Volume 38 (2024)
Volume 37 (2023)
Volume 36 (2022)
Volume 35 (2021)
Volume 34 (2020)
Volume 33 (2019)
Volume 32 (2018)
Volume 31 (2017)
Volume 30 (2016)
Volume 29 (2015)
Volume 28 (2014)
Volume 27 (2013)
Volume 26 (2012)
Volume 25 (2011)
Volume 24 (2010)
Volume 23 (2009)
Volume 22 (2008)
Comparison of Linear Regression Methods, Geostatistical and Artificial Neural Network Modeling of Organic Carbon in Dry Land of Sistan Plain

Ahmad Gholamalizadeh Ahangar; F. Sarani; M. Hashemi; A. Shabani

Volume 28, Issue 6 , January and February 2015, , Pages 1250-1260

https://doi.org/10.22067/jsw.v0i0.32714

Abstract
  Knowledge of organic carbon spatial variations in different land uses will help to interpret and simulate the behavior of terrestrial ecosystems facing environmental and climate changes. The purpose of this study is comparing regression, geostatistics and artificial neural network (ANN) methods for predicting ...  Read More

Determination of the Most Important Soil Parameters Affecting the Availability of Phosphorus in Sistan Plain, Using Connection Weight Method in Neural Networks

H. Mir; Ahmad Gholamalizadeh Ahangar; A. Shabani

Volume 29, Issue 6 , January and February 2015, , Pages 1674-1687

https://doi.org/10.22067/jsw.v29i6.39564

Abstract
  Introduction: Phosphorus is important as an essential element in the production of agricultural products. On the other hand, its ability to induce essential micronutrient deficiency and its negative effects on the environment, have attracted more attention to this element. The knowledge of phosphorus ...  Read More

Influence of Topography and Soil Characteristics on the Rainfed Wheat Yield in Sisab Region, Northeastern Iran

A. Shabani; Gh. haghnia; Ali reza Karimi; M.M. Ahmadi

Volume 26, Issue 4 , September and October 2012, , Pages 922-932

https://doi.org/10.22067/jsw.v0i0.15296

Abstract
  Topographic characteristics are considered as important factors for growth and yield of rainfed crops because of the impact on the water distribution and consequently effects on soil physical and chemical properties. No information is available on this subject for North Khorasan province of Iran. The ...  Read More