Services

SERVICES PROVIDED BY FERTILE EARTH LAND CARE,  DON COX AND ASSOCIATES 

Independent arborist consultants, tree health care specialists.

Trees, landscape plantings, home orchards and gardens -

Tree and Landscape Maintenance Consulting

  • Assessment and recommendations for trees, shrubs, lawns, home orchards and gardens
  • Tree health and structural assessment
  • Certified arborist services, inspections, reports and specifications 

Plant Health Care – Integrated Pest Management Provider

  • Transitioning to Organic Tree and Land Care
  • Diagnosis and treatment of plant problems
  • Pest and disease management with organic and bio-rational methods and materials
  • Soil fertility improvements, compost, humic substances, microbial inoculants, mulch
  • Soil testing and application of prescription mineral and biological amendments

Don is located in Thailand at this time, doing remote email based consulting and advisory.  Associates in California do 'boots on the ground' inspections and tree care services.  

Please send questions, description of problems and growing condtions, and photos to drtreelove@gmail.com    $60  requested fee for observations and recommendations.

ASSESSMENT QUESTIONS and PHOTOS

Please review and answer as best you can, the questions that apply to your tree problem, and/or questions that you have for best management practices.

  1. Do you have any specific information on the history and possible causes of the tree  problems? What kind of trees are affected? How many? How old are the trees, if you know? All the same kind or various species on the same property?  Have any trees died
  2. Have neighbors, nearby properties had similar tree problems?
  3. What was the time frame of the onset of the problems? Sudden occurrence, all during one season, or longer period of decline over two or more years
  4. What signs first appeared of tree stress and die-back, and where? What part of the tree was affected? Top first then slow progressive decline, or more rapid decline of entire tree, or sections of tree declining and then followed by other sections?
  5. Were there any signs of pests or disease observed during the period of decline and mortality? Chewed or missing plant parts, bleeding trunk cankers, discoloration or die-back?
  6. Was any treatment provided by anyone, at any stage?
  7. Have there been any significant changes, site work, paving, construction, utilities trenching, gas or sewer leaks and repairs in the vicinity of the affected trees recently or during the last few years?
  8. Irrigation frequency and amount, how much, how often, and source of water if you know, well water, municipal water or recycled water. Who adjusts the irrigation  controller for daily or seasonal weather changes?
  9. Fertilization program, what materials are applied in what amounts with what application schedule, quarterly, annually?  Has soil testing and prescription amendments been utilized, or general chemical or organic fertilizer applications?  Or nothing?
  10. IPM monitoring for pest and disease issues: who inspects and recommends treatments, and what chemical treatments or bio-pesticide treatments have been provided?

Send Photos:  Close ups of the problem areas are important, but also step back and  paint a complete picture of the site, the tree, and the problem. 5 or 6 photos maximum for most situations.

  1. Entire tree and site. With the top of the foliar crown from two directions if possible.
  2. Medium distance and closeup view of tree trunk and branch structure.
  3. Close up of leaf and twig view for tree ID and other determinations
  4. Close up view of the affected problem area.

All these pics need to be in good focus and at a medium to high resolution for zooming in for a closer view if needed. Sending photos by E-mail attachment is preferred.