نوع مقاله : مقاله کامل علمی پژوهشی
نویسندگان
1 دانش آموخته کارشناسی ارشد ،گروه علوم و مهندسی خاک، دانشکده کشاورزی، دانشگاه شهید چمران اهواز، اهواز، ایران.
2 استادیار، گروه شیمی، دانشکده علوم، دانشگاه شهید چمران اهواز، اهواز، ایران .
3 دانشیار ، گروه علوم و مهندسی خاک، دانشکده کشاورزی، دانشگاه شهید چمران اهواز، اهواز، ایران.
4 دانشیار، گروه علوم باغبانی، دانشکده کشاورزی، دانشگاه شهید چمران اهواز، اهواز، ایران.
چکیده
کلیدواژهها
موضوعات
عنوان مقاله [English]
نویسندگان [English]
Abstract:
Background and Objectives: Micronutrient insufficiency in plants is becoming increasingly common, particularly in calcareous soils. Hence, application of new ways including slow release fertilizer is increasing to improve the nutritional status of nutrients. Therefore, the present study was carried out to investigate the effects of hydrogel and zinc on soil chemical properties, yield, concentration and uptake of zinc in Mentha in a calcareous soil under greenhouse condition.
Materials and Methods: This research was conducted in a complete randomized design with three replications. The treatments were included hydrogel in levels of 0, 0.005 and 0.01 % of soil and zinc sulfate fertilizer in level of 40 and 20 Kgha-1. nDuring the experiment, chlorophylln a and b were measured. At the end of the experiment, soil chemical properties such as pH, dissolved organic carbon (DOC), available zinc, and yield and some physiological characteristics of Mentha were measured.
Results: The results showed that the lowest pH, the maximum of DOC and soil available zinc was obtained in level of 0.01% of hydrogel treatment. The maximum yield of Mentha was obtained in level of 0.01% of hydrogel treatment. The utilization of hydrogel and zinc fertilizer had a considerable impact on the zinc concentration and uptake.
Conclusions: The results of this study showed that the use of hydrogel in the amount of 0.01% by weight and 40 Kgha-1 of zinc sulfate can have a useful and effective role in improving zinc uptake in Mentha. Based on these experimental results, it could be concluded that the increase in the amount of zinc in the Mentha plant was due to the increase in the amount of zinc in the soil and as a result, better uptake and impact on yield. The utilization of hydrogel in combination with chemical fertilizers is an effective approach to mitigate environmental issues associated with the use of chemical fertilizers.
Conclusions: The results of this study showed that the use of hydrogel in the amount of 0.01% by weight and 40 Kgha-1 of zinc sulfate can have a useful and effective role in improving zinc uptake in Mentha. Based on these experimental results, it could be concluded that the increase in the amount of zinc in the Mentha plant was due to the increase in the amount of zinc in the soil and as a result, better uptake and impact on yield. The utilization of hydrogel in combination with chemical fertilizers is an effective approach to mitigate environmental issues associated with the use of chemical fertilizers.
کلیدواژهها [English]
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