Evaluation of spatial variability of soil fertility and yielding of winter wheat using R software

Dariusz Gozdowski

dariusz_gozdowski@sggw.edu.pl
Katedra Doświadczalnictwa i Bioinformatyki, Szkoła Główna Gospodarstwa Wiejskiego w Warszawie (Poland)

Daniel Sas


Zakład Planowania i Statystyki, Instytut Ogrodnictwa w Skierniewicach (Poland)

Stanisław Samborski


Katedra Agronomii, Szkoła Główna Gospodarstwa Wiejskiego w Warszawie (Poland)

Andrzej Kapeliński


Katedra Agronomii, Szkoła Główna Gospodarstwa Wiejskiego w Warszawie (Poland)

Abstract

Data for analyses were acquired in 2009 from two commercial fields cropped with the winter wheat (cv. Fregata and Potenzial) in Kujavia region (villages Miechowice and Osłonki). On the basis of soil and plant samples (with known geographical coordinates) collected in 25 sampling points on each field the following traits were examined: grain yield, grain protein content, soil fertility in P2O5, K2O and MgO and soil pH. Geostatistical methods in R software using geoR package (functions: variog() and variofit()) were applied for the data analyses. Spatial variability of the investigated traits was evaluated using parameters of the theoretical variograms.

Supporting Agencies

The work was co-financed by the Warsaw University of Life Sciences grant no. 504-10-01230011

Keywords:

spatial variability, winter wheat, soil properties, variograms, grain yield, grain protein content

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Published
2011-03-31

Cited by

Gozdowski, D. (2011) “Evaluation of spatial variability of soil fertility and yielding of winter wheat using R software”, Bulletin of Plant Breeding and Acclimatization Institute, (259), pp. 63–72. doi: 10.37317/biul-2011-0057.

Authors

Dariusz Gozdowski 
dariusz_gozdowski@sggw.edu.pl
Katedra Doświadczalnictwa i Bioinformatyki, Szkoła Główna Gospodarstwa Wiejskiego w Warszawie Poland

Authors

Daniel Sas 

Zakład Planowania i Statystyki, Instytut Ogrodnictwa w Skierniewicach Poland

Authors

Stanisław Samborski 

Katedra Agronomii, Szkoła Główna Gospodarstwa Wiejskiego w Warszawie Poland

Authors

Andrzej Kapeliński 

Katedra Agronomii, Szkoła Główna Gospodarstwa Wiejskiego w Warszawie Poland

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Copyright (c) 2011 Dariusz Gozdowski, Daniel Sas, Stanisław Samborski, Andrzej Kapeliński

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