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If so then apply the percent phosphorus recommended by the plant supplier.) 8 percent Potassium. The fertilizer shall contain trace elements in the amounts recommended by the plant supplier. B. All of the nitrogen shall be derived from organic materials. Fertilize the plants as n ecessary to ensure proper growth dunng the warranty period. A minimum of two fertilizer applications shall be applied to the upland plants. Fertilize so that runoff of fertilizer -laden water into the lakes or wetlands does not occur. 2.2 PLANT MATERIAL A. Native vegetation shall be supplied by a Florida nursery specializing in the supply of native plants, with documented experience of at least three projects of similar size and complexity as descnbed herein. The supplier must certify in writing, that all plants provided were obtained legally and with proper permitting. B All nursery stock shall conform with Grades and Standards for Nursery Plants Parts I and II, latest edition, published by the Florida Department of Agriculture and Consumer Services. All plantings shall be Florida #1 specimens or better as determined by the Florida Division of Plant Industry. Supply native vegetation in proper containers and at the size indicated on the Drawings. C. All vegetation shall be sound, healthy, well -branched, and free of disease, insect eggs, larvae, nematodes, weeds, and exotic or invasive vegetation. All plants shall have adequate root systems and shall not be root -bound. D . Measurements: The height and/or width of trees (if approved) shall be measured from the ground or across the normal spread of branches with the plants in their n ormal positions. Immediate terminal growth shall not be included in the measurements. Plants larger in size than specified may be used if approved by the OWNER If the use of larger plants is approved, the required ball of earth or spread of roots shall be increased in proportion to the size of the plant. E Inspection: The OWNER may inspect plants at the place of planting for quality, size, and variety. Such approval shall not impair the right of inspection and rejection at the site during progress of the Work or after completion, for size and conditions of balls or roots latent defects, injuries, etc. Remove rejected plants immediately from the project site and replace with new material within two days. F. Coordinate with County personnel before planting any plant groups. OWNER will meet in the field with CONTRACTOR before each group is planted to offer layout suggestions and convey the design intent. Last revised 11-18-2013 02240-2 OSPREY MARSH F \Public Works\KeithM\Stormwater Projects\PC South Construction Mork Orders\GK EnvtronmentalWmendment 1\Exhibit 1 Scope of Services - 12-17-2013.doc 63