Phân huỷ rơm rạ tại ruộng để làm phân bón
Hiện nay, cùng với việc ứng dụng các tiến bộ khoa học vào sản xuất, nhiều loại máy móc được đưa vào gặt và tuốt lúa. Sau khi gặt xong, nông dân tuốt lúa ngay tại đồng ruộng nên giảm được nhiều công sức trong việc vận chuyển lúa (chưa tuốt) về nhà tuốt. Vì thế, rơm rạ phần lớn để lại ngoài đồng Phần lớn rơm rạ sau khi thu hoạch được nông dân để lại ngoài đồng ruộng ruộng (chỉ một phần nhỏ được nông dân đưa về nhà để làm thức ăn cho gia súc về mùa đông). Phần rơm rạ ngoài đồng được người dân đốt ...
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