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About Kenneth Joergensen
(Top Expert on this page)

Expertise
I can answer all questions related to fertilizer including an explanation of their use, the different types of fertilizers, the difference between organic and synthetic fertilizers, when to use one fertilizer compared to another. Extensive knowledge of types and selection of fertilizers for bedding plants and indoor growing, best type of lawn fertilizer to use depending on your soil pH, temperature and goals, when to use ammonium, nitrate and urea fertilizers, etc. Advantages and disadvantages of using liquid vs pelleted fertilizers, slow release vs quick release fertilizers, etc

Experience
Have worked with fertilizers for bedding plant production and lawn maintenance.

Publications
I am an expert adviser on the allexpert lawn and bulb forums, also.

   

You are here:  Experts > Home/Garden > Roses > Fertilizer

SubjectDate AskedExpert

slow release fertilizers2/17/2006Kenneth Joergensen
  Q: What are the advantage and disadvantages of slow release fertilizers? Thanks, Jim
  A: Advantages of slow release fertilizer is that the nutrients are available gradually over an extended ...
Selecting Fertilizers2/8/2006Kenneth Joergensen
  Q: When purchasing fertizer, recently, I intended to buy 6-6-6. The store had 6-6-6, 8-8-8 and 10-10-10 ...
  A: Generally there is no reason not to go with 10-10-10. As you probably have figured out, the ...
kind of fertilizer1/29/2006Kenneth Joergensen
  Q: I almost hate to ask this question,but here goes. My husband has been throwing dog "manure" on the ...
  A: If you use feces from gracing animals (cow, sheep, horse, lama) it can be used as excellent ...
fertilizer1/28/2006Kenneth Joergensen
  Q: Can you please tell me a little about fertilizers and what they have in them. Can you please write ...
  A: Fertilizers contains nutrients which the plants uses to build issue and produce their own food (note ...
Fertilizers1/26/2006Kenneth Joergensen
  Q: What aere the disadvantages of using fertilizers
  A: If used improperly they can damage the plants and worst case the soil in which the plants are grown. ...
slow release fert1/22/2006Kenneth Joergensen
  Q: I was wondering if I can use my slow-release fertilizer from last spring when I plant this spring? ...
  A: Fertilizer can be used for many years without risk of expiry provided it has been stored dry. I ...
Lawn fertilizer1/17/2006Kenneth Joergensen
  Q: I purchased a home a year ago and the lawn area is approximately 1 acre. I went through the four ...
  A: The best time to fertilize depends on where you are located and the type of grass you are growing. ...
amonium nitrate in veggie garden1/16/2006Kenneth Joergensen
  Q: Am in SE Tennessee. I've been veggie gardening in raised beds for over two years. Have rich compost ...
  A: Ammonium nitrate is dissolved immediately and tends to leach with rain so wait until you do your ...
Fertilizer9/16/2005Kenneth Joergensen
  Q: I just recently bought a blooming fertilizer from my local Home Depot store...it's called ...
  A: It should be fine to use on those plants every 6-8 weeks. Please check the 3 numbers which are ...
advantages and disadvantages of using fertilizers8/26/2005Kenneth Joergensen
  Q: what are the advantages and disadvantages of using fertilizers?
  A: When planted in the ground, the roots of a plant will take up water and in the water you will also ...
Fertilizing my lawn7/17/2005Kenneth Joergensen
  Q: .Over the last 3 years you have helped me with my lawn which you may recall we had hydro-seeded with ...
  A: The fertilizer brand is just fine. Continue to apply it primarily in fall (and in spring if you ...
Roses7/1/2005rick hern
  Q: I have a new bed that I wish to grow roses in, what would be best to put in the soil to make it ...
  A: pretty much, the best additive for any soil is composted organic matter. you can buy it or make it ...
Fruit Trees6/21/2005Kenneth Joergensen
  Q: It's getting hot now in Arizona (Casa Grande - between Phoenix and Tucson) and our spring planted ...
  A: Fertilize your trees on a regular schedule - not only in response to nutrient defieciencies. ...
Fertilizing Ginkos.6/15/2005Kenneth Joergensen
  Q: I have a Ginko in Southern California, not too far inland from the coast (which may be pushing their ...
  A: Yes you can give them same fertilizer (fertilizer is not plant specific to the point where it is ...
Fertalizer & animals6/9/2005Kenneth Joergensen
  Q: Im having a real problem with the animals (Raccoons--I think) digging up plants that I have just ...
  A: Regular grannular fertilizer usually do not contain anything which attracts animals. Had you used ...
unusual plant growth6/9/2005Kenneth Joergensen
  Q: I'm concerned about soil conditions in one of my beds. I planted some Spireas and day lilies last ...
  A: It sounds like too little nitrogen. Buy a 10-10-10 all purpose fertilizer and apply according to ...
synthetic fertilizers6/2/2005Kenneth Joergensen
  Q: what are the disadvantages of using synthetic fertilizers?
  A: There are no disadvantages using synthetic fertilizers. Synthetic fertilizers contain the nutrients ...
tall fescue5/29/2005Kenneth Joergensen
  Q: i recently spreaded grass seeds throughout my lawn. i live in newport news, va an according to the ...
  A: Tall fescue is fine for the Norfolk area. The easiest and best way to fertilize a lawn in your ...
Iron in plants5/22/2005Kenneth Joergensen
  Q: I am doing a biology experiment on the effect of iron in plants. i was wondering if you had any ...
