... spray herbicide,insecticide, liqid fertilizer for corn, wheat, soybean and etc Farm tractor liquid sprayer Features of the sprayer The ... ,mainly applied to spray herbicide ,insecticide ,liqid fertilizer for corn ,wheat ,soybean,aslo used to clean and sterilize farm ... ,convenient operation & maintenance ,and quick hitch with tractor ,liquid pump is diaphragm pump with high pressure and stable flow ...