Farmers do to protect his plants from pest 3 methods. First example, farmer has been
used yellow and blue glued papers to attract insects.They do not need pesticide.
Second,They used pink plastics to protect insects.People can see pink colour but insects can see
it in black colour.Insects do not come into the tent.Also they used special tent to prevent UV,
If insects come into the tent both males and females are lost. So it providing reproductive
decline. Last example,farmer using black plastics to protect grass and weed because it results in
not enough light for grass and weed