Effect of application of iron fertilizers in two methods 'foliar and soil application' on growth characteristics of Spathyphyllum illusion

Iron is a necessary element for plant's growth and since the formation of chlorophyll is not possible without the presence of iron, therefore plants deficiency or deactivation of iron show with chlorosis of their leaves. This research was carried out to determine suitable type of iron fertilizer and use method from it for Spathyphyllum ornamental plant. This experiment was carried out in a completely randomized factorial design with two factor: type of fertilizer in 5 levels (a1= control without use of fertilizer, a2= nanoiron fertilizer, a3= FeSo4,a4= EDDHA, a5= Fe-EDTA) and application's method in two levels (b1= foliar spray, b2= soil application) on the Spathyphyllum ornamental plant in a same medium of peat – per lit at the rate 1:1. The growth characteristics and the concentrations of some nutrient in Spathyphyllum plant were measured. According to esults iron fertilizers didn't show obvious morphological changes compared to control treatment. Fe-EDTA treatment loss was caused plants with both of methods "foliar and soil application" and it's use don't recommended particularly in primary stages of growth. As regards EDDHA, nanoiron fertilizer and FeSo4 treatments were in the same level in the most of characteristics, use of nanoiron fertilizer is superior because reduce the harmful effects that chemical fertilizers into the environment, in addition lower cost.

Author(s): Raziyeh Mohamadipoor, ShahramSedaghathoor and Ali Mahboub Khomami

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