ICE Canadian canola futures fell on Friday for a second straight session, pressured by a drop in rival vegetable oils, soyaoil and palm. March canola dipped $3.60 at $517.70 per tonne. Most-active May canola lost $3.80 to $525 per tonne, and the contract posted a 2 percent weekly loss. March-May canola spread traded 5,110 times. Chicago Board of Trade March soybeans fell on technical selling and South America's harvest prospects. The May soybean oil ended down nearly 2 percent. NYSE Liffe May rapeseed and April Malaysian palm oil dropped.