As the mulch breaks down, it provides material which keeps the soil from getting hard.
As the mulch breaks down, it provides material which keeps the soil from getting hard.
如果农地膜分解，会提供一种物质可以保持土壤不坚硬。
As the mulch breaks down, it provides material which keeps the soil from getting hard.
如果农地膜分解，会提供一种物质可以保持土壤不坚硬。