اثر عرض جویچه‌سازها در خطی‌کار کف‌کار بر عملکرد گندم در خاک شور

نوع مقاله : مقاله پژوهشی

نویسندگان

1 بخش تحقیقات فنی و مهندسی کشاورزی، مرکز تحقیقات و آموزش کشاورزی و منابع طبیعی فارس ، سازمان تحقیقات، آموزش و ترویج کشاورزی، شیراز، ایران.

2 مربی، بخش تحقیقات فنی و مهندسی کشاورزی، مرکز تحقیقات و آموزش کشاورزی و منابع طبیعی فارس ، سازمان تحقیقات، آموزش و ترویج کشاورزی، شیراز ، ایر

3 3. کارشناس ارشد، بخش تحقیقات فنی و مهندسی کشاورزی، مرکز تحقیقات و آموزش کشاورزی و منابع طبیعی فارس ، سازمان تحقیقات، آموزش و ترویج کشاورزی، ش

چکیده

       برای تعیین عرض مناسب جویچه­سازها در خطی­کار کف­کار و اثر آن بر عملکرد گندم، این پژوهش در قالب طرح آماری بلوک کامل تصادفی با چهار تیمار و چهار تکرار اجرا شد. تیمارها شامل کاشت گندم با دستگاه خطی­کار کف­کار با عرض جویچه­سازهای 60 ، 75 و 100 سانتی­متر و کاشت گندم روی پشته با خطی­کار مرسوم با عرض جویچه­ساز 60 سانتی­متر (شاهد) بود. پارامترهای شوری خاک (EC)، درصد سبز گندم، وزن هزاردانه و عملکرد محصول اندازه­گیری شد. نتایج نشان داد که استفاده از خطی­کار کف­کار بر توزیع شوری در پروفیل خاک، درصد سبز و عملکرد گندم موثر است. شوری خاک در روی پشته و کنار پشته نسبت به کف جوی به ترتیب 7/50 و 1/17 درصد افزایش داشته است. خطی­کار کف­کار با عرض جویچه‌سازهای 75 سانتی­متری نسبت به روش کاشت گندم روی پشته، باعث افزایش درصد سبز گندم (1/43 درصد)، وزن هزاردانه (9/5 درصد) و عملکرد گندم (3/39 درصد) شد.

کلیدواژه‌ها

موضوعات


عنوان مقاله [English]

Effect of Furrows Width of In-furrow Grain Drill on Wheat Yield in Soil Salinity

نویسندگان [English]

  • Aliakbar Solhjou 1
  • Seyed Ebrahim Dehghanian 2
  • Seyed Mansor Alavimanesh 3
1 Agricultural Engineering Research Department, Fars Agricultural and Natural Resources Research and Education Center, Agricultural Research Education and Extension Organization, Shiraz.
2 2. Instructor, Agricultural Engineering Research Department, Fars Agricultural and Natural Resources Research and Education Center, Agricultural Research Education and Extension Organization, Shiraz, Iran.
3 Master of science, Agricultural Engineering Research Department, Fars Agricultural and Natural Resources Research and Education Center, Agricultural Research Education and Extension Organization, Shiraz, Iran.
چکیده [English]

        This study was a randomized complete block experimental design with four treatments and four replications to determine the suitable furrows width for in-furrow grain drill and also wheat yield. Treatments were planting wheat by in-furrow grain drill with furrows width of 60, 75 and 100 cm and planting wheat on raised bed by conventional grain drill with furrow width of 60 cm (control). In this project, the effect of in-furrow grain drill on EC, seeds germination percent, 1000 seeds weight and crop yield were studied. Results indicated that in-furrow grain drill affected distribution of salinity (EC) in soil profile, seeds germination percent and wheat yield. The salt concentration at the top-center of beds and at the sides of the beds increased by 50.7% and 17.1% compare to mid-furrow, respectively. In-furrow grain drill with furrow width of 75 cm increased seeds germination (43.1%), 1000 seeds weight (5.9%) and crop yield (39.3%) compare to planting wheat on raised bed.

کلیدواژه‌ها [English]

  • Conventional grain drill
  • Seed germination percent
  • 1000 seeds weight
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