1. These could be used as raw material for a new compost, produced by a decontaminating process known as WMC. 2. The coir is blended with a mix of nitrogen, phosphate and potassium fertilizers to form the new compost. 3. Any pieces of decomposed vegetation too large to pass through a grid go into the new compost pile for another six months. |
每页显示:
共 4 句