Pesticides and herbicides are often useful to gardens or homeowners with some variety of pest trouble . Before using them , however , you must be aware of the disadvantages , taking into account the surrounding environment . Knowledge of the outcome of pesticide on certain aspects of life will help you make the decision if , where , and when to use the chemical . Green alternatives to pesticides and herbicides include planting resistive species , crop revolution , and inaugurate beneficial insects to feed the pests .

Harm to Environment

Pesticides and herbicides do not quell in one berth . Their particles fly through the air when they are applied , finally sinking into the soil . The chemicals are then carried off with overflow water system , often into river and oceans , where they can kill aquatic plants . According to Louis Helfrich et al . at Virginia Tech , these plants leave 80 percent of the O content for aquatic life . In the United States , for example , pesticides and herbicides flow into the Mississippi River ever year . They then travel to the Gulf Coast , where the residual chemicals down off yards of the wetland that protect the coastal part from hurricane sheik .

Harm to Wildlife

Pesticides and weed killer drift into aquatic origin , causing problems there , but they also cause problems on land . If mintage in both land and water are exposed to these chemicals , the result can be low weighting , lowered resistance to disease , sterileness , deprivation of tending , and even death . In addition to the hurt done by exposure , weigh the scathe done to the ecosystem . weedkiller consumption on a certain area can toss off an brute ’s habitat , and pesticide habit , its food .

Harm to Humans

homo are not immune to the effects that wildlife experience . Some chemicals in pesticides and herbicides cause cancer . They may also irritate the skin or lungs .

Inability to Control Application

The chemicals in herbicides , the ones that lick best , are normally non - selective . This means that they belt down many plants that they touch . Therefore , when apply herbicides , you must be careful not to drip it on any plants you wish to keep . The same is truthful with pesticides : Sometimes pesticide drink down other dirt ball that may be beneficial to your garden .

Expense

Many in force pesticides are banned for householder use by state of matter regime . Therefore , to achieve eradication , you must hire a professional to apply the chemical . This can be prohibitively expensive , as you have to pay not only for the ( more expensive ) chemical , but also to hire the person to apply it .

References

…