Insecticides for pest control are applied to soil and crops in the form of granules, dust, or liquid sprays. A variety of mechanical spraying and dusting equipment is used to spread chemicals on crops and fields; the machinery may be self-powered, or drawn and powered by a tractor. In areas where large crops of vegetables and grain are grown, aircraft are sometimes used to dust or spray pesticides.
Основной идеей текста является …
To spread chemicals on crops and fields we use granules, dust, or liquid sprays.
To spread chemicals on crops and fields we use large crops of vegetables and grain.
To spread chemicals on crops and fields we use insecticides for pest control and pesticides.
To spread chemicals on crops and fields we use a variety of mechanical spraying and dusting equipment.