As depletion of the easily recoverable oil reserves in western Canada accelerates, the volumes of waste generated during heavy oil production and processing are steadily increasing. The 600 million litres of heavy oil ...

Field experiments were conducted with canola (Brassica napus and B. rapa, cv. Quantum and Tobin), mustard (cv. AC Vulcan) and flax (cv. Norlin) in 1998 and 1999 at Melfort, Saskatchewan, Canada, to determine biomass and ...

The effect of manure and urea on P availability to canola was investigated under controlled environment condition. Canola (B. napus) was grown in pots with manure and urea added to two Saskatchewan soils (sandy loam and ...

The long-term impact of repeated applications of high rates of liquid hog manure on the quality of the soil and that of the environment is not well known. For optimal application rates of hog manure, improved knowledge is ...

In recent years, conventional mechanical fallow has been partly replaced by herbicide-fallow on the prairies. With the chemical system of weed control, the straw is not mixed with the soil until seeding the following spring; ...