Buying guide for最好的weed killers
没有人喜欢草坪，花坛或菜园中的杂草的外观。除了缺乏视觉吸引力之外，杂草还从您想要种植的植物中窃取了宝贵的营养和阳光。杀死杂草可以帮助您的其他植物保持健康。
It’s tough to pull stubborn weeds, and it’s frustrating when the root breaks in half, leaving the weed to grow back later. Instead, you can apply a weed killer, which uses chemicals to kill the weeds over time.
With so many different brands and types of weed killers on the market, picking the right option isn’t easy. Arming yourself with some key information will help you find the right weed killer for your situation.
How weed killers work
无论您是使用粉末，颗粒状，液体还是凝胶除草剂，这些产品都倾向于以类似的方式起作用：除草剂中的化学物质粘在杂草的叶子上，然后吸收化学物质。
一旦植物吸收除草剂,炼金术士als destroy the weed’s structure. The weed carries the chemicals to its root system, too, hastening the demise of the weed. You’ll notice spots and browning on the leaves a day or two after applying the weed killer. The plant will begin to droop one to three days after application. The plant should die three to seven days after application.
专家提示
To ensure the weed killer only targets the weeds you want to kill, spray on a windless day.
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在哪里使用除草剂
Some weed killer products will kill any kind of plant, not just weeds. Sometimes, you may want to kill weeds in an area but not the other plants growing there. For example, you might want to kill the weeds in your lawn while keeping the grass healthy.
制造商创建了许多不同的除草剂产品，旨在确保某些植物的安全。其他产品将消除包括杂草在内的所有植物。
All weeds
如果你想杀死所有人weeds, grasses, and other plants in a large area, choose a product designated for grass-killing. However, apply it carefully or it could kill nearby plants you’d like to protect.
“某些除草杀手产品的集中精力，这意味着您必须在施用之前将化学物质与水混合。”
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草坪保护
某些类型的除草剂，例如颗粒状和粉末，即使与它们接触，也不会杀死草。这些产品中的化学物质仅粘在阔叶植物上。您可以将这些除草剂应用于草坪中的蒲公英而不会损害草。
"If you have a certain type of weed you want to kill, read the instructions. Each product includes a list of the weeds it kills."
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Garden protection
因为大多数花朵和蔬菜都有宽阔的叶子，所以在花园is tricky. The chemicals will destroy broadleaf flowers and vegetables just as easily as weeds.
Your best option is to use a weed and grass killer product but apply it carefully. A gel type of weed killer works well in this case. Or use a sprayer very precisely on a day with no wind.
Did you know?
根据除草剂的不同，您将不得不等待几天到几个月才能在该地区种植任何新的东西。
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Woody plants
最强大的除草剂类型在木质植物上工作，例如刷子或常春藤。这些除草剂还将杀死其他任何类型的植物，例如阔叶杂草和草。您想非常小心地应用这种类型的除草剂。避免在大风天使用。
杂草杀手以液体，凝胶，颗粒状和粉状形式出现。我们评估每种类型的有效性，易用性和价格，以帮助消费者做出明智的决定。
Organic herbicides that don’t contain harsh chemicals are available, and they appeal to consumers who are concerned about the environment. We consider them when we research, noting that they aren’t as effective as top-selling options formulated with chemicals.
We take into account how consumers will be using weed killers. Do they need a product that also kills grass? Do they want to keep flowers and vegetable plants safe? These are questions we consider when choosing products for our shortlist.
一些粉状和颗粒状产品还含有肥料。在我们的研究中评估了它们的安全性和有效性。
在我们对除草剂的研究中，我们仔细检查了这些方向，在使用这些产品周围和宠物周围使用这些产品时，对于最佳安全而言，这一点很重要。
一些杂草杀手可以解决艰难的木本植物，例如各种常春藤。我们评估产品是否会损害园丁不想杀死的阔叶植物。
When we research a weed killer, we want to know when it’s safe to water plants after application. We evaluate the instructions, which typically provide this important information.
