Always using different methods every time is more of a motivational challenge than using the same ones. A manager should get to know their employees and figure out which employees like what and what kind of position the employee is in first off before a manager starts using methods on an employee.
Preparing the Soil. Soil is best prepared for planting onions by mixing in 1 1/2 inches of compost or by adding 10-20-10 fertilizer in a trench. Dig the trench 4 inches deep, add 1/2 cup of fertilizer for each 10 feet of row, cover with 2 inches of soil and plant your onion sets on top of that.ou can grow onions in U.S. Department of Agriculture plant hardiness zones 3 through 9. Onions are a cool-season crop. If you live in a Mediterranean climate, it's best to plant what are called short day bulbs in the fall. They will only harmed if temperatures drop below 20 degrees Fahrenheit.
For most plants, a 6-to 8-inch-deep planter box is sufficient. The depth may vary for some vegetables, however. Turnips, cucumbers, broccoli, beets, lettuce and green onions can all grow well in a planter box at that depth, but other vegetables, like cabbage, need a deeper depth of at least 10 inches.Vegetables like tomatoes, carrots and peppers require a deeper container of at least 12 inches.To make sure any vegetable root balls have adequate growing space, leave 2 inches of space on the roots' sides and 6 inches on the bottom.arge bulbs require a planting depth of 8 inches, which means the planter box should allow for the 6 inches needed at the bottom, as discussed earlier, making the depth at least 14 inches.