Results 11 to 20 of about 209,650 (263)

Efeito da compactação na produtividade de cultivares de soja em latossolo vermelho Effect of compaction on soybean cultivar yield in haplustox

open access: yesRevista Brasileira de Ciência do Solo, 2006
Na agricultura moderna, o tráfego de máquinas sobre o solo é a principal causa da compactação, que, muitas vezes, causa decréscimos da produtividade de soja.
Amauri Nelson Beutler   +3 more
doaj   +1 more source

Anatomia radicular de milho em solo compactado Anatomy of maize roots in compacted soil

open access: yesPesquisa Agropecuária Brasileira, 2010
O objetivo deste trabalho foi avaliar a relação entre a estrutura anatômica das raízes de milho e os atributos físicos de solo submetido a diferentes graus de compactação.
Anderson Cristian Bergamin   +4 more
doaj   +1 more source

Penetration resistance and density of a yellow oxissol under conventional management at different ages

open access: yesBioscience Journal, 2016
Brazilian agriculture has been highlighted in Savanna areas due to significant gains in production and productivity in this biome. However, the production model with intensive use of machines for several years causes drastic changes in soil physical ...
Leovânio Rodrigues Barbosa   +4 more
doaj   +3 more sources

Variabilidade espacial dos atributos físicos do solo e da produtividade em um Latossolo Bruno distrófico da região de Cascavel, PR Spatial variability of the physical attributes and the productivity in a distrophic Latosolo of Cascavel - PR, region

open access: yesRevista Brasileira de Engenharia Agrícola e Ambiental, 2004
Através de técnicas de geoestatística foram confeccionados mapas de contorno, produzidos por interpolação através da krigagem ordinária representando, desta forma, a variabilidade espacial dos atributos físicos densidade do solo [kg dm-3], teor de água ...
Jerry A. Johann   +3 more
doaj   +1 more source

Development and quality evaluation of banana‐rice‐bean porridge as weaning food for older infants and young children

open access: yesLegume Science, 2020
Among low‐income families in developing countries, foods fed to infants and young children are rich in carbohydrates but limiting in protein and important micronutrients.
Makafui A. Borbi   +4 more
doaj   +1 more source

Physics Studies and Generic Attributes

open access: yesProcedia - Social and Behavioral Sciences, 2012
AbstractThe purpose of this study is to investigate and understand the perception of physics undergraduates, lecturers and employers on the learning of UniversitiTeknologi Malaysia (UTM) graduate's generic attributes through physics studies. A total of 104 physics undergraduates and 27 physics lecturers participated in the questionnaire survey while ...
Shin, Lee Ween, Phang, Fatin Aliah
openaire   +1 more source

The Role of Consumers’ Knowledge of Native and Pollinator-friendly Plants and Their Prioritization of Plant Characteristics in Purchase Decisions

open access: yesHortScience
There is a growing trend toward planting native and pollinator-friendly plants in residential gardens and landscapes due to concerns about invasive plant species, water conservation, and urban land management.
Xuan Wei   +2 more
doaj   +1 more source

The stability of aggregates and organic carbon content after the application of gypsum, soil scarification and a succession of agricultural crops

open access: yesBioscience Journal, 2020
Studies related to the monitoring of soil quality by physical attributes are important for the evaluation and maintenance of the sustainability of agricultural systems, besides indicating the appropriate management of the environment, aiming at its ...
Milton César Costa Campos   +7 more
doaj   +1 more source

Donors in Ge as qubits —Establishing physical attributes [PDF]

open access: yesEPL (Europhysics Letters), 2016
Quantum electronic devices at the single impurity level demand an understanding of the physical attributes of dopants at an unprecedented accuracy. Germanium-based technologies have been developed recently, creating a necessity to adapt the latest theoretical tools to the unique electronic structure of this material.
Baena, A.   +3 more
openaire   +2 more sources

Physical Attributes of Bardeen Stellar Structures in f R Gravity

open access: yesAdvances in High Energy Physics, 2021
El objetivo principal de nuestro estudio es explorar algunas configuraciones relativistas de la solución de objetos compactos en el fondo de la gravedad f R , adoptando el espacio-tiempo de Krori-Barua. En este sentido, establecemos las ecuaciones de campo para el espacio-tiempo esféricamente simétrico junto con la fuente de materia anisotrópica ...
M. Farasat Shamir   +2 more
openaire   +2 more sources

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