Volume 23 (2021)
Volume 22 (2020)
Volume 21 (2019)
Volume 20 (2018)
Volume 19 (2017)
Volume 18 (2016)
Volume 17 (2015)
Volume 16 (2014)
Volume 15 (2013)
Volume 14 (2012)
Volume 13 (2011)
Volume 12 (2010)
Volume 11 (2009)
1. Evaluation of nitrogen fertilizer management effects on yield in flowering stage of rapeseed in Gorgan region

Alireza Behdadian; Afshin Soltani; Ebrahim Zeinali; Hossein Ajam Norouzi; Hassan Masoumi

Volume 15, Issue 1 , Spring 2013, , Pages 163-174

Abstract
  To evaluate the effects of nitrogen management at yellow budding stage on seed yield with using nitrogen nutrition index (ratio of nitrogen concentration in the plant to optimum concentration), of rapeseed farms in Gorgan, an experiment was conducted as a nested model arranged in a complete randomized ...  Read More

2. The effect of fertilizer management on yield of crop plants in Pakdasht region

Behzad Azadegan; Reza Amiri

Volume 12, Issue 1 , Spring 2010, , Pages 1-9

Abstract
  The objective of this research was to study the effect of fertilizer management on the yield increase of crop plants. The extra amounts of applied fertilizers were studied by comparison between allocated, applied and recommended fertilizers’ amounts for: wheat, barley, corn and alfalfa with four ...  Read More