تأثیر گرد و غبار سیمان بر برخی ویژگی‌های شیمیایی خاک تودة گبر-رمس در مجاورت کارخانة سیمان (مطالعة موردی: بندر خمیر، هرمزگان)

نوع مقاله : مقاله پژوهشی

نویسندگان

1 گروه احیاء مناطق خشک و کوهستانی، دانشکدة منابع طبیعی، دانشکدگان کشاورزی و منابع طبیعی، دانشگاه تهران، کرج، ایران.

2 بخش تحقیقات منابع طبیعی، مرکز تحقیقات کشاورزی و منابع طبیعی استان هرمزگان، سازمان تحقیقات، آموزش و ترویج کشاورزی، بندرعباس، ایران.

3 گروه مهندسی منابع طبیعی، دانشکدة کشاورزی و منابع طبیعی، دانشگاه هرمزگان، بندرعباس، ایران.

10.22059/jfwp.2024.380773.1306

چکیده

هدف از این پژوهش، بررسی اثرات انتشار گرد و غبار سیمان بر ویژگی‎های شیمیایی خاک تودة گبر-رمس در فواصل مختلف از کارخانة سیمان بود. بدین‌منظور در فصل بهار، سه ترانسکت 2000 متری با فواصل 50 متر از یکدیگر در عرصه پیاده شد و در فواصل 0، 500، 1500 و 2000 متری از کارخانة سیمان در پلات‎هایی با ابعاد 10×10 متر مربعی نمونة خاک از عمق 30-0 سانتی‎متری، از زیر تاج گونة درختی گبر (Hayne (Forssk.) Acacia tortilis) و گونة مرتعی رمس (Moq.) Iljin)Hammada salicornica ) در بندر خمیر واقع در استان هرمزگان برداشت و پس از تجزیة شیمیایی، با استفاده از آنالیز واریانس دوطرفه در سطح 5 درصد آنالیز شدند. بیشترین میزان هدایت الکتریکی در تیمار صفر (6/53 میلی‎موس بر سانتی‎متر) مشاهده شد. درصد کربن آلی، نیتروژن کل، فسفر و گوگرد قابل جذب و ظرفیت تبادل کاتیونی در فاصلة صفر با مقادیر به‎ترتیب 0/37 درصد، 0/02 درصد ، 9/63 و 22/45 میلی‎گرم در لیتر و 11/85 سانتی‎مول بار بر کیلوگرم به‎طورمعنی‎داری کمتر از سایر تیمارها بود (0.05>P). مقدار گوگرد و ظرفیت تبادل کاتیونی، در گونة گبر (22/94میلی‌گرم در لیتر و 13/42سانتی‎مول بار بر کیلوگرم) و در گونة رمس (23/65میلی‌گرم در لیتر و 11/71سانتی‎مول بار بر کیلوگرم) بود. اثرات متقابل فاصله × گونه نشان داد مقادیر کربن آلی و نیتروژن در فواصل مختلف برای هر گونه متفاوت است، به‌طوری‌که در فواصل طولانی‎تر، گونه‌ها کربن آلی و نیتروژن بیشتری نسبت به فاصله‎های نزدیک‎تر دارند (0.05>P).

کلیدواژه‌ها

موضوعات

عنوان مقاله [English]

The impact of cement dust on some chemical properties of Acacia tortilis-Hammada salicornica soil stands near a cement factory (Case Study: Bandar-e- Khamir, Hormozgan)

نویسندگان [English]

  • Mohammad Pichand 1
  • Mohammad Jafari 1
  • Ali Tavili 1
  • Maryam Moslehi 2
  • Marzieh Rezai 3
1 Department of Reclamation of Arid and Mountainous Regions, Faculty of Natural Resources, University College of Agriculture & Natural Resources, University of Tehran, Karaj, Iran.
2 Research Division of Natural Resources, Hormozgan Agricultural and Natural Resources Research and Education Center, AREEO, Bandar Abbas, Iran.
3 Natural Resources Engineering Group, Agriculture and Natural Resources College, University of Hormozgan, Bandarabass, Iran.
چکیده [English]

The aim of this research was to examine the effects of cement dust emissions on the chemical properties of soil in Acacia tortilis-Hammada salicornica stands located 0 to 2-kilometers away from a cement factory. To this end, during the plant growing season, three 2000-meter transects with 50-meter intervals were established, and soil samples were collected at distances of 0, 500, 1500, and 2000 meters from the cement factory. The samples, taken from a depth of 0-30 cm (in plots measuring 10×10 m²) under the canopy of the tree species Acacia tortilis (Forssk.) Hayne and the rangeland species Hammada salicornica (Moq.) Iljin in Bandar-e-Khamir, Hormozgan province, were transported to the laboratory for chemical analysis and analyzed using two-way ANOVA at the 95% confidence level. The highest electrical conductivity was observed at the zero-distance treatment (6.53 mS/cm). The percentages of organic carbon, total nitrogen, available phosphorus, available sulfur, and cation exchange capacity at the zero distance, with values of 0.37%, 0.02%, 9.63 mg/L, 22.45 mg/L, and 11.85 cmolc/kg, were significantly lower than those at other distances (P<0.05). The sulfur content and cation exchange capacity were 22.94 mg/L and 13.42 cmolc/kg for A. tortilis, and 23.65 mg/L and 11.71 cmolc/kg for H. salicornica (P<0.05). The distance × species interaction showed that organic carbon and nitrogen varied at different distances for each species, such that at greater distances, the species had higher levels of organic carbon and nitrogen compared to locations closer to the cement factory (P<0.05).

کلیدواژه‌ها [English]

  • Cement plant dust
  • Crown
  • Forb and tree species
  • Hormozgan
  • Soil characteristics

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نشریه جنگل و فرآورده های چوب
دوره 77، شماره 3
آذر 1403
صفحه 217-228

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