Studying of the Nitrate Contamination in Organic and Non-Organic Coriander Plant Dezful, Khouzestan, Iran
- سال انتشار: 1391
- محل انتشار: همایش بین المللی بحران های زیست محیطی ایران و راهکارهای بهبود آن
- کد COI اختصاصی: ICECS01_093
- زبان مقاله: انگلیسی
- تعداد مشاهده: 1160
نویسندگان
PhD Student of Soil Science, Science and Research Branch, Islamic Azad University, Khouzestan, Iran
PhD Student of Soil Science, Islamic Azad University, Khorasgan Branch, Esfahan, Iran
Department of Soil Science, Science and Research Branch, Islamic Azad University, Khouzestan, Iran
Department of Soil Science, Science and Research Branch, Islamic Azad University, Khouzestan, Iran
چکیده
In recent years, there has been much attention to the amount of nitrate. Nitrate is not toxic for animals and human. However, if nitrate reduces to nitrite, it can combine with hemoglobin and form met-hemoglobin. Regarding the importance of this subject, they present research was conducted to study the situation of coriander in terms of nitrate contamination in vegetable farms in Dezful city. The samples were ground twice using an electric grinder and after weighing the extraction of anion nitrate using distilled water, a certain amount of the sample was tested. After being shaking, the extract was separated by centrifuge and nitro sulfusalicylic complex was formed using solution like. Then it was read by spectrophotometer in wave length 410 nm in front of standard solution. Duncan test with probability level of 5% and spss software version 18 were applied to compare mean and standard deviation of nitrate concentration in samples from the areas under study. Results of statistical analysis revealed significant difference between nitrate amounts in areas under study. Moreover, nitrate concentration was reported more than permitted in coriander. As well, nitrate concentration tested in the morning and afternoon samples showed significant difference and the highest difference was related to north of Dezful. Therefore, in order to obtain low levels of nitrate concentration, considering soil Analysis, organic cultivation, consuming organic and biologic fertilizers, micronutrients and eugenics can be regarded. Because of its high consumption and great changes in nitrate concentration in coriander, further in investigation and continuous control of nitrate concentration is necessary.کلیدواژه ها
Nitrate, Contamination, Coriander, Vegetable Farms, Dezful Cityمقالات مرتبط جدید
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