04-23-1997 Additions - Laserfiche WebLink

Home Browse Search

TABLE 3. DESCRIPTIONS OF TYPES OF PRUNING TYPES OF PRUNING WHEN TO PRUNE DESCRIPTION Disease Removal After Diagnosis Removal of fungal bacterial growths. Sterilize pruners between cuts. Deadwood Removal See Table 1 Removal of dead branches, normally from the interior portion of the crown. Training See Table 1 Maintaining the central leaders and acceptable symmetry in evergreen, shade and ornamental trees. Removal of suckers and water sprouts. Corrective See Table 1 Removal of storm - damaged, vehicle- damaged or vandalized limbs. Renewal See Table 1 Removing all top growth at or near the ground line and remulch. Or removal of 1/3 of the oldest stems at the ground line. TABLE 4. WEED CONTROL METHODS - INTEGRATED APPROACH METHOD CATEGORY TREES SHRUB BEDS TURF Replanting - Filling Voids Every 3 Years X X Fertilization X X X Remulch* X X X Herbicides X X X Weed Whip No X * Wood chip mulch should be replenished around shade trees and low growing shrubs every 3 -5 years. Place mulch to a 4" depth. Mulching will help control weeds, reduce mower damage and conserve moisture. TABLE 5. FERTILIZATION SCHEDULE CATEGORY FREQUENCY TIME OF APPLICATION ANALYSIS RATE Mowed Turf Every 3 Years April or October 12 -12 -12 300 Ibs /acre Shrub Beds* Every 3 Years October or April 12 -12 -12 25 Ibs /1000 sq. ft. Shade Trees* Every 3 Years October or April 12 -12 -12 10 Ibs /1000 sq. ft. Note: Do not fertilize trees and turf during the same season. Offset tree fertilization by one season in order to prevent fertilizer burn on turf. * Plants that fix nitrogen, like silver buffaloberry, caragana, honeylocust, Russian olive or other legumes, should not be fertilized except under special conditions. Tall shrubs do not need to be fertilized if leaf color remains normal. Page 62