Zobrazeno 1 - 10
of 15
pro vyhledávání: '"L. F. Pires"'
Publikováno v:
The Scientific World Journal, Vol 2014 (2014)
With increasing demand for better yield in agricultural areas, soil physical property representative measurements are more and more essential. Nuclear techniques such as computerized tomography (CT) and gamma-ray attenuation (GAT) have been widely em
Externí odkaz:
https://doaj.org/article/d256e8643abd4107911e82012e9604c5
Autor:
André L. Vian, Christian Bredemeier, João L. F. Pires, Carolina Trentin, Maicon A. Drum, Alexandre A. Cassinelli, Manuele Zeni, Marcos Caraffa, Franciane L. dos Santos
Publikováno v:
Engenharia Agrícola, Vol 43, Iss 6 (2023)
ABSTRACT Adjustments in the nitrogen fertilization recommendation in wheat fields are essential to promote an increase in nitrogen (N) use efficiency by the crop. The real-time estimation of the nutritional demand of plants considering the spatial va
Externí odkaz:
https://doaj.org/article/cc809bf677b54f41bee141810b88f95b
Autor:
SA Lima, Acb Freire, J. L. F. Pires, Fjl Silva, Fln Attademo, JS Galvincio, SA Gavilan, Marcelo Firmino de Oliveira, Lrp Lima, Jmf Aguiar, Marine Lima, AB Moreira, Lis Melo, Ariosvaldo J.S. Silva, R. A. P. Oliveira
Publikováno v:
Veterinární medicína. 66:313-319
Autor:
J. L. F. Pires, J. S. Batista, Fjl Silva, SA Gavilan, Dsd Farias, Fln Attademo, Lrp Lima, R. A. P. Oliveira, AC Bomfim, Marcelo Firmino de Oliveira, Roberta Meneses Oliveira, Acb Freire
Publikováno v:
Veterinární medicína. 65:415-420
Publikováno v:
Environmental Earth Sciences. 81
Autor:
Cláudia Fernandes, Maria João Gaspar, José Lousada, Ana P. Carvalho, J. L. Brito, Maria Emília Silva, J. L. F. Pires
Publikováno v:
European Journal of Wood and Wood Products. 75:511-526
Pinus sylvestris is widely distributed in Europe and Asia, and Portugal constitutes its westernmost limit. The reduction of the Portuguese forest area of resinous species has provoked strong constraints on wood industries supply. Therefore, an increa
Publikováno v:
Geoderma
Zero-tillage (ZT) is being increasingly adopted globally as a conservationist management system due to the environmental and agronomic benefits it provides. However, there remains little information on the tillage effect on soil pore characteristics
Importance of photo atomic cross section for studying physical properties of different types of soil
Autor:
L. F. Pires, M. E. Medhat
Publikováno v:
X-Ray Spectrometry. 45:202-206
The objective of this work is focused on development of a classification tool for identifying soil texture based on photon attenuation interaction atomic cross-section data. The total mass attenuation coefficients (μ/ρ) and the atomic cross section
Autor:
José Lima-Brito, J. L. F. Pires, José Luís Louzada, Maria Emília Silva, Ana Carvalho, Maria João Gaspar, Alexandra Dias
Publikováno v:
Annals of Forest Science
Annals of Forest Science, Springer Nature (since 2011)/EDP Science (until 2010), 2018, 75 (2), pp.58. ⟨10.1007/s13595-018-0734-6⟩
Annals of Forest Science, Springer Nature (since 2011)/EDP Science (until 2010), 2018, 75 (2), pp.58. ⟨10.1007/s13595-018-0734-6⟩
International audience; AbstractKey messageIn Europe, P. nigrawood presents a density pattern of longitudinal variation with an increase from east to west. However, no latitudinal tendencies were detected. Compared to other Portuguese resinous specie
Publikováno v:
Anais da XX Semana da Física.