@proceedings {52154,
	title = {Arid land seeder},
	year = {1978},
	month = {1978},
	pages = {12},
	abstract = {A newly designed grubbing blade developed for front mounting on a rubber tire tractor and patterned after the low-energy gruber{\textquoteright}s blade (crawler tractor) appears very promising for controlling junipers 2 to 5 feet tall. Preliminary data indicate only a slight reduction in acre-per-hour performance while total investment will be approximately one-half. Fuel consumption is 72 percent less than that of a crawler tractor. The farm tractor tested was a 60-horse-power, John Deere 2440 with automatic reverse, foot-controlled throttle, 146 front-end loader frame, and special high-ply, used airplane tires adapted for farm tractors. The rubber-tire grubber averaged 6.3, 1.3, and 0.6 (acres per hour in densities of 50, 250, and 500 trees per acre). Production rates were computed using the curvilinear regression prediction equation Log Y = 2.49  Log X (r = .97) when Y = production (ac/hr) and X = densities/ac. The unit appears well suited to controlling extensive acreages of small junipers infesting previously cleared areas.},
	keywords = {arid land seeder, creosotebush, effects on ecosystem},
	url = {/files/bibliography/167.pdf},
	author = {C.H. Herbel}
}
