Results 81 to 90 of about 5,891 (262)

Quantification of the least limiting water range in an oxisol using two methodological strategies [PDF]

Revista Brasileira de Ciência do Solo, 2014
The least limiting water range (LLWR) has been used as an indicator of soil physical quality as it represents, in a single parameter, the soil physical properties directly linked to plant growth, with the exception of temperature. The usual procedure for
Wagner Henrique Moreira, Cássio Antônio Tormena, Edner Betioli Junior, Getulio Coutinho Figueiredo, Álvaro Pires da Silva, Neyde Fabíola Balarezo Giarola   +5 more
doaj   +1 more source

Estimation of water retention in Oxisols cultivated with cotton plant in the cerrado of Mato Grosso = Estimativa da retenção de água em Latossolos do Cerrado mato-grossense cultivados com algodão

Agro@mbiente On-line, 2014
In the state of Mato Grosso, the area planted with cotton is mainly concentrated in the plains, where the climate Aw determines an alternation between a rainy and a dry season, and where the soil is predominant Red-Yellow Latosol and Red Latosol (Oxisol).
José Holanda Campelo Junior, Emilio Carlos de Azevedo, Marcelo de Carvalho Alves, Dimas de Mello, Francisco de Almeida Lobo, Ricardo Santos Silva Amorim   +5 more
doaj   +1 more source

Potentially nilpotent sign pattern matrices

Linear Algebra and its Applications, 1999
The authors investigate the property \(N\) of being nilpotent. They establish several qualitative necessary conditions for patterns to allow \(N\) in Section 2 ``Qualitative conditions for nilpotence''. In Section 3 ``Patterns that allow nilpotence of index 2'', they investigate the sign patterns that allow nilpotence of index 2.
Eschenbach, Carolyn A., Li, Zhongshan
openaire   +1 more source

Perceived Social Status and Psychological Well‐Being Among Dental Students

Journal of Dental Education, EarlyView.
ABSTRACT Objective Perceived social status (PSS), a subjective measure of social position, has been associated with multiple health outcomes. Elevated levels of stress, depression, and anxiety are all prevalent among dental students, but the role of PSS among this population remains unknown.
James R. Beyer, Jennifer M. Sukalski
wiley   +1 more source

The Impact of Race‐Blind Admission Policies on Pathway Program Admissions: Saturday Academy at NYU Dentistry

Journal of Dental Education, EarlyView.
ABSTRACT Purpose/ Objectives The aim of this study was to evaluate the impact of race‐blind admissions policies on the recruitment and enrollment of a single, university‐based, pathway program. Methods Programmatic data were used to conduct a retrospective cohort study of applicants to the pathway program, Saturday Academy at New York University ...
Cheryline Pezzullo, Lucia Wang, Maria Cordero, Roberto Guerrero, Eugenia E. Mejia, Lorel E. Burns   +5 more
wiley   +1 more source

Field Studies on the Influence of High‐Voltage Direct Transmission Underground Cables on Soils Along the SuedLink Route in Southwest Germany

Journal of Plant Nutrition and Soil Science, EarlyView.
During regular operation of the SuedLink at a load ≤75 %, the average increase in temperature in the plowing horizon is expected to be less than 1.6°C in the soils along the route in Southwest Germany. ABSTRACT Background The SuedLink was planned as a high‐voltage direct‐current underground cable route. The construction itself is a massive intervention
Joachim Ingwersen, Alexander Schade, Andreas Lehmann, Jonas Trenz, Maja Schreiber, Christoph Drefke, Harald Schramm, Christian Bidlingmaier, Simone Graeff‐Hönninger, Thilo Streck, Karl Wieland   +10 more
wiley   +1 more source

Principles and Applications of a New Class of Soil Water Matric Potential Sensors: The Dihedral Tensiometer

, 2013
Soil tensiometers are instruments to measure directly, without calibration, the soil matric potential between zero and the barometric pressure, but in practice it is functional up to about 85kPa, allowing monitoring continuously the soil water status for
Vaz, Carlos Manoel Pedro, Porto, Luiz Henrique, Calbo, Adonai Gimenez, Porto, Luiz Fernando   +3 more
core   +1 more source

EC06-783 Watermark Granular Matrix Sensor to Measure Soil Matric Potential for Irrigation Management

, 2006
This 2006 Extension Circular defines soil matric potential and describes principles and operational characteristics of one of the electrical resistance type soil moisture sensors for irrigation management.
Zoubek, Gary L., Eisenhauer, Dean E., Christiansen, Andrew P., Rees, Jennifer M., Leininger, Dan, Irmak, Suat, Kranz, William L., Payero, Jose O, Martin, Derrel, VanDeWalle, Brandy   +9 more
core   +3 more sources

Effects of soil tillage systems in the matric potential on Latossolo Vermelho (Oxisol) [PDF]

, 2002
The present work aimed to investigate which was the soil tillage system that better fits for conditions of intensive agriculture, on the region of Selviria-MS.
Almeida, V. P. [UNESP], Paz Gonzalez, A. [UNESP], Alves, M. C. [UNESP], Oliveira, S. A. [UNESP]   +3 more
core   +2 more sources

Sewage Sludge and Cashew Bagasse Biochars Promote Changes in Selected Physical Attributes Related to the Structure of Degraded Dryland Soil

Journal of Plant Nutrition and Soil Science, EarlyView.
This study evaluated biochars from co‐pyrolysis of sewage sludge and cashew residues on physical quality of a degraded loamy sand soil. SPB applied at 20 Mg ha−1 reduced bulk density by 7.74%, whereas most porosity attributes were driven by soil reconsolidation rather than biochar. Aggregate stability varied with biochar type, with SPB promoting larger
João Marcos Rodrigues dos Santos, Ícaro Vasconcelos do Nascimento, Gilvanete da Silva Henrique, Tiago da Costa Dantas Moniz, Francisco Luan Almeida Barbosa, Alexandre dos Santos Queiroz, Adriana Guirado Artur, Mirian Cristina Gomes Costa, Helon Hébano de Freitas Sousa, Odair Pastor Ferreira, Laís Gomes Fregolente, Antônio Gomes de Souza Filho, Romildo Lopes de Oliveira Filho, Arthur Prudêncio de Araujo Pereira, Jaedson Cláudio Anunciato Mota   +14 more
wiley   +1 more source