  A: Follow up .. see at bottom ==== Iron is an important element for plant growth. Plants require 16 ...
onions5/16/2005Kenneth Joergensen
  Q: I have had moderate success with Spanish & Red onions,using 20-20-20 granular, should I be using a ...
  A: 20-20-20 is not bad, but for oninons I would actually recommend 5-10-10, or 10-20-20 if you can find ...
different fertilizers!5/11/2005Kenneth Joergensen
  Q: So if I used the materials I listed, would their be some kind of deformity in the tomato growth?I'm ...
  A: The materials listed are not fertilizers. It is not possible to say if the use of same would lead to ...
different fertilizers!5/3/2005Kenneth Joergensen
  Q: I'm working on my science project, and I decided to do one on how different types of home *salt, ...
  A: You will have to try and note the results. Just a few notes to start you off: plants live by ...
tips on how to calculate fertilizer rates4/28/2005Kenneth Joergensen
  Q: I have never been able to understand the spreading instructions on fertilizer containers. I have ...
  A: Great idea. You can also just layer a 2-3" layer of compost, speatmoss sphagnum and bone meal and ...
tips on how to calculate fertilizer rates4/28/2005Kenneth Joergensen
  Q: I have never been able to understand the spreading instructions on fertilizer containers. I have ...
  A: Fertilizer can usually be added to the soil surface, or scratched in below the mulch and water will ...
horse manure4/28/2005Kenneth Joergensen
  Q: can you tell me if it is ok to use year old horse manure in my garden without problems? Thank you, ...
  A: Yes provided it is used sparingly. Weed seeds in the manure has been a problem, and so has the high ...
fertilizers?4/28/2005Kenneth Joergensen
  Q: Could you please tell me the advantages and disadvantages for using organic and inorganic ...
  A: I dont recommend organic nitrogen, especially manure which is typically used in orchards, because ...
Fertilizers4/25/2005Kenneth Joergensen
  Q: What are the different types of fertilisers? What examples are there of organic and inorganic? ...
  A: Organic fertilizers examples: bone meal, blood meal, manure, alfalfa, cracked corn, activated sewage ...
Fertilizers4/25/2005Kenneth Joergensen
  Q: What are the different types of fertilisers? What examples are there? and What are the ...
  A: To answer your question properly, can you give me some more information. When you say "what are the ...
over fertilizing??4/22/2005Kenneth Joergensen
  Q: I recently read online that the perfect soil combination is 1/3 part Peat Moss,1/3 part compost, and ...
  A: The combination you describe would provide for a very good container planting mix. It is very nice ...
tomatoe plants and fertilizer4/19/2005Kenneth Joergensen
  Q: I'm doing a science project on tomatoe plants. My topic is will a tomato plant grow better using cow ...
  A: If using cow manure, try to buy aged or composted cow manure. If using fresh cow manure you burn the ...
fertilizer for Roses4/19/2005Kenneth Joergensen
  Q: We are located in Canada on the south shore of lake Ontario. In Canada we are a zone 5-6. I am not ...
  A: Apply first application of fertilizer in late spring as the roses leaf out (or when planting in ...
fertilizer for Roses4/19/2005Kenneth Joergensen
  Q: I work in a large park in my city and we are presently rebuilding our Rose Garden. Can you recomend ...
  A: It is a bit difficult to give a precise recommendation when I do not know your location, and ...
burnt lawn4/16/2005Kenneth Joergensen
  Q: I burnt a spot of lawn with to much fertilizer and I like to know how to repair it? This is ...
  A: Mix in some potting soil (w/o fertilizer) in the top 6-8 inches of soil. Then water very well. You ...
mulch4/15/2005Kenneth Joergensen
  Q: My 8 yo and I are arguing about mulch. I was always told it was made from manure and she says that ...
  A: I am with your daughter on this one. Mulch is a layering of typically coarse matter put on top of ...
Apple Trees4/6/2005Kenneth Joergensen
  Q: He Kenneth, I do have a follow up regarding the 15-30-15 which I used already a few weeks ago. You ...
  A: It does not have to be due to fertilizer. it can also be due to too dry soil, soil with too high ...
Apple Trees4/6/2005Kenneth Joergensen
  Q: I need to know what type of fertilizer to use on apple trees. I have 3 different types. I don't ...
  A: A regular balanced all purpose fertilizer such as 10-10-10 is best. Alternatively, try to find a ...
rose/azelia3/20/2005Kenneth Joergensen
  Q: I have a rose bush in the same bed as 4 azelias. Can I use the same fertilizer for all? The rose is ...
  A: Yes you can, but the fertilizer amounts vary from the two plants. Azaleas do best with a single ...
Clay Soil ?3/5/2005Kenneth Joergensen
  Q: I'm very new to gardening. The soil around my property is rocky, the "top soil", which is approx. to ...
  A: The lawn/garden area sounds incredibly small for one which has several fruit trees growing. 10-12 sq ...
Magnesium for orange trees2/28/2005Kenneth Joergensen
  Q: The older leaves on my orange trees are yellow and the branches on the middle top of the trees are ...
  A: The instructions on the lable always tend to be on the high side. Several lighter application are ...
Magnesium for orange trees2/27/2005Kenneth Joergensen
  Q: The older leaves on my orange trees are yellow and the branches on the middle top of the trees are ...
  A: Before assuming magnesium deficiency, check if the plant has developed a severe mite infestation ...

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