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Weed removal can be tricky business generally speaking because weeds are very hardy. If they are pulled by hand, it is very important to pull the entire weed out, including the roots. If the root of the weed is not extracted then it will more than likely grow back, very quickly. The problem here is time, especially if you have a very large yard. Another option to consider is to purchase weed removal products. If you prefer to have the job done professionally then it may be a good idea to contact a lawn service. Lawn services usually apply fertilizers/herbicides several times throughout the year to kill the weeds and fertilize the lawn at the same time.
Of course if you are thinking about weeds in something other than a lawn, pulling them by hand is often the most effective method, but this is not always an option if it is a particularly large area or if you are really limited in terms of the amount of time you have.
There are also certain techniques that work well with certain weeds, things like a flame weeder can be great for certain things but really ineffective for others. You might use something like Round Up for killing weeds in a space where you don't want anything to grow but you shouldn't plan on using it in a garden where you do want surrounding plants to grow.
Weed is any plant that grows where in places where people do not want it to grow. A plant may be considered a weed in one place but not in another. Many weeds are destructive because they reduce the quality and quantity of crops by using up sunlight, water, and nourishing substances in the soil, that could have otherwise contributed to the growth of the crops. Weeds can cause harm to other plants also by shelteringg insects and diseases harmful to other plants. Also weeds are considered unsightly in gardens.
Methods of removing or controlling weeds include cultural, mechanical, biological, and chemical methods. Cultural control means use of efficient crop production to prevent weeds from growing. For example, planting crop seeds that are free of weed seeds.
Mechanical control is achieved by destruction of weeds manually or by machine. Biological control makes use of natural enemies of weeds, such as insects that eat certain weeds but not other crops. Such insects and other small animals may be put into a field where weeds eaten by them are growing. Similarly bacteria and other organisms are used to spread diseases among specific species of weeds. Chemical control is the use of chemical compounds that kill weeds but do not harm crops. These chemicals called herbicides must be used carefully to avoid harm to crops, human beings, and animals.
1. Fertilize your lawn effectively to crowd out weeds before they sprout. Follow the directions on the fertilizer package to get the right balance for your yard. Too little and your lawn will be sparse and allow weeds to thrive; too much and unwanted weeds like crabgrass will flourish.
2. Water your lawn infrequently with deep soakings. Your lawn needs about one inch of water per week. Frequent light lawn watering leads to shallow roots which helps many annual weeds germinate
3. Get a dandelion removal tool to ensure that you get the entire root out of the ground. Once you've removed the roots, reseed the holes with grass seed to prevent new weeds from taking root.
4. Hand-pull weeds while they're young if your lawn is small enough. This is the most effective way to correct a weed problem before it gets out of hand.
5. Use herbicides only as a last resort. If you need to use an herbicide, choose a post-emergence systemic selective version. Selective herbicides will only kill certain weeds while preserving your grass rather than killing any plant they come in contact with.
6. Use a non-selective herbicide to spot-treat resistant weeds only and avoid spraying the lawn surrounding the weed as much as possible.
7. Apply a pre-emergence herbicide twice a year. Pre-emergence herbicides kill certain weeds before they sprout.
8. Dig out areas of your lawn that have been completely taken over by weeds and start over. Determine what factors may have caused the weed takeover to begin with such as using the wrong kind of turf grass for your region or improper irrigation, fertilization or mowing. Remove and destroy the existing weeds, work the soil, remove weed debris, add soil amendments and fertilizer and them level and firm the area. Irrigate and patch with sod, seed or plugs.
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