When fertilizer is banded, the bands should be placed below and to the side of the seed furrow. Sulfur fertil-sandy soils in northwestern Wisconsin and northern Minnesota which have not been manured in the past two years. Never band B near the seed. Nevertheless, an alkaline pH and slightly saline soils are tolerated. Mustard has a tolerance to soil salinity that is similar to barley.
Mustard responds to nitrogen and phosphate fertilizer in a manner similar to small grains.
Avoid using more than 10 pounds per acre actual N with the seed as germination injury can occur. Potash is rarely needed to increase mustard yields. E. Harvesting Mustard grown in Montana is approximately an 85-90 day crop, and is usually straight cut, not swathed. Wind, rain and normal drying generally does not cause mustard to shatter before cutting. But, the actual harvesting operations can cause severe shattering losses when the crop is overripe or extremely dry.