نتایج جستجو برای: ceres maize hbased

تعداد نتایج: 37635  

2008
Arvind Varsani Dionne N. Shepherd Adérito L. Monjane Betty E. Owor Julia B. Erdmann Edward P. Rybicki Michel Peterschmitt Rob W. Briddon Peter G. Markham Sunday Oluwafemi Oliver P. Windram Pierre Lefeuvre Jean-Michel Lett Darren P. Martin

Journal: :Sustainability 2022

Deficit irrigation or intentional under-irrigation offers the potential for sustainable water resources management. The DSSAT CERES-Maize and AquaCrop models were coupled to simulate effects of deficit on corn yield productivity. calibrated validated using observed values crop biomass under 40%, 50%, 60%, 70%, 80% depletion available soil water. Model simulation results showed that a 15% level ...

2005
D. Mískowiec

CERES is a dilepton experiment at the CERN SPS, known for its observation of enhanced production of low mass ee pairs in collisions between heavy nuclei [ 1]. The fact that the excess pairs had invariant masses above approximately twice the pion mass and that the enhancement was absent in proton induced collisions [ 2] pointed towards pion annihilation ππ → ρ → ee as the additional source of le...

2011
Simon Lehuger Benoit Gabrielle Patricia Laville Matieyendou Lamboni Benjamin Loubet Pierre Cellier

Nitrous oxide, carbon dioxide and methane are the main biogenic greenhouse gases (GHG) contributing to net greenhouse gas balance of agro-ecosystems. Evaluating the impact of agriculture on climate thus requires capacity to predict the net exchanges of these gases in a systemic approach, as related to environmental conditions and crop management. Here, we used experimental data sets from intens...

2017
Candace Batts Amy L. Kaleita

Soil water is an important variable in agricultural environments as it contributes to yield response as well as areas of environmental concern including erosion, runoff, and nitrogen leaching (through deep drainage). Crop models have been established as a method for simulating agricultural production and examining ecosystem responses. However, because all crop models are based on limited system...

2018
Maximilian Strer Nikolai Svoboda Antje Herrmann

Background Understanding the abundance of adverse environmental conditions e.g. frost, drought, and heat during critical crop growth stages, which are assumed to be altered by climate change, is crucial for an accurate risk assessment for cropping systems. While a lengthening of the vegetation period may be beneficial, higher frequencies of heat or frost events and drought spells are generally ...

2017
M. Ciarniello M. C. De Sanctis E. Ammannito A. Raponi A. Longobardo E. Palomba F. G. Carrozzo F. Tosi J.-Y. Li S. E. Schröder F. Zambon A. Frigeri S. Fonte M. Giardino C. M. Pieters C. A. Raymond C. T. Russell

Aims. We present a study of the spectrophotometric properties of dwarf planet Ceres in the visual-to-infrared (VIS-IR) spectral range by means of hyper-spectral images acquired by the VIR imaging spectrometer on board the NASA Dawn mission. Methods. Disk-resolved observations with a phase angle within the 7◦ < α < 132◦ interval were used to characterize Ceres’ phase curve in the 0.465–4.05 μm s...

2010
P. Molaro M. Centurión

Context. Astronomical research dealing with accurate radial velocity measurements need reliable astronomical standards to calibrate the spectrographs and to assess possible systematics. Stellar radial velocity standards offer a reference at the level of a few hundred m s−1 and are not adequate for most present needs. Aims. We aim to show that sunlight reflected by asteroids is a fairly accessib...

2002

During 1999 the CERES experiment upgraded by the new TPC was taking data from semi-central Pb+Au collisions at 40 AGeV. The analysis of the di-electron spectra shows an enhancement in the low mass region of at least the same magnitude as previously observed at full SPS energy. The results are compared to model calculations with and without medium modifications of the vector mesons. The addition...

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