تأثیر انواع شخم و گیاهان پوششی بر عملکرد و اجزای عملکرد گندم

پژوهشهای زراعی ایران

مقاله 9، دوره 16، شماره 1 - شماره پیاپی 49، فروردین 1397، صفحه 217-228   

نوع مقاله: مقاله پژوهشی

شناسه دیجیتال (DOI): 10.22067/gsc.v16i1.62248

نویسندگان

زهرا شریفی؛ سید وحید اسلامی^* ؛ مجید جامی الاحمدی؛ سهراب محمودی

دانشگاه بیرجند

چکیده

به‌منظور بررسی اثر کاربرد گیاهان پوششی در یک نظام زراعی مبتنی بر گندم و همچنین مطالعه اثر روش‌های شخم در این نظام، آزمایشی در سال زراعی 94-1393 در مزرعه دانشکده کشاورزی دانشگاه بیرجند به‌صورت کرت‌های خرد شده در قالب طرح پایه بلوک‌های کامل تصادفی در سه تکرار اجرا شد. سه نوع روش خاک‌ورزی (شامل عدم خاک‌ورزی، خاک‌ورزی کاهشی و خاک‌ورزی رایج) به‌عنوان عامل اصلی و گیاهان پوششی در 5 سطح (شامل خلر، منداب، جو ترش، تریتیکاله و عدم کشت گیاه پوششی به‌عنوان شاهد) به‌عنوان عامل فرعی در نظر گرفته شد. نتایج نشان داد که اثر روش خاک‌ورزی بر تعداد سنبله در مترمربع، وزن سنبله در مترمربع، عملکرد بیولوژیک و عملکرد دانه معنی‌دار (P

کلیدواژه‌ها

شخم کاهشی؛ عدم شخم؛ کشاورزی پایدار؛ کشاورزی حفاظتی

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