1.   He added, however, that in some cases, more nitrogen fertilizer was required.

2.   Ammonium nitrate and cottonseed meal are two nitrogen fertilizers.

3.   Apply a primarily nitrogen soluble fertilizer twice a month during the growing season.

4.   A light application of cottonseed meal, a slow-release organic nitrogen fertilizer, is helpful in mid-April.

5.   But those gains were offset in large degree by depressed results in its largest business segment, nitrogen fertilizer.

6.   Garlic is a relatively heavy feeder, and side dressing with a nitrogen fertilizer is beneficial.

7.   Go easy on nitrogen fertilizer, which will promote soft green growth, not flowers.

8.   Monthly applications of a nitrogen fertilizer begin the second year after planting.

9.   Natural gas is the key ingredient in the production of nitrogen fertilizer.

10.   Nitrogen fertilizers are concentrated sources of nitrogen.