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Agricultural Tractor TestEnsaios de Tratores Agrícolas
(2020-01-01)
Machine tests are standardized procedures that aim to present reliable and impartial information of the evaluated machines. The agricultural tractor is the main source of power in the agricultural setting. Therefore, to ...
Urban and periurban agriculture in the cuban cities of Camaguey and Cienfuegos
(Revues Org, 2020-01-01)
The main objective of this text was to perform a descriptive analysis of urban and periurban agriculture in two cuban medium cities - Camaguey and Cienfuegos, aiming to understand the importance of this economic activity ...
Comparative procedures for the sample decomposition of rocks used in organic agriculture and the determination of Cu, Fe, Mn, and Zn by FAAS
(Perkin-elmer Corp, 2004-11-01)
The aim of this work was to develop an appropriate sample preparation procedure for the flame atomic absorption spectrometry determination of Cu, Fe, Mn, and, Zn in rocks used in organic agriculture as a source of macro- ...
Comparative procedures for the sample decomposition of rocks used in organic agriculture and the determination of Cu, Fe, Mn, and Zn by FAAS
(2004-11-01)
The aim of this work was to develop an appropriate sample preparation procedure for the flame atomic absorption spectrometry determination of Cu, Fe, Mn, and Zn in rocks used in organic agriculture as a source of macro- ...
Test procedure for variable rate fertilizer on coffee
(UNIV ESTADUAL MARINGA, PRO-REITORIA PESQUISA POS-GRADUACAO, 2010)
The objective was to develop and test a procedure for applying variable rates of fertilizers and evaluate yield response in coffee (Coffea arabica L.) with regard to the application of phosphorus and potassium. The work ...
Evaluation of the nitrate content in leaf vegetables produced through different agricultural systems
(Taylor & Francis LtdAbingdonInglaterra, 2005)
Extraction of cellulose nanowhiskers from natural fibers and agricultural byproducts
(Springer, 2013-07-31)
In this work the feasibility of extracting cellulose from cotton, sisal and flax fibers, corn stover and rice husk by means of usual chemical procedures such as acid hydrolysis, chlorination, alkaline extraction, and ...
PRACTICAL LAND GRADING BASED ON LEAST SQUARES.
(1986-05-01)
Practical methods for land grading design of a plane surface for rectangular and irregularly shaped fields based on a least squares analysis are presented. The least squares procedure leads to a system of three linear ...
TOTAL AND ORGANIC PHOSPHORUS IN CHILEAN VOLCANIC SOILS
(Facultad de Ciencias Naturales y Oceanográficas, Universidad de Concepción, 2003)
Entomopathogenic nematodes in agricultural areas in Brazil
(2017-04-06)
Entomopathogenic nematodes (EPNs) (Steinernematidae and Heterorhabditidae) can control pests due to the mutualistic association with bacteria that kill the host by septicemia and make the environment favorable for EPNs ...