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بررسی فصل و روشهای مختلف مرتعکاری در استقرار گونه Sanguisorba minor در ایستگاه تحقیقات همند آبسرد، دماوند | ||
| تحقیقات مرتع و بیابان ایران | ||
| دوره 27، شماره 1 - شماره پیاپی 78، فروردین 1399، صفحه 134-143 اصل مقاله (505.19 K) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22092/ijrdr.2020.122142 | ||
| نویسندگان | ||
| نیلوفر زارع* 1؛ صدیقه زارع کیا2؛ پروانه عشوری3 | ||
| 1کارشناس ارشد، بخش تحقیقات مرتع، موسسه تحقیقات جنگلها و مراتع کشور، سازمان تحقیقات، آموزش و ترویج کشاورزی، تهران، ایران | ||
| 2استادیار پژوهش، بخش تحقیقات جنگل و مرتع، مرکز تحقیقات و آموزش کشاورزی و منابع طبیعی استان یزد، سازمان تحقیقات، آموزش و ترویج کشاورزی، یزد، ایران | ||
| 3استادیار پژوهش، بخش تحقیقات مرتع، موسسه تحقیقات جنگلها و مراتع کشور، سازمان تحقیقات، آموزش و ترویج کشاورزی، تهران، ایران | ||
| چکیده | ||
| به منظور دستیابی به روش و فصل مناسب مرتعکاری گونه Sanguisorba minor در عرصههای مرتعی، مطالعه حاضر طی سالهای 1392 تا 1395 در ایستگاه تحقیقات همند آبسرد به اجرا درآمد. طرح بصورت کرتهای خرد شده (اسپلیت پلات) در قالب طرح پایه بلوکهای کامل تصادفی با سه تکرار به اجرا در آمد. فاکتور A زمان مرتعکاری (در دوسطح مرتعکاری پاییزه و بهاره) در کرتهای اصلی و فاکتور B روش مرتعکاری (در دو سطح بذرکاری و بذرکاری توام با ذخیره نزولات با استفاده از هلالی آبگیر) در کرتهای فرعی قرار گرفتند. آماربرداری از درصد استقرار بوتهها در آخر فصل رویشی در هر سال انجام گرفت. تجزیه واریانس دادهها با استفاده از نرم افزار SPSS 22 و مقایسه میانگینها با روش دانکن صورت گرفت. نتایج نشان داد که فصل مرتعکاری و روش مرتعکاری تاثیر معنیداری در استقرار گونه داشتهاند. مرتعکاری پاییزه بهتر از بهاره و بذرکاری توام با ذخیره نزولات، بهتر از بذرکاری معمولی میباشد. آماربرداری سال آخر نشان داد بیشترین درصد استقرار مربوط به مرتعکاری پاییزه توام با ذخیره نزولات با 45 درصد استقرار بوده که پایهها به گل و بذر رسیدند. این در حالیست که در روش بذرکاری تنها 18 درصد نهالها مستقر گردید. لذا مرتعکاری پاییزه و بذرکاری با استفاده از هلالی آبگیر به منظور حصول بهترین نتیجه جهت استقرار این گونه در منطقه مورد مطالعه و سایر مناطق مشابه، توصیه میگردد. | ||
| کلیدواژهها | ||
| بذرکاری؛ هلالی آبگیر؛ مراتع نیمه استپی؛ روش مرتعکاری؛ فصل مرتعکاری | ||
| عنوان مقاله [English] | ||
| Study of different methods of cultivation and season in establishment of Sanguisorba minor in Homed Absard Research Station of Damavand | ||
| نویسندگان [English] | ||
| Niloofar Zare1؛ Sedigheh Zarekia2؛ Parveneh Ashouri3 | ||
| 1Rangeland Research Division, Research Institute of Forests and Rangelands, AREEO, Tehran, Iran | ||
| 2Assistant Professor, Forest and Rangeland Research Division, Yazd Agriculture and Natural Resources Research and Education Center, AREEO,Yazd, Iran | ||
| 3Assistant Professor, Rangeland Research Division, Research Institute of Forests and Rangelands, AREEO, Tehran, Iran | ||
| چکیده [English] | ||
| In order to achieve a suitable cultivation method and season of Sanguisorba minor in rangelands, the present study was carried out during 2013-2016 in Homand Absard research station. The design was conducted in the form of split plots based on the randomized complete block design with three replications. Factor A was cultivation time (in two levels of fall and spring rangeland) in the main plots and factor B was cultivation method (in two levels of seeding and seeding combined with rainfall storage using crescent bounds) were located in the sub-plots. The percentage of plant establishment was recorded at the end of the growing season in each year. Analysis of variance was performed using SPSS 22 software and the means were compared by Duncan method. The results showed that season and cultivation method had a significant effect on species establishment. Fall cultivation was better than spring and sowing with rainfall storage was better than regular sowing. Last year's results showed that the highest percentage of establishment was related to fall cultivation with rainfall storage with 45% establishment that the seedlings reached flowers and seeds. | ||
| کلیدواژهها [English] | ||
| Seeding؛ crescent-shaped banquette؛ Semi-Steppe rangelands؛ planting method, planting date | ||
| مراجع | ||
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