Range Seeding-And Brush Management on Arizona Rangelands

w.o~~ Range Seeding-and Brush Management on Arizona Rangelands

Gilbert L. Jordan

Cooperative xtension Service Agdcultunl Experiment Station The University of Arizona College of Agriculture T81121 Range Seeding and Brush Management on Arizona Rangelands

Gilbert L. Jordan

Cooperative Extension Service Agricultwal Experiment Station The Univetsity of Arizona College of Agriculture T81121 Table of Contents Iii Foreward and Acknowledaementl · 1 lntroducdon 3 Ranae Sites, Condldon and Trend 7 Proper Ranae Uae 7 Grazing Management Unit 8 Degree of Grazing Uae 9 Major Land Resource Areas and Environmental Zones 10 MLRA D30, Sonoran Basin and Range 10 EZ 30-1, Lower Sonoran Desert Shrub 12 EZ 30-2, Mohave Desert Shrub 13 EZ 30-3, Grand Canyon Desert Shrub 14 MLRA D3S, Colorado and Green River Plateaus 16 EZ 35-1, Colorado Plateau Mixed Grass Plains 17 EZ 35-2, Colorado Plateau Cold Desert Shrub 17 EZ 35-3, Colorado Plateau Sagebrush.Grassland 18 EZ 354, Colorado Plateau Cold Desert Grassland MLRA D36, New Mexico and Arizona Plateaus and Mesas 19 20 EZ 36-1, New Mexico Woodland.Grassland t 20 MLRA D39, Arizona and New Mexico Mountains g 20 EZ 39-1, Mogollon Plateau Coniferous Forest 24 EZ 39-2, Mogollon Plateau Woodland.Grassland 25 EZ 39-3, Mogollon Mixed Woodland.Grassland 25 EZ 394, Arizona Interior Chaparral.Grassland 25 MLRA D40, Central Arizona Basin and Range 26 EZ 40-1 , Upper Sonoran Desert Shrub ~8 - ~-2 Phoenix Desert Shrub - 28 EZ 40-3, Central Arizona Desert Grassland Shrub MLRA D41, Southwestern Arizona Basin and Range 29 31 EZ 41-1, Mexican Oak-Pine Woodland and Oak Savannah 32 EZ 41-2, Chihuahuan Desert Shrub 33 EZ 41.J, Chihuahuan Semi desert Grassland 35 B1111h Management 36 B1111h Treatment Methods 36 Biological Treatments 37 Mechanical Treatments. 45 Prescribed Burning 48 Herbicidal Treatment Regulations and Precautions for Handling and Applying Herbicides 49 Safe Handling of Herbicides so 51 Storage of Herbicides Disposal of Herbicides and Containers 51 53 Range Seeding 53 Range Principles Seeding 58 Seedbed Pnparation 58 Bulldozing 58 Chaining vii Herbicides sa App Ripping sa Mulching S9 Pitting 59 Interseeding . 59 Prescribed Burrung 61 Root Plowing . 61 Plowing and Harrowing 61 Seeding Methods . 61 Broadcast Seeding. 62 Drilling 62 Seeder Calibration 62 63 Seeding Rates Fi Adapted Species 63 Alfalfa 64 Bromegrass, Smooth 64 Buffelgrass 64 Canarygrass, Reed 64 Dropseed, Sand 66 Fescue, Tall 66- Gramagrass, Black 66 Gramagrass, Blue 66 Gramagrass, Sideoats 66 Lovegrass, Boer 67 Lovegrass, "Cochise" 67 Lovegrass, Lehmann 67 Lovegrass, Weeping 68 Lovegrass, Wilman 68 Muhly, Spike 69 Orchardgrass 69 Panicgrass, Blue 69 Ricegrass, Indian 69 Ryegrass, Perennial 70 Sacaton, Alkali 70 Sweetclover, Yellow Timothy 70 Wheatgrass, Crested 70 Wheatgrass,Intennediate 71 Wheatgrass, Pubescent 71 Wheatgrass, Siberian 71 Wheatgrass, Tall 71 Wheatgrass, Western 72 Wildrye, RUSSian 72 72 qct~lf!t:ioia ~enta 73 • 8 reabnent of Selected Shrubs and 73 77