1.

Determination of Phosphorus Critical Level in Some of Paddy Soils in Guilan

Volume 25, Issue 4, September 2011
M. Karimi Amirkiasar; M. Ardalan; M. Kavoosi; H. Shokri Vahed

2.

Zinc efficiency of wheat cultivars in a calcareous soil with low zinc status

Volume 24, Issue 1, March 2010
F. Moshiri; M. Ardalan; M. Tehrani; Gh. Savaghebi


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