Results 1 to 10 of about 127,539 (258)

Chemical attributes of a remineralized Oxisol [PDF]

Ciência Rural, 2017
: Remineralizers are comminuted rocks that are applied to soil, and their use as an agricultural amendment was regulated in Brazil in 2013. However, mechanisms of action of these materials must be better known to enable them to be best used in ...
Rafael Cipriano da Silva, Marina Elias Cury, João José Cardinali Ieda, Renata Alcarde Sermarini, Antonio Carlos de Azevedo   +4 more
doaj   +3 more sources

Identifying Chemical Reactions and Their Associated Attributes in Patents [PDF]

Frontiers in Research Metrics and Analytics, 2021
Chemical patents are an essential source of information about novel chemicals and chemical reactions. However, with the increasing volume of such patents, mining information about these chemicals and chemical reactions has become a time-intensive and ...
Darshini Mahendran, Gabrielle Gurdin, Nastassja Lewinski, Christina Tang, Bridget T. McInnes   +4 more
doaj   +3 more sources

Mineralogical, chemical and electrochemical attributes of soils [PDF]

Scientia Agricola, 2020
: A set of attributes endows the soils with distinctive characteristics and astute understanding is required in order to formulate suitable strategies for soil management.
Cecília Calhau Almeida, Maurício Paulo Ferreira Fontes, Adriana Cristina Dias, Thiago Torres Costa Pereira, João Carlos Ker   +4 more
doaj   +4 more sources

Tillage, fertilization systems and chemical attributes of a Paleudult [PDF]

Scientia Agricola, 2015
Tillage and fertilization methods may affect soil fertility. With the aim of assessing changes in soil chemical properties over a period of ten years, soil samples of a Paleudult were collected over nine seasons at three layer depths (0-5, 5-10, 10-20 cm)
Evelyn Penedo Dorneles, Bruno Brito Lisboa, André Dabdab Abichequer, Carlos Alberto Bissani, Egon José Meurer, Luciano Kayser Vargas   +5 more
doaj   +4 more sources

PHYSICAL AND CHEMICAL ATTRIBUTES IN SOILS WITH CROPS INTERCROPPED WITH COFFEE

Tropical and Subtropical Agroecosystems, 2023
Background: Studies that help to evaluate agroecosystems are of great importance for world agricultural production in order to achieve a more sustainable agriculture.
Dionicio Belisario Luis Olivas, Marcelo Antonio Tomaz, José Francisco Teixeira do Amaral, Fábio Luiz de Oliveira, Wagner Nunes Rodrigues, Bruno Fardim Christo, Eroncio Mendoza Nieto, Tabita Abigail Gambini de la Cruz, Amanda Dutra de Vargas   +8 more
doaj   +2 more sources

Oxisol subsurface chemical attributes related to sugarcane productivity [PDF]

Scientia Agricola, 2003
In spite of the great homogeneity found in the morphological characteristics of Oxisols, there is great chemical diversity in subsurface layers of these soils. Studies indicate that crop yield presents significant correlation with the chemical attributes
Marcos Guimarães de Andrade Landell, Hélio do Prado, Antônio Carlos Machado de Vasconcelos, Dilermando Perecin, Raffaella Rossetto, Márcio Aurélio Pitta Bidoia, Marcelo de Almeida Silva, Mauro Alexandre Xavier   +7 more
doaj   +5 more sources

Preliminary characterization of chemical and sensory attributes for grapes and wines of different cultivars from the Weibei Plateau region in China

Food Chemistry: X
Chemical and sensory attributes play a vital role in evaluating the quality of grapes and wines. This study compared basic physicochemical parameters, organic acids, phenolic compounds, and aroma profiles of grapes and wines of six cultivars using ...
Feifei Gao, Lingxiao Guan, Guihua Zeng, Xiaoyun Hao, Hua Li, Hua Wang   +5 more
doaj   +3 more sources

Chemical attribution of fentanyl: The effect of human metabolism

Forensic Chemistry, 2021
Chemical attribution typically aims to establish a link between material found at a crime scene and a person, location or other evidence. In the field of illicit drugs, chemical attribution signatures are usually impurity profiles. Extending these to metabolized samples would create new possibilities in forensic investigations.
de Bruin-Hoegée, M., Kleiweg, D., Noort, D., van Asten, A.C.   +3 more
openaire   +4 more sources

Attributes of pedoindicator soils in areas cultivated with typical crops in the Western Amazon, Brazil

Bioscience Journal, 2020
The crop systems adopted in the Amazônia region have been studied several times in terms of the variability and to indicate the soil attributes more sensitive to the different crops.
Half Weinberg Corrêa Jordão, Milton César Costa Campos, Bruno Campos Mantovanelli, José César Frozzi, José Maurício da Cunha, Leonardo Chechi, Julimar da Silva Fonseca   +6 more
doaj   +3 more sources

Modalities for soil preparation and gypsum application in ultisol: stem productivity of sugarcane [PDF]

Engenharia Agrícola, 2013
The study was conducted in an area of expansion of sugarcane at Vale do Paraná factory in Suzanápolis city - São Paulo (SP), in Brazil, in the northwestern region of the State of São Paulo.
Ronaldo C. Lima, Luiz M. M. de Mello, Élcio H. Yano, José O. R. da Silva, André L. Cesarin   +4 more
doaj   +1 more source