Controlling Garden Pests
Controlling Garden Pests Three types of pests can plague gardens: weeds , insects, and diseases. A weed is any plant that grows where the gardener does not want it. Weeds are undesirable because they compete with garden plants for light, water, and nutrients. Common methods for controlling weeds include pulling them up by hand; digging them out; and cutting them off using a hoe or mower. One way to slow the growth of weeds is to cover the soil with a layer of mulch, which blocks out the light and air that weeds need to grow. Weeds also can be controlled by treating them with a weed killer, or herbicide. Like fertilizers, weed killers can be organic or synthetic (see See also Weed Control ). Insects damage plants by chewing leaves or other plant parts by sucking the liquid from the plant, or in some cases, by transmitting viruses. Another method for preventing insect damage is to cover young plants with a floating row cover, which is a very thin, white, gauzy blanket that keeps many ins