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  1. We want to put down sod but the soil here in Colorado is mostly clay. Should we wait until we add amendments such as peat, bone meal, gypsum and steer? Published: October 21, 2009
  2. What is the best way to amend soil that will be irrigated with well water? I live in Colorado and would like to do some gardening. Published: October 21, 2009
  3. What causes the white, powdery substance in my backyard soil each spring? Published: October 20, 2009
  4. I can’t get any flowers to grow under my white pines. My neighbor told me it was because the soil under oaks and pines is acidic. What do I do? Published: August 26, 2009
  5. I just moved into a new subdivision and the yard soil is hard packed clay. The salesman at the hardware store suggested I apply gypsum to break up the clay. Will that work? Published: August 26, 2009
  6. What are good soil amendments for Colorado soils? Published: October 09, 2008
  7. What are some recommendations to newcomers who are starting gardens in Colorado? Published: October 01, 2008
  8. What is a recommended method for improving clay soil under sod; would aeration and addition of gypsum be beneficial? I live in Colorado. Published: September 30, 2008
  9. Dandelions covered my lawn this spring, so I called a company to have them treated. Unfortunately, they accidentally sprayed my organic garden. They used a herbicide containing three chemicals: 2,4-D, MCPP, and dicamba. Can I plant anything edible in my garden this year? Published: May 15, 2008
  10. We have a garden plot with sandy soil and want to amend the soil to retain more moisture. A local racetrack will provide well-rotted manure if we haul it away. Can horse manure infect our vegetables with a disease that will make us sick if we eat them? How do we tell if the manure is well rotted, and what will it do to the vegetables if it is too fresh? Published: May 15, 2008
  11. Several years in a row, I have planted small evergreen trees (3 feet tall) within 5 feet of the street. Each summer I replace them because they die. Is it possible they don't thrive because of salt damage from the deicing products used on the adjacent road? I live in Minnesota. Published: May 15, 2008
  12. Can you provide me with a recommendation for a soilless mix for container plants? Published: April 22, 2008
  13. Why are the leaves on my blueberries turning yellow with green veins? Published: April 09, 2008
  14. What products can I use to lower the soil pH around my blueberries? Published: April 09, 2008
  15. What is soil pH, and why is it important? Published: April 09, 2008
  16. Is soil depth an important consideration affecting irrigation? Published: January 22, 2008
  17. We have had a vegetable garden in the same location for 20 years. We don't want to have the garden this year (for one year). What can we do with this space that will keep it from going to weeds and will also help the soil? Published: January 08, 2008
  18. I planted several varieties of seed into potting soil, then I heard that they will not sprout because of damping-off. Am I going to have to start all over with a nonsoil mix? I covered the containers with clear plastic wrap. When should I remove the wrap? When should I begin to turn over the soil in the garden - when it is dry 6 inches deep? Published: January 08, 2008
  19. How often should zoysiagrass lawns be aerated? Published: January 07, 2008
  20. How can I lower my soil pH (7.5) for lawn grass? Published: January 07, 2008
  21. The leaves on my azaleas, newly planted gardenias, and hollies are yellow with green veins. I fertilized, but it did not help much. Are they diseased? Published: January 07, 2008
  22. What are some tips for maintaining weed control without the use of chemicals? Published: January 07, 2008
  23. I am getting ready to renovate my lawn. How much lime will I need? Published: January 07, 2008
  24. What guidelines should I use when side-dressing my vegetables with manure? Published: January 07, 2008
  25. How much manure should be added to a vegetable garden? Published: January 07, 2008
  26. Are nutrients in organic matter immediately available to plants? Published: January 07, 2008
  27. Why should I take a soil sample? Published: December 19, 2007
  28. We hired a service to landscape our new home. They have laid the mulch down without an underlying lining. Will we be OK without the lining underneath the mulch? Published: December 17, 2007
  29. I like the look of shredded bark mulch around perennials, and there are several choices of wood available, such as cedar, cypress, and pine. Is any one of these better or worse as far as depleting nitrogen? What about decomposition? Published: December 17, 2007
  30. My soil test this spring recommended nitrogen for my vegetable garden. I planted a combination of vetch, austrian peas, annual rye, and clover among my tomatoes and peppers. I don't let them compete in height, but I'm wondering if I'm tying up nitrogen because my peppers are yellow and not doing well. Was that a smart thing to do while my garden is growing? Published: December 17, 2007

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