همکاری با انجمن علمی مدیریت و کنترل مناطق بیابانی ایران

نوع مقاله : مقاله پژوهشی

نویسندگان

1 استادیار پژوهش، مؤسسه تحقیقات جنگل‎ها و مراتع کشور، سازمان تحقیقات، آموزش و ترویج کشاورزی، تهران، ایران

2 استادیار پژوهشی، مرکز ملی تحقیقات شوری، سازمان تحقیقات، آموزش و ترویج کشاورزی، یزد، ایران

چکیده

گیاهان شورزی یکی از قسمت‎های ضروری شورورزی هستند که برای اشغال اراضی و منابع آب شیرین رقابت ندارند. گیاه شورزی Salicornia persica Akhani در مناطق ساحلی جنوب و بیابانی ایران به‌طور طبیعی رویش دارد. این تحقیق به‌منظور ارزیابی تأثیر دو تیمار کیفیت آب آبیاری (آب دریا و پساب مزارع میگو به‌ترتیب با هدایت الکتریکی 5/64 و 4/66 دسی‌زیمنس بر متر) و تیمار کود سولفات پتاسیم (با سه سطح صفر، 100 و 200 کیلوگرم در هکتار) بر میزان علوفه تولیدی (عملکرد) و ارتفاع این گیاه تحت آزمایش فاکتوریل بر مبنای بلوک‎های کامل تصادفی انجام شد. نتایج نشان داد که عملکرد علوفه خشک سالیکورنیا تحت آبیاری با آب دریا و پساب مزارع میگو به‌ترتیب 92/1136 و 8/740 کیلوگرم در هکتار با اختلاف معنی‎داری متفاوت بود. بررسی اثرهای متقابل تیمار آبیاری (دو سطح) و کود سولفات پتاسیم (سه سطح) نشان داد که بیشترین عملکرد تولید علوفه مربوط به تیمار 100 کیلوگرم در هکتار کود سولفات پتاسیم تحت آبیاری با آب دریا با میزان 8/1538 کیلوگرم در هکتار علوفه خشک بود. تفاوت معنی‎داری بین ارتفاع گیاه مربوط به تیمارهای آبیاری و مصرف کود پتاسیم مشاهده نشد. نتایج نشان داد که تولید سالیکورنیا تحت تیمارهای آبیاری با آب دریا و پساب مزارع میگو امکان‎پذیر و مصرف 100 کیلوگرم در هکتار سولفات پتاسیم باعث افزایش عملکرد می‎شود. تحقیقات بیشتر در زمینه بهبود قابلیت تولید این گیاه شورپسند از طریق عملیات به‌زراعی و انتخاب ژرم‎پلاسم‎های برتر با استفاده از آب دریا و پساب مزارع میگو پیشنهاد شد.

کلیدواژه‌ها

عنوان مقاله [English]

Possibility of forage production of Salicornia persica Akhani under irrigation and potassium sulfate treatments in farm condition, Bushehr province

نویسندگان [English]

  • SeyedMousa Sadeghi 1
  • Mehdi Karimi 2

1 Assistant Professor, Research Institute of Forests and Rangelands, Agricultural Research Education and Extension Organization (AREEO), Tehran, Iran

2 Assistant Professor, National Salinity Research Center (NSRC), Agricultural Research Education and Extension Organization (AREEO),Yazd, Iran

چکیده [English]

Halophytes are one of the essential parts of haloculture that do not compete for the occupation of lands and freshwater resources. Salicornia persica Akhani grows naturally in the southern coastal and desert areas of Iran. This study was conducted to evaluate the effect of two irrigation water quality treatments (seawater and shrimp farm waste-water with electrical conductivity of 64.5 and 66.4 dS m-1 m, respectively) and potassium sulfate fertilizer treatment (with three levels of 0, 100 and 200 kg ha-1) on the amount of forage produced (yield) and height of this plant was investigated in factorial experiment based on randomized complete blocks. The results showed that the yield of Salicornia dry forage under irrigation with seawater and shrimp field waste-water irrigation was 1136.92 and 740.8 kg ha-1, respectively, with significant differences. Investigation of the interaction effects of irrigation treatment (two levels) and potassium sulfate fertilizer (three levels) showed that the highest forage production yield was related to the treatment of 100 kg ha-1 of potassium sulfate fertilizer irrigated with seawater at the rate of 1538.8 kg ha-1 of dry forage .There was no significant difference between plant height related to irrigation treatments and potassium fertilizer application. The results showed that the production of Salicornia under irrigation treatments with seawater and shrimp farm waste-water is possible and consumption of 100 kg ha-1 of potassium sulfate increases yield. Further research was proposed to improve the production potential of this saline plant through agricultural operations and selection of superior germplasms using seawater and shrimp farm waste-water.

کلیدواژه‌ها [English]

  • Haloculture
  • sea water
  • shrimp farm waste-water
  • Salicornia persica
  • potassium sulfate
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