Mapping soya bean and corn crops in the State of Paraná, Brazil, using EVI images from the MODIS sensor
DM Grzegozewski, JA Johann… - … Journal of Remote …, 2016 - Taylor & Francis
This study aimed to map, separate, and estimate soya bean and corn crop areas in Paraná
State, Brazil, in the harvest years 2012/13 and 2013/14, using the enhanced vegetation …
State, Brazil, in the harvest years 2012/13 and 2013/14, using the enhanced vegetation …
Nugget effect influence on spatial variability of agricultural data
LPC Guedes, RT Bach, MA Uribe-Opazo - Engenharia Agrícola, 2020 - SciELO Brasil
Spatial variability description of soil chemical properties by thematic maps depends
substantially on suitable geostatistical models. One of the parameters composing a …
substantially on suitable geostatistical models. One of the parameters composing a …
[HTML][HTML] Comparação de mapas temáticos de diferentes grades amostrais para a produtividade da soja
LPC Guedes, F Bastiani, MA Uribe-Opazo - Engenharia Agrícola, 2015 - SciELO Brasil
Este trabalho teve como objetivo comparar mapas temáticos construídos a partir de
conjuntos de dados referentes à produtividade da soja, com diferentes grades amostrais …
conjuntos de dados referentes à produtividade da soja, com diferentes grades amostrais …
[PDF][PDF] Influence of incorporating geometric anisotropy on the construction of thematic maps of simulated data and chemical attributes of soil
LPC Guedes, MA Uribe-Opazo… - Chilean Journal of …, 2013 - oes.chileanjar.cl
The study on spatial variability of soil properties performed through geostatistical techniques
allow us to identify the spatial distribution of phenomena by means of a spatial model that …
allow us to identify the spatial distribution of phenomena by means of a spatial model that …
Spatial variability of soybean yield through a reparameterized t-Student model
RC Schemmer, MA Uribe-Opazo, M Galea… - Engenharia …, 2017 - SciELO Brasil
The t-Student distribution has been used to the spatial dependence modelling of soybean
yield as an alternative to the normal distribution, being used for data with heavier tails or …
yield as an alternative to the normal distribution, being used for data with heavier tails or …
Optimization of sample design sizes and shapes for regionalized variables using simulated annealing
LPC Guedes, MAU Opazo… - Ciencia e investigación …, 2014 - dialnet.unirioja.es
La definición de la estructura de la variabilidad espacial de las variables regionalizadas por
medio de técnicas geoestadísticas, permite estimar los valores de estas variables en …
medio de técnicas geoestadísticas, permite estimar los valores de estas variables en …
[HTML][HTML] Relationship between sample design and geometric anisotropy in the preparation of thematic maps of chemical soil attributes
LPC Guedes, MA Uribe-Opazo, PJ Ribeiro Junior… - Engenharia …, 2018 - SciELO Brasil
Spatial variability depends on the sampling configuration and characteristics associated with
the georeferenced phenomenon, such as geometric anisotropy. This study aimed to …
the georeferenced phenomenon, such as geometric anisotropy. This study aimed to …
Redundant variables and the quality of management zones
Precision agriculture (PA) allows farmers to identify and address variations in an agriculture
field. Management zones (MZs) make PA more feasible and economical. The most important …
field. Management zones (MZs) make PA more feasible and economical. The most important …
Spatial variability of the water depth applied by fixed sprinkler irrigation systems
JT Tamagi, MA Uribe-Opazo, MA Vilas Boas… - Engenharia …, 2018 - SciELO Brasil
The uniformity of water application is an important factor in the evaluation of sprinkler
irrigation systems. This uniformity depends on the type of sprinkler and its operating …
irrigation systems. This uniformity depends on the type of sprinkler and its operating …
Soil resistance to penetration in cotton rows and interrows
RESUMO A qualidade física do solo é um dos fatores mais determinantes no
desenvolvimento de qualquer cultura. Este trabalho teve, como objetivo, avaliar a …
desenvolvimento de qualquer cultura. Este trabalho teve, como objetivo, avaliar a …