The effect of organic, chemical fertilizer and superabsorbant on nutritional status of sure orange rootstock (Citrus aurantium)
Article Type:
Research/Original Article (دارای رتبه معتبر)
In order to investigate the effect of organic matter, superabsorbent and optimum nutrition on reducing the effect of salinity on irrigation water on sure orange rootstock, a factorial experiment was conducted in a randomized complete block design with 12 treatments and 4 replications. the first factor was an organic matter with two levels (0 and 2 wt%), the second factor was superabsorbent with three levels (0, 0.1 and 0.25 wt%) and the third factor was the two-level optimum nutrition (no fertilizer and optimum fertilizer of required by the plant-based on soil testing. Leaves percentage with symptoms of salinity damage and concentrations of zinc, iron, boron, phosphorus, potassium, sodium, calcium and magnesium were measured different treatments. The results showed that the combined application of animal manure with a superabsorbent fertilizer resulted in an increase in the concentration of these elements in the shoot compared to the control. The highest percentage of sodium (0.17) and leaves with salinity (22.01) and the highest amount of boron (148.2 mg / kg) were observed in control treatment. Also, C2D3E2 treatment (combined 2% organic matter, 0.25% superabsorbent and optimum nutrient intake) had the lowest sodium content and leaves with salinity and lowest boron content, but the highest increase in potassium, iron and zinc with about 2% Equal to their values in the control treatment
مجله تغذیه گیاهان باغی, Volume:2 Issue: 2, 2020
192 to 207  
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