Results 101 to 110 of about 9,305 (198)

Using Spatial Analysis to Study the Values of Variable Rate Technology and Information [PDF]

open access: yes
We present a review of the last few years' literature on the economic feasibility of variable rate technology in agriculture. Much of the research on this topic has involved the estimation of site-specific yield response functions.
Bullock, David S.   +1 more
core   +1 more source

Production of a Porosity Map by Kriging in Sandstone Reservoirs, Case Study from the Sava Depression

open access: yesKartografija i Geoinformacije, 2008
Variogram analyses and usages of geostatistical interpolations have been standard analytical tools in Croatian geology in the last five years. Such analyses have especially been applied in the mapping of petroleum geological data.
Tomislav Malvić
doaj  

Geostatistics applied to swine facilities equipped with evaporative cooling system

open access: yesRevista Brasileira de Engenharia Agrícola e Ambiental
The purpose of this study was to evaluate the spatial variation of temperature, relative humidity and black globe humidity temperature (BGHT) index in growing-finishing swine facilities, with and without evaporative air cooler.
Paulo G. de Abreu   +5 more
doaj   +1 more source

SPATIAL REGRESSION MODELS FOR YIELD MONITOR DATA: A CASE STUDY FROM ARGENTINA [PDF]

open access: yes
Precision agricultural technology promises to move crop production closer to a manufacturing paradigm, but analysis of yield monitor, sensor and other spatial data has proven difficult because correlation among neighboring observations often violates the
Bongiovanni, Rodolfo   +2 more
core   +1 more source

Aggregation of ecological indicators for mapping aquatic nature quality : overview of existing methods and case studies [PDF]

open access: yes
Indicators for aquatic nature quality are calculated using ecological monitoring data from individual sampling stations. For reporting purposes, these results need to be aggregated and scaled up to higher levels (catchment area, country).
Knotters, M.   +3 more
core   +1 more source

Empirical semivariograms for kriging interpolation

open access: yes, 2009
Kriging interpolation is one of the more interesting techniques introduced in the field of surrogate modeling in the last years. This technique has been motivated by the necessity of data interpolation in the geological field in the late sixties. This approach is founded on the availability of the so called "variogram", defined as "a curve representing
openaire   +1 more source

Delineating soil fertility management zones using geostatistics and fuzzy clustering in semi-arid maize systems in India. [PDF]

open access: yesEnviron Monit Assess
Bhagwan PV   +6 more
europepmc   +1 more source

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