Role of Conservative Agriculture in the Sustainability of Soil Structure in Achieving Sustainable Management
محورهای موضوعی : Environmental policy and management
سحر دعایی
1
(
گروه خاکشناسی، دانشکده کشاورزی و منابع طبیعی، دانشگاه آزاد اسلامی، واحد علوم و تحقیقات تهران، ایران
)
ابراهیم پذیرا
2
(
گروه خاکشناسی، دانشکده کشاورزی و منابع طبیعی، دانشگاه آزاد اسلامی، واحد علوم و تحقیقات تهران، ایران
)
شهلا محمودی
3
(
گروه خاکشناسی، دانشکده کشاورزی و منابع طبیعی، دانشگاه آزاد اسلامی، واحد علوم و تحقیقات تهران، ایران.
)
علی محمدی ترکاشوند
4
(
گروه خاکشناسی، دانشکده کشاورزی و منابع طبیعی، دانشگاه آزاد اسلامی، واحد علوم و تحقیقات تهران، ایران.
)
کلید واژه: Soil characteristics, conservation tillage, aggregate stability, conservative agriculture,
چکیده مقاله :
Conservative agriculture is considered an alternative to tackle the need for increased agricultural production based on sustainable agriculture activities with the aim of increasing production and product stability along with preserving the environment. Tillage is one of the most important factors affecting soil structure. Appropriate tillage systems vary with local conditions, such as climate, soil type, type of plant residues, tensile strength, and so on. Understanding the components of the aggregate sustainability controller is very important for maintaining soil structure. This review paper discusses the role of tillage in aggregate stability and soil structure to reach conservative agriculture development. Considering the advantages of conservation tillage, it is better to use this kind of tillage for sustainable agriculture development. Based on the analysis of the available literature, it can be concluded that the conservation tillage also enhances soil structural stability through its positive effects on soil moisture and organic matter. Less soil disturbance, which is the characteristic of conservation tillage, has positive effects on soil properties and soil processes, which interact in a complex way, and they all together contribute to enhancing soil quality.
کشاورزی حفاظتی برای جبران نیاز افزایش تولید محصولات کشاورزی براساس فعالیتهای کشاورزی پایدار به عنوان یک جایگزین با هدف افزایش تولید و پایداری محصول همراه با حفظ محیط زیست منظور می‌شود. در مدیریت پایدار خاک ضروری اسـت کـه کیفیـت خاک ارزیابی گردد. روش خاکورزی یکی از مدیریت‌هایی است که به شدت بر ساختمان خاک تاثیردارد. انتخاب درست روش خاکورزی بر عملکرد محصول،کیفیت خاک، میزان مصرف نهاده‌ها تاثیر قابل ملاحظه‌ای دارد. انتخاب سیستمهای خاکورزی مناسب براساس شرایط هر منطقه از جمله آب وهوا، نوع خاک، نوع بقایای گیاهی، قدرت کششی در دسترس و غیره متفاوت است. پایداری خاکدانهها یکی ازخصوصیات اصلی موثر برفرسایش‌پذیری و ویژگی‌های اصلی فیزیکی و هیدرولیکی خاک است. شناخت اجزای کنترل کننده پایداری خاکدانهها برای حفظ ساختمان خاک بسیار مهم است. این تحقیق به صورت مقاله مروری با هدف بررسی نقش خاکورزی بر روی پایداری خاکدانهها و ساختمان خاک در دستیابی به توسعه پایدارکشاورزی صورت گرفته است. با توجه به مزیتهای روش خاکورزی حفاظتی مطلوبتراست، جهت توسعه پایدار بخش کشاورزی از این نوع خاکورزی استفاده نمود.
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