The effect of organic, chemical fertilizer and superabsorbant on nutritional status of sure orange rootstock (Citrus aurantium)

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Sarhadi Javad; HEIDARI SABER; Sharif Mehri

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Journal: HORTICULTURAL PLANT NUTRITION Year:2020 | Volume:2 | Issue:2 Page(s): 192-207

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Title

The effect of organic, chemical fertilizer and superabsorbant on nutritional status of sure orange rootstock (Citrus aurantium)

Author(s)

Sarhadi Javad | HEIDARI SABER | Sharif Mehri | Issue Writer Certificate

Keywords

Cow manure

optimum nutrition

super absorbent

salinity

light texture

Abstract

Introduction: water salinity is a major problem due to its negative influence on the yields of many crops. Among the horticultural products, Citrus is salt-sensitive. And their response to salinity depends on a variety of factors, including rootstock-scion combinations, irrigation system, soil type and climate. Superabsorbent and organic matter are modifiers that have attracted the attention of many researchers and farmers in recent decades. The use of organic fertilizers could be one of the possible ways to modify saline or sodic soils and waters and create a sustainable ecosystem. Although the soil of most citrus orchards in the south of kerman is not very salinity restricted, irrigation water of many orchards is a limitation for the growth and production of citrus crops. So, the purpose of this study was to investigate the effect of optimum nutrition and organic matter and superabsorbent on in increasing salinity resistance at the sure orange rootstock. Materials and Methods: 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. In this experiment, the first factor was an organic matter (rotten Cow manure) with two levels (0 and 2 wt%), the second factor was superabsorbent (acrylic acid acrylic acid copolymer) 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 the macro elements (nitrogen, potassium, phosphorus and magnesium) and the micro elements (iron, zinc and manganese) required by the plant based on soil testing. At the end of experiment, the percentage of leaves with symptoms of salinity damage and concentrations of zinc, iron, boron, phosphorus, potassium, sodium, calcium and magnesium in leaves were measured in different treatments. Results and Discussion: The results were 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. . Conclusions: salinity stress has a great influence on the quantitative and qualitative characteristics of citrus fruits. Applying stress at different stages has different negative effects on the plant. On the other hand, fertilizer systems, especially the combination of organic and chemical fertilizers and application of fertilizers such as superabsorbent, had positive effects on studied traits. Increasing and expanding access to water and improving the water use efficiency of the plant were the main positive effects of using superabsorbent and organic matter on saline-hardened soils. .

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APA: Copy

Sarhadi, Javad, HEIDARI, SABER, & Sharif, Mehri. (2020). The effect of organic, chemical fertilizer and superabsorbant on nutritional status of sure orange rootstock (Citrus aurantium). HORTICULTURAL PLANT NUTRITION, 2(2 ), 192-207. SID. https://sid.ir/paper/380318/en

Vancouver: Copy

Sarhadi Javad, HEIDARI SABER, Sharif Mehri. The effect of organic, chemical fertilizer and superabsorbant on nutritional status of sure orange rootstock (Citrus aurantium). HORTICULTURAL PLANT NUTRITION[Internet]. 2020;2(2 ):192-207. Available from: https://sid.ir/paper/380318/en

IEEE: Copy

Javad Sarhadi, SABER HEIDARI, and Mehri Sharif, “The effect of organic, chemical fertilizer and superabsorbant on nutritional status of sure orange rootstock (Citrus aurantium),” HORTICULTURAL PLANT NUTRITION, vol. 2, no. 2 , pp. 192–207, 2020, [Online]. Available: https://sid.ir/paper/380318/en

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