ANSI A300 Part 2-2011 树木护理作业.树木、灌木和其它木类植物的养护.标准操作规程(土壤管理a.修枝, b.施肥,以及c.排水引流)
for Tree Care Operations - Tree, Shrub, and Other Woody Plant Management - Standard Practices (Soil Management a. Modification, b. Fertilization, and c. Drainage)
A300 (Part 2) Soil Management standards are performance standards for management of soil including soil modification, fertilization, and moisture management (drainage) for trees, shrubs, and other woody plants. It is a guide in the drafting of work project specifications for consumers as well as federal, state, municipal, and private authorities including property owners, property managers, and utilities.