一些杂草杀手准备立即使用。其他人则是集中的，必须在施用之前与水混合。我们比较这些品种的便利性和价值。
对于消费者而言，重要的是要在购买之前了解申请过程。通常会喷涂液体，而粉状和颗粒状配方最好与撒布机一起使用。也可以使用直接应用于叶子的除草剂。我们在评估除草剂时研究申请过程。
Weed killer prices vary depending on formula, package size, type, and brand. We take these factors into account when comparing products.
Weed killer application
制造商创建了许多用于应用除草机产品的选项。其中一些方法更精确。其他人允许您更快地应用产品。一些杂草杀手容器与附带的应用程序设备一起出售。其他人要求您提供自己的应用程序设备。
喷雾器：You apply most liquid weed killer products with a sprayer. If you’re applying the chemicals over a huge area, you might use a large sprayer pulled behind an ATV or lawn tractor. For smaller applications, you can carry a container and hold the sprayer in your hand. Air pressure feeds the liquid into the sprayer, and you press a trigger to apply the liquid.
吊具：You use a drop spreader to apply powder or granular weed killer products. This is a common way to quickly apply fertilizer and weed killer mixed together on a lawn or other large area. Spreaders don’t work for applying weed killer to individual weeds.
直接的：您可以通过将其“绘画”到叶子上直接应用一些较新的除草剂凝胶。
专家提示
缺点ider a gel weed killer if you need to precisely apply the chemical in a flower bed.
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Weed killer prices
Comparing the costs of different liquid weed killers can be a challenge. Even if two products ship in the same container size, the weed killers may be nothing alike. When comparing prices, calculate the cost per gallon of ready-to-use weed killer. For concentrates, calculate the cost of the concentrate based on the number of gallons of diluted product you can make. Then compare that amount to the ready-to-use product.
集中
For concentrated weed killers, you must add water to dilute the chemical before application. This gives you a better price per ounce than it may appear initially because you’ll get more applications per bottle than with a product that already contains water. Note that you’ll have to supply your own sprayer, adding another $10 to $25 to the cost, but you can use the sprayer dozens of times if you care for it properly.
Price:集中产品的成本大致每加仑$ 3至$ 10diluted.
“大多数除草剂喷嘴都有不同的设置。为您的应用需求选择最佳的喷嘴。”
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Ready-to-Use
现成的除草剂不需要用水稀释。这些容器中的大多数都具有喷雾器或其他应用程序设备，从而进一步简化了应用程序。凝胶产品适合此类别。为了方便起见，您将支付额外费用。
Price:现成的除草剂大致成本每加仑8至20美元.
粉末和颗粒状
Because powder and granular weed killers also include fertilizer, they’re used for a different purpose and not really comparable to liquid weed killers when it comes to price.
Price:Powders and granular products cost about$5 to $12 per 1,000 square feet of lawn.
FAQ
问：我怎么知道除草剂是否在起作用？
A.Most weed killer products show progress within several hours, although some require up to 24 hours. When the weed killer is working, you’ll notice brown spots on the weed’s leaves, and the plant will droop and appear unhealthy. Check the label on your weed killer product for the exact period of time between application and results.
Q. Should I apply weed killer before it rains, after it rains, or wait for a dry day?
A.All weed killers are a little different, but most sprays are best applied on hot, dry days. Because it’s difficult topredict the weather，您可以在下雨之前无意中施用除草剂。对于大多数杂草杀手而言，雨水不会在30分钟至几个小时之间洗净杂草上的化学物质。阅读说明以获取更多具体信息。
Q. Are weed killer products safe?
A.As long as you follow the instructions, you can use these chemicals safely. You should avoid prolonged exposure to skin for most of these products. Don’t let the chemicals splash into your eyes. And don’t ingest the chemicals. As long as you follow the instructions, kids and pets typically can play in the area a few hours after application.
问：杂草杀手会阻止将来杂草生长吗？
A.一些除草剂产品消除了现在正在生长的杂草，但以后不会避免更多的杂草弹出。一些产品旨在应用屏障，以阻止新的杂草开始。仔细阅读您正在考虑的任何除草剂的说明和推荐用途，以找出它如何在未来的杂草生长上起作用。
