Abstract
This experiment was conducted in the field of agricultural research through the College of Agriculture and Forestry University of Mosul through the spring growing season in 2010 . This experiment included two factor , algerin by tree levels viz, zero, 1.5, 3 cm 3 / liter and mulching viz no mulch, transparent polyethylene and black polyethylene. The results showed superiority especially below the level of spraying 3 cm 3 / liter in some the qualities of vegetable and yield adjectives, and excelled treatment coverage of the polyethylene transparent and black moral and most of the vegetable and yield qualities when compared with agriculture without cover the soil factors and showed interaction between the black polyethylene and the level of spraying 3 cm3 / liter for all traits and was significantly compared with agriculture without soil cover and without fertilization.
