- Essential Elements
- Determining Goals and Objectives of Fertilization
- Soil Testing and Plant Analysis
- Fertilizer Selection
- Fertilizer Timing
- Fertilizer Application
- Fertilizer Application Area
- Fertilizer Rates
- Storage and Handling of Fertilizer
- Sample Fertilizer Contract for Commercial/Municipal Clients
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ISA has developed a series of Best Management Practices (BMPs) for the purpose of interpreting tree care standards and providing guidelines of practice for arborists, tree workers, and the people who employ their services.This BMP is for the selection and application of fertilizers for trees and shrubs. It also serves as a companion publication for the fertilization portion of the American National Standard for Tree Care Operations—Tree, Shrub and Other Woody Plant Management—Standard Practices (Soil Management a. Modification, b. Fertilization, and c. Drainage).Topics in this BMP include: -
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The 2012 revision of the ANSI Z133 Safety Standard provides the most current criteria in the United States for arborists and other workers engaged in arboricultural operations. The safety requirements in this standard address:
- General safety
- Electrical hazard
- Use of vehicles and mobile equipment
- Portable power hand tools
- Hand tools and ladders
- Work procedures
