -
Soil carbon dioxide and nitrous oxide emissions during the growing season from temperate maize‐soybean intercrops
Dyer, Lisa; Oelbermann, Maren; Echarte, Laura (Wiley, 2012-06)The Argentine Pampa is one of the major global regions for the production of maize (Zea mays L.) and soybean (Glycine max L. [Merr.]), but intense management practices have led to soil degradation and amplified greenhouse‐gas ... -
Sorghum biomass yield and allocation as affected by the combination of photoperiod sensitivity, sweet-stalk and brown midrib traits
Erbetta, Elisa; Echarte, Laura; Sanz Smachetti, María Eugenia; Gabbanelli, Nadia; Echarte, María Mercedes (Elsevier, 2024-01)Context or problem: Traits like photoperiod sensitivity, sweet-stalk and brown midrib (bmr) have been introgressed to increase the biomass yield and quality of sorghum (Sorghum bicolor (L.) Moench) towards bioenergy yield ... -
Stover biogas potential of corn crops grown under contrasting water availability and nitrogen supply
Erbetta, Elisa; Echarte, Laura; Rodríguez Elizagaray, Consuelo; Depetris, Gustavo; Gabbanelli, Nadia; Echarte, María Mercedes (Elsevier, 2020-12-31)Corn stover is a biogas feedstock capable of enhancing agriculture bioenergy potential. Although the influence of growing conditions on biogas yield of corn stover has been reported, the joint effects of water and nitrogen ... -
Water productivity in soybean following a cover crop in a humid environment
Alfonso, Carla Susana; Barbieri, Pablo; Hernandez, Mariano Daniel; Lewczuk, Nuria; Martinez, Juan Pablo; Echarte, María Mercedes; Echarte, Laura (Elsevier, 2020-02-05)We evaluated the influence of the termination dates of a winter cover crop on (i) soil water availability during soybean (Glycine max L. (Merr)) growing season, (ii) soybean evapotranspiration (ET) and iii) water productivity ... -
Yield potential and yield stability of Argentine maize hybrids over 45 years of breeding
Di Matteo, Javier. A; Ferreyra, J.M.; Cerrudo, Aníbal Alejandro; Echarte, Laura; Andrade, Fernando Hector (Elsevier, 2016-10)Maize (Zea Mays L.) grain yield have increased during the last decades and there is an ample range of rates of grain yield increments reported in the literature. Maize hybrids comparison at their optimum plant density might ...