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发表于 2020-2-16 12:09
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搜了一下，这东西拔了以后真会再长。哎呀，买土买来的烦恼啊。慢慢拔吧。。。。
Spotted spurge often grows in poor, compacted soil. While killing spotted spurge is relatively easy, the hard part is keeping it from coming back. The tap root of this plant is very long and its seeds are very hardy. This weed can and will grow back from either root pieces or seeds. Because of the spotted spurge weed’s mat-like nature, hand pulling is a good option for removing spotted spurge from the lawn or flower beds. Be sure to wear gloves due to the irritating sap. Make sure that you pull this weed before it has a chance to develop seeds; otherwise, it will spread rapidly. After you have hand pulled the spotted spurge, watch for it to start growing again from the tap root. Pull it again as soon as possible. Eventually, the tap root will use up all of its stored energy trying to regrow and will die completely. Heavily mulching with either newspaper or wood mulch is also an effective method of spotted spurge control. Cover ground with spotted spurge with several layers of newspaper or several inches of mulch. This will prevent the spotted spurge weed seeds from germinating and will also smother any plants that have already started growing.
Read more at Gardening Know How: Tips For Spotted Spurge Control https://www.gardeningknowhow.com/plant-problems/weeds/spotted-spurge-control.htm |
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