The Common Types Of Weed Killers For Controlling Weeds
The first kind of weed killer is the systematic weed killer. This type of weed kicker acts like unleashing a nuclear bomb on your weeds. You can first spray the systematic weed killer on the weeds foliage. The foliage absorbs the chemicals from the weed killer which goes all the way down to the roots. The weed is killed completely from the tip to the root. Though this method of killing and controlling weeds is effective it should be used with care. You should beware of spillage as it can kill other plants as well.
Then there are the contact weed killers. These killers have organic content such as glyphosate. The acid and content dissolve the leafs protective coating and gradually the weed dies. There are other contact weed killers which have a powerful chemical that will destroy only the exposed foliage but it will preserve the roots. The contact weed killer is generally used for killing weeds that grow only once a year.
There is also the residual weed killer which is good for controlling weeds. As the name suggests, such a weed killer resides in the ground and does not let the new weeds to grow. It will also kill the weed seeds that try to germinate and the perennials that try to grow above the ground. Most of the residual weed killers contain a chemical called diflufenican.
Last but not the least is the selective weed killer. As the name suggests this type of weed killer selects the weeds that it wants to destroy. However it spares the narrow leafed plants like grass and only goes for broadleaf weeds. This type of weed is used by gardeners who want a weed free lawn. The selective weeds have glyphosate as the main ingredient.
So we see that there are different types of weeds for controlling weed growth. You will need to check out the different factors such as type of weed that is growing in your garden. You can read the instruction on the weed bottle and apply the weed on your own or you can hire the services of a professional.