Seeding Rate and First-Year Stand Relationships for Six Native Grasses1

treatment. These rates agree with those reported by Ames ( 1966), but are higher than those reported by Fisher et al. (1959). However, the cost stated by Fisher did not include labor at $2.00 per man hour. Based on the number of trees killed, basal spray is an economical method to kill small and medium size trees (Table 4). Costs ranged from 11 to 18 cents per dead tree, depending on the size and density of the mesquite. Stump application was more costly and less effective than the basal treatment. For trees greater than 5 inches in diameter, chaining was the most economical method. The cost for uprooting