Ross Evergreen Tree Fertilizer Spikes, 10-10-10

Xtremehorticulture of the Desert: Bottle Tree Dropping Leaves Could Mean Trouble

Buy TreeHelp Complete Palm Fertilizer Spikes, Case of 10 Online in USA, TreeHelp Complete Palm Fertilizer Spikes, Case of 10 Price

Lawn Care Fertilizers - Runnings

Plant, Tree & Garden Fertilizers - Power Townsend Company

Ross root feeder system stops pollution from fertilizer run-off and costly waste of water from evaporation; ideal for watering during droughts

Ross Evergreen Shrub and Tree Fertilizer Refills for Ross Root Feeder, 10-20-20 For All Evergreens and Acid Loving Plants, 54 Refills

Outdoors

Plant, Tree & Garden Fertilizers - People's Lumber & Hardware

ROSS® Fertilizer Stakes 16-10-9

Plant, Tree & Garden Fertilizers - People's Lumber & Hardware

December 2001 - Washington State Department of Agriculture

How to grow a green tree - Quora