Agricultural control method for insect pests on lawn

The invention discloses an agricultural control method for insect pests on a lawn and belongs to the technical field of insect pest control on a lawn. The method comprises the following steps: nutrient supply is reduced, a color grade of grass on a lawn is reduced, in a moth generation peak period, the grass on the lawn is trimmed, and moths are prevented from laying eggs on the grass on the lawn; in an egg laying peak period, the grass on the lawn is trimmed again, such that eggs are moved out of the field and dehydrated to die; and when the soil humidity on a lawn bed reaches 90% or more, a grass pressing machine is used for rolling, such that residual larvae die by rolling or by suffocation. Agricultural measures are adopted to inhibit occurrence basic quantity of insect pests, the insects are controlled within an economic threshold value, an effective rate of inhibiting the insect pests such as lepidoptera, orthoptera and mollusks reaches 88%, and an effective rate of inhibiting homoptera insect pests rea