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Evaluation of Soil Fertility Status in Northwest of Iran drylands by Nutrient Index Value (NIV)

V. Feiziasl

Volume 34, Issue 4 , September and October 2020, , Pages 897-919

https://doi.org/10.22067/jsw.v34i4.84165

Abstract
  Introduction Dryland farming is a major agricultural practice in northwest of Iran. Knowledge of soil fertility status in this areas is one of the basic needs of dryland agricultural system. Soil chemical properties play important role for the soil fertility and determined after soil testing. The measurement ...  Read More