تأثیر آبیاری با فاضلاب بر خصوصیات مورفولوژیک، اجزای عملکرد و محتوی عناصر سنگین بذر پنبه رقم ورامین در منطقه شهرری

نوع مقاله : مقاله پژوهشی

نویسندگان

1 مربی پژوهش- هیئت علمی مرکز تحقیقات کشاورزی و منابع طبیعی استان تهران

2 موسسه تحقیقات پنبه کشور، سازمان تحقیقات، آموزش و ترویج کشاورزی، گرگان، ایران

چکیده

جهت بررسی اثرات فاضلاب شهری بر روی عملکرد و اجزاء عملکرد و میزان آلودگی بذر پنبه به عناصر سنگین در منطقه شهرری، آزمایشی در قالب طرح آماری بلوک‌های کامل تصادفی با چهار تکرار و 5 تیمار: شامل فاضلاب تصفیه‌شده خانگی (T1)، فاضلاب تصفیه نشده خانگی (T2)، آبیاری با آب چاه و فاضلاب تصفیه‌شده به‌صورت یک‌درمیان (T3)، آبیاری با آب چاه و فاضلاب تصفیه نشده به‌صورت یک‌درمیان. (T4)، آب چاه به‌عنوان تیمار شاهد (T5) انجام شد. این مطالعه نشان داد که اثر تیمارها بر عملکرد و اجزاء عملکرد معنی‌دار و بهترین عملکرد از تیمار استفاده از فاضلاب تصفیه نشده خانگی به دست آمد. تفاوت معنی‌داری در سطح 1% ازنظر درصد زودرسی میان تیمارها مشاهده شد که بیشترین درصد زودرسی با 8/75 درصد مربوط به تیمار شاهد یعنی آب چاه و کمترین مربوط به تیمار فاضلاب تصفیه نشده خانگی بود. تفاوت معنی‌داری در سطح  1% از نظر میزان منگنز، مس، آهن، نیکل، کادمیوم و سرب در بذر پنبه میان تیمارها مشاهده گردید. این مطالعه نشان داد که اثر تیمارها بر عملکرد و اجزاء عملکرد مؤثر بوده و بهترین عملکرد از تیمار استفاده از فاضلاب تصفیه نشده خانگی به دست آمد. علت آن مواد مغذی بیشتری است که در این نوع فاضلاب می‌باشد که نقش مؤثری در تعداد غوزه و درنهایت تولید عملکرد داشته است. در مناطق خشک و نیمه‌خشک مانند ایران استفاده مجدد از آب می‌تواند وسیله‌ای برای جبران کمبود آب باشد.

کلیدواژه‌ها

عنوان مقاله [English]

The impact of sewage irrigation on morphological characteristics, yield components, and contain elements of seed cotton (cultivar varamin) in Shahr Ray region

نویسندگان [English]

  • Ebadollah Baniani 1
  • Ebrahim Farahani 1
  • Ghorban Ghorbani Nasrabad 2
1 Research Lecturer, the Faculty members of Research Center for Agriculture and Natural Resources of Tehran, Varamin
2 Cotton Research Institute of Iran, Agricultural Research, Education and Extension Organization (AREEO), Gogan, Iran
چکیده [English]

To investigate the effects of city sewage on yield and yield components and the contamination balance of heavy metals in Ray Zone, an experiment in form of randomized complete block design with four replications and 5 treatments: Includes Treated domestic wastewater (T1), untreated domestic wastewater raw sewage, (T2) irrigation with well water and treated wastewater as interlaced (T3), irrigation with well water and untreated wastewater as interlaced (T4) and Well water as a control (T5) was conducted. The study showed that the effect of treatments on yield and its components was significant and best yield performance was achieved from untreated city wastewater. A significant difference at 1% level of earliness was observed among the treatments that the highest percentage of earliness with 75/8% belonged to Control which well water was used and untreated city wastewater had the least percentage of earliness. Significant differences at 1% level of the amount of manganese, copper, iron, nickel, cadmium and lead in cotton seed was observed among treatments. This study showed that the effect of treatments on yield and yield components were effective and the best performance was obtained using untreated home wastewater. The reason is that in this type of wastewater have more nutrients that play an important role in the production of bolls numbers and the performance of final yield. In arid and semi-arid regions like Iran reuse of water can be a means to compensate for water shortages. 

کلیدواژه‌ها [English]

  • cotton
  • Heavy elements
  • sewage water
  • yield
  • yield components

مراجع

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