LS and MS of man ploughing field with horse-drawn plough.(14 ft) MS PAN cherry tree with fruits and CS of cherries.(20ft) LSs and MSs PAN of field of young corn blowing in the breeze.(14 ft) LSs, MSs and CS of field of young corn being cultivated.(66 ft) MS PAN of field of ripe corn and TILT UP one stalk of ripe corn.(50 ft) MCSs of healthy weeds in corn field and dead weeds after spraying (18 ft). LSs, MSs, CSs of field heavily infested with mustard. (43 ft) LS of science service laboratory at University of Western Ontario. LS PAN from greenhouses to entrance of lab building.(61 ft) Exterior numerous shots from various angles of Dow Chemical plant at Sarnia, Ontario. Several shots from various angles of field crop (34 ft). MSs of sprinkler irrigation in field crop.(34 ft). MSs of orchard being sprayed by men on tractor-drawn chemical tank (29 ft).