请问草地怎样才能完全没有小黄花?

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请问草地怎样才能完全没有小黄花?谢谢.
 
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Refer to City of Ottawa's tips on "Maintaining a Healthy Lawn"
http://www.city.ottawa.on.ca/city_services/yourhealth/environmental/lawn_2_b_en.shtml

Alternatively, attend city's free seminar:
http://www.city.ottawa.on.ca/city_services/yourhealth/environmental/lawn_seminars_en.shtml


Those urls don't work any more. Please try following new address:

City of Ottawa's tips on "Maintaining a Healthy Lawn":
http://ottawa.ca/residents/healthy_lawns/lawns/maintain/index_en.shtml
http://ottawa.ca/residents/healthy_lawns/lawns/maintain/corn_en.shtml

Attend city's free seminar:
http://ottawa.ca/residents/healthy_lawns/lawns/seminars_en.shtml
 
try weed out in Home Depot or Canadian Tire.
 
weed off!!
一喷就灵,效果类似于橙剂。到处都有售。
建议先Google一下“橙剂”和“越战”然后再坐决定。
 
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