Results 41 to 50 of about 117,025 (153)

Knowledge, conservation and sustainable use of soil: agricultural chemistry aspects

Italian Journal of Agronomy, 2009
Soil is an environmental resource and plays ecological, social and economic functions which are fundamental for the life. To guarantee its availability to future generations, soil resource needs sustainable management.
Paola Adamo, Luisella Celi
doaj   +1 more source

Study on the Significance of Temporal Ion Chemistry in Groundwater of Dindigul District, Tamilnadu, India

E-Journal of Chemistry, 2011
The demand of water supply is increasing day by day to meet the pace of developments in domestic, agricultural and industrial sectors especially in developing countries like India. Groundwater being a scarce commodity in a hard rock terrain like Dindigul
R. Manivannan, S. Chidambaram, P. Anandhan, U. Karmegam, C. Sinagaraja, G. Johnsonbabu, M. V. Prasanna   +6 more
doaj   +1 more source

COLLOID RELEASE AND TRANSPORT IN AGRICULTURAL SOIL AS IMPACTED BY SOLUTION CHEMISTRY

Journal of Urban and Environmental Engineering, 2011
Colloid release from the agricultural soil under unsaturated conditions was controlled by the hydrodynamic force, capillary force and electrostatic force that were determined by the solution chemistry in terms of solution ionic strength and pH.
Sandip Patil, Kamal Tawfiq, Gang Chen
doaj   +2 more sources

THE CHEMICAL TEACHING MATTER AND THEIR CONTRIBUTION TO THE WAYS OF PERFORMANCE OF THE AGRICULTURAL ENGINEER / LA DÍSCIPLINA QUÍMICA Y SU CONTRIBUCIÓN A LOS MODOS DE ACTUACIÓN DEL INGENIERO AGRÓNOMO

Didasc@lia: didáctica y educación, 2013
This paper shows an activity system from Chemistry for the development of the research and field experience for first year students of the agronomy career.
Yamilé Batista Yero, Belisario Tomás Cedeño García, Juana López Toranzo, Luritza Peña Molina   +3 more
doaj  

A Química na agricultura: perspectivas para o desenvolvimento de tecnologias sustentáveis

Química Nova, 2013
Food production and preservation of the environment are among the challenges faced by contemporary society. In Brazil, as in most parts of the world, the possibility of increasing the agricultural area is limited by several factors.
Delia M. Pinto-Zevallos, Paulo H. G. Zarbin   +1 more
doaj   +1 more source

The Teaching-Learning Process of Organic Chemistry in Agronomy Studies from an Interdisciplinary Perspective

Agrisost, 2019
Context: The education of an agronomy engineer largely depends on Organic Chemistry, since it offers essential knowledge to develop modern and sustainable agriculture. Therefore, this subject should be linked to the professional training and practice of
Mercedes Caridad García González, Humberto Silvio Varela de Moya, Manuel Rodríguez Saldaña, Ernesto Juniors Pérez Torres   +3 more
doaj   +3 more sources

Síntese de biodiesel: uma proposta contextualizada de experimento para laboratório de química geral Synthesis of biodiesel: a contextualized experiment proposal for the general chemistry laboratory

Química Nova, 2007
The contextualized understanding of concepts in Chemistry by students from other areas is a challenging task. In this experiment, the synthesis of biodiesel is done by base catalyzed transesterification of refined soy oil with methanol at room ...
Roberto Rinaldi, Camila Garcia, Letícia Ledo Marciniuk, Adriana Vitorino Rossi, Ulf Schuchardt   +4 more
doaj   +1 more source

HOW AGRICULTURAL CHEMISTRY CAN CONTRIBUTE TO DEALING WITH PROBLEMS OF ENVIRONMENTAL POLLUTION

EQA, 2010
Soil is a complex heterogeneous system whose physical, chemical and biological properties regulate interactions with the chemical species which reach its surface.
Carlo Emanuele Gessa, Sonia Blasioli, Ilaria Braschi   +2 more
doaj   +1 more source

Hydrogeochemical evolution of inland lakes’ water: A study of major element geochemistry in the Wadi El Raiyan depression, Egypt

Journal of Advanced Research, 2015
Wadi El Raiyan is a great depression located southwest of Cairo in the Western Desert of Egypt. Lake Qarun, located north of the study area, is a closed basin with a high evaporation rate.
Essam A. Mohamed, Ahmed M. El-Kammar, Mohamed M. Yehia, Hend S. Abu Salem   +3 more
doaj   +1 more source

RECENT WORK IN AGRICULTURAL CHEMISTRY. [PDF]

Journal of the American Chemical Society, 1906
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openaire   +1 more source