Zobrazeno 1 - 10
of 90
pro vyhledávání: '"curva de retenção de água"'
Autor:
Mariana Cecilia Melo, Lucas Martins Guimarães, Edu Leandro Melo, Paola Caroline Silva, Luis César Dias Drumond
Publikováno v:
The Journal of Engineering and Exact Sciences, Vol 4, Iss 3, Pp 0327-0333 (2018)
O estudo dos solos não saturados tem aplicação direta no uso racional da água, sendo essenciais em projetos e manejo da irrigação. Objetivou-se neste trabalho, determinar a função de condutividade hidráulica dos solos (FCH) pelo método indi
Externí odkaz:
https://doaj.org/article/e19229261a494126b564dbff33a47c18
Publikováno v:
Revista Brasileira de Ciência do Solo, Vol 39, Iss 5, Pp 1311-1321 (2015)
ABSTRACT Quantitative assessment of soil physical quality is of great importance for eco-environmental pollution and soil quality studies. In this paper, based on the S-theory, data from 16 collection sites in the Haihe River Basin in northern China
Externí odkaz:
https://doaj.org/article/f0348403372645a196565c2de20d5b76
Publikováno v:
Revista Brasileira de Ciência do Solo, Vol 38, Iss 2, Pp 444-453 (2014)
The concept of soil quality is currently the subject of great discussion due to the interaction of soil with the environment (soil-plant-atmosphere) and practices of human intervention. However, concepts of soil quality relate quality to agricultural
Externí odkaz:
https://doaj.org/article/245da47529ef4c75baaa0bf08604799b
Autor:
Bruno Montoani Silva, Érika Andressa da Silva, Geraldo César de Oliveira, Mozart Martins Ferreira, Milson Evaldo Serafim
Publikováno v:
Revista Brasileira de Ciência do Solo, Vol 38, Iss 2, Pp 464-475 (2014)
The plant-available water capacity of the soil is defined as the water content between field capacity and wilting point, and has wide practical application in planning the land use. In a representative profile of the Cerrado Oxisol, methods for estim
Externí odkaz:
https://doaj.org/article/02094476dd0b47969e5da1ddcdae465b
Autor:
Quirijn de Jong van Lier
Publikováno v:
Revista Brasileira de Ciência do Solo, Vol 38, Iss 1, Pp 1-10 (2014)
The S-index was introduced in 2004 in a publication by A.R. Dexter. S was proposed as an indicator of soil physical quality. A critical value delimiting soils with rich and poor physical quality was proposed. At present, Brazil is world leader in cit
Externí odkaz:
https://doaj.org/article/7c49d701bbff4be6af5f93abfadee3db
Publikováno v:
Revista Brasileira de Ciência do Solo, Vol 37, Iss 3, Pp 613-621 (2013)
Tem sido verificado que a adoção das técnicas de uso e manejo para solos derivados do arenito Caiuá no noroeste do Paraná nem sempre corresponde às expectativas de produção das culturas. Nessa região ocorrem duas Formações desse arenito: a
Externí odkaz:
https://doaj.org/article/18d7ac2aa6754566b2e26b11986eea96
Publikováno v:
Revista Brasileira de Ciência do Solo, Vol 37, Iss 3, Pp 775-783 (2013)
O intervalo hídrico ótimo (IHO) destaca-se como um dos melhores indicadores da qualidade física do solo, sob sistemas intensivos de produção. O objetivo deste trabalho foi avaliar a qualidade física de um Latossolo Vermelho distrófico típico
Externí odkaz:
https://doaj.org/article/01b4c72618f743f3bc7edcd3a48d92cc
Autor:
Alexandre Hugo Cezar Barros, Quirijn de Jong van Lier, Aline de Holanda Nunes Maia, Fábio Vale Scarpare
Publikováno v:
Revista Brasileira de Ciência do Solo, Vol 37, Iss 2, Pp 379-391 (2013)
Pedotransfer functions (PTF) were developed to estimate the parameters (α, n, θr and θs) of the van Genuchten model (1980) to describe soil water retention curves. The data came from various sources, mainly from studies conducted by universities i
Externí odkaz:
https://doaj.org/article/dcb2ca01451b4d2dab24b09028130242
Autor:
Miguel Cooper, João Carlos Medeiros, Jaqueline Dalla Rosa, José Eduardo Soria, Raul Shiso Toma
Publikováno v:
Revista Brasileira de Ciência do Solo, Vol 37, Iss 2, Pp 392-399 (2013)
Studies of soil-water dynamics using toposequences are essential to improve the understanding of soil-water-vegetation relationships. This study assessed the hydro-physical and morphological characteristics of soils of Atlantic Rainforest in the Parq
Externí odkaz:
https://doaj.org/article/fab8153ba8ee48959c1dc0d617656c45
Autor:
Walbert Júnior Reis dos Santos, Nilton Curi, Sérgio Henrique Godinho Silva, Elias Frank de Araújo, João José Marques
Publikováno v:
Ciência e Agrotecnologia, Vol 37, Iss 1, Pp 49-60 (2013)
Water retention in soil is used in many agronomic and environmental applications, but its direct measurement is time-consuming and expensive. Therefore, pedotransfer functions (PTFs) are alternatives to obtain this information faster and more economi
Externí odkaz:
https://doaj.org/article/99a62f5b0ea540d785d63847f4d74adf