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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

test ph in soil & type, amount how to fertizize8/8/2006Kenneth Joergensen
  Q: I started a grapefruit tree from a seed. the tree is approx 2 foot tall. what is the proper ...
  A: Fertilize with 10-10-10 in spring and summer. You may have to transplant into a larger pot next ...
Over Fertized Lawn8/7/2006Kenneth Joergensen
  Q: Kenneth: I recently applied Scott's Summerguard to my lawn. The setting for the spreader was set 4 ...
  A: Nick, You do not mention where you are located. If you are located in the northern half of USA where ...
Under Fertilizing8/3/2006Kenneth Joergensen
  Q: If I was afraid of over fertilizing so I did not use enough fertilizer. I am using Scott's Summer ...
  A: No, you should not add any more fertilizer. In summer, using a light application of fertilizer is ...
liquified organic fertilizers from cow manure8/1/2006Kenneth Joergensen
  Q: .. we have an investigatory project and i really need your help. can the plant really grow healthy ...
  A: Cow manure is organic fertilizer. Liquifying it simply means mixing it with water. The process will ...
Reducing need for fertilizer7/31/2006Kenneth Joergensen
  Q: Actually my soil is very much a clay soil. The did spread top soil when they put in the new lawn ...
  A: The reason I recommended aeration was to provide holes for the compost to fill into. If you are ...
change color7/31/2006Kenneth Joergensen
  Q: whatneeds to be done to the hydranger plant to change the color from white to blue someone said this ...
  A: There are different types of hydrangeas. The white types are typically arborescens or ...
Which fertilizer to use7/31/2006Kenneth Joergensen
  Q: I live in the high desert of Nevada. The soil here is basically sand and is alkaline. It is well ...
  A: Most trees should be fertilized but in most suburban locations trees do not need extra fertilizer as ...
Fertiliser for lawn an earth7/28/2006Kenneth Joergensen
  Q: I have a very large oak tree in my garden (175 years old) which saps the goodness from the lawn and ...
  A: The tree does not spa goodness for the lawn. The tree compete with nutrients, water and sunshine and ...
Should I use 10,10,107/28/2006Kenneth Joergensen
  Q: I'm a 'newbee' at this gardening but I love it! I rely on 'experts' but sometimes they don't agree! ...
  A: 10-10-10 is good to use. Basically this is fertilizer (food for new plants) and used to bring your ...
Burnt Grass7/27/2006Kenneth Joergensen
  Q: I had trouble with my grass, as I tried to fix some yellow spots by putting ferilizer. The next ...
  A: You do not mention where you are located, but if you are located in the north, then you should not ...
burnt lawn by fertilizer7/27/2006Kenneth Joergensen
  Q: Our spreader put the fertilizer on the new sod too heavy. It has been 4 days and we have a few ...
  A: Where are you located ? If the sod is Bermuda, St. Augustine, Zoysia, Bahia or other warm season ...
Urea7/26/2006Kenneth Joergensen
  Q: my gardener in india gave me some urea and some granules which he calls DIP granules and told me to ...
  A: Plants need to fertilizer with 3 key components in order to grow and flower: Nitrogen, Phosphorous ...
Reducing need for fertilizer7/26/2006Kenneth Joergensen
  Q: Home/yard is about two years old. Grass in backyard gets sun most of the day. It reacts to ...
  A: Try to core aerate in spring or fall (fall is preferred) and if possible spread thin (1/2 - 1") ...
Hydrangea colors7/23/2006Kenneth Joergensen
  Q: We live in Richmond Virginia. What type of fertiziler do you use to produce blue blooms? We have ...
  A: Some hydrangeas are naturally white and will not change color in response to soil pH. E.g. Hydrangea ...
Fertilizer7/23/2006Kenneth Joergensen
  Q: What is a 20-20-20 fertilizer?
  A: Fertilizer is materials which the plants take up through the roots and use to produce plant food ...
Organic lawn fertilizers7/19/2006Kenneth Joergensen
  Q: What organic fertilