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because they wont get killed by weeds i think lol
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∙ 11y ago
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What Jobs use selective breeding and cloning?
Farmers use selective breeding all the time.
What herbicide kills milkweed?
Round Up kills milkweed. The farmers use herbicides and that is one of the reasons that the Monarch butterfly is in danger.
What process would farmers use to produce vegetables that will grow in a specific climate?
Selective breeding
Which manures the farmers prefer to use chemical fertilizer or farm manure?
both
What is advantage of cultivation?
Cultivation allows farmers to use fewer herbicides. Cultivation will often allow the soil to warm more quickly as well, leading to earlier crops.
Why do organic farmers not use herbicides?
That chemicals, genetic modification and synthetics are disallowed is the reason why organic farmers do not use herbicides. The equivalent controls in organic farming receive the label botanicals if the treatments come from plants, such as pyrethrin from Chrysanthemum cinerariifolium. Much of the plant pest control in organic farming will be achieved by eliminating the stresses that encourage pathogens and pests through respect for plant-specific air, heat, light, moisture and nutrient needs.
How To Choose the Right Herbicide?
Herbicides, also known as weedkillers, are products designed to eliminate undesired plants. Herbicides are frequently used in both personal and commercial endeavors to allow a specific plant or plants to grow without competition. The four main types of herbicides include selective, non-selective, pre-emergent and post-emergent. Some herbicides may combine different types. A selective herbicide is designed to eliminate a particular kind of plant, such as dandelions, while leaving all other plant life healthy. These herbicides target differences in the biological makeup of plants in order to spare wanted plants. It is usually reasonably safe for wide usage. Non-selective herbicides indiscriminately remove all plant life. These tend to be used in areas where no vegetation is desired, such as between sidewalk blocks. The aggressive nature of non-selective herbicides mean they should be applied with reasonable caution. Non-selective herbicides should not be used near decorative plants or crops as they may linger in the soil for a period of time after use. Pre-emergent herbicides are designed to prevent new weeds from growing. Pre-emergent herbicides should be applied before the targeted plant germinates, but not so far ahead that the weather can wash the herbicide away. Pre-emergent herbicide can provide a lengthy amount of weed control. Lawns with pre-emergent pesticide applied should not be aerated, as that allows weeds a location to grow safely. Post-emergent herbicides are deployed after the intended plant target has germinated. It can be spread over a wide area. However, as it is designed to work after weeds have taken root, post-emergent herbicide is less effective than other types of herbicides. Post-emergent herbicide may not be able to eliminate as many weeds as pre-emergent. It works best as a backup to the other types of herbicides, or for gardeners who fail to notice weeds early. By choosing the correct herbicide for the desired growing environment, overuse of potentially harmful chemicals can be avoided. Herbicides should be deployed in moderation, and warning labels should always be read. Children should be kept away while herbicide is being used. Failure to heed warnings can result in undesired results or potentially harmful effects to the environment, the gardener, or family.
How herbicide causes soil pollution?
Herbicides, also commonly known as weedkillers, are pesticides used to kill unwanted plants.[1] Selective herbicides kill specific targets while leaving the desired crop relatively unharmed. Some of these act by interfering with the growth of the weed and are often synthetic "imitations" of plant hormones. Herbicides used to clear waste ground, industrial sites, railways and railway embankments are non-selective and kill all plant material with which they come into contact. Smaller quantities are used in forestry, pasture systems, and management of areas set aside as wildlife habitat.Some plants produce natural herbicides, such as the genus Juglans (walnuts), or the tree of heaven; such action of natural herbicides, and other related chemical interactions, is called allelopathy.Herbicides are widely used in agriculture and in landscape turf management. In the U.S., they account for about 70% of all agricultural pesticide use.[1]
Can you use fertilizer and herbicides in a cemetery in Edmonton Alberta Canada?
NO
Should pesticides and herbicides be used on organically grown crops?
Only those compounds which have been specifically approved for organic use.(By the way, herbicides are pesticides.)
How do you use Selective pressure in a sentence?
Selective pressure is evolutionary pressure.The animals evolved due to selective pressure.Selective pressure caused the color to darken.
What do farmers use to kill weeds?
They can use a selection of herbicides that suppress the weeds. Herbicides are a group of pesticides for killing weeds, "burning back" top growth (defoliant), and preventing weeds from germinating. They can also mechanically remove them by hoeing or cultivation.
