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علوم خاک soil-science - خاک چیست؟ ? What is soil
علوم خاک soil-science
پیش به سوی کشاورزی پایدار با نگرش صحیح به خاک

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خاک چیست؟ ? What is soil

 پوسته روئی زمین كه به مرور زمان در اثر هوادیدگی ، تجزیه و فساد و از هم پاشیده شدن سنگ مادر به وجود می آیدو محیط مناسبی برای رشد و نمو گیاهان می باشد خاك نامیده میشود .

تفاوت خاكها ناشی از عواملی است كه در به وجود اوردن امها شركت داشته اند . این عوامل عبارتند از :

1-سنگ مادر

2- آب هوا

3- موجودات زنده

4-پستی و بلندی

5- زمان

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