禹山坞稻田普遍使用化学除草剂，杂草种数明显少于城北村，水竹叶成为禹山坞稻田的优势种；
Application of herbicides to paddy field at Yushanwu was widespread which resulted in less weed species than that at Chengbei.
禹山坞稻田普遍使用化学除草剂，杂草种数明显少于城北村，水竹叶成为禹山坞稻田的优势种；
Application of herbicides to paddy field at Yushanwu was widespread which resulted in less weed species than that at Chengbei.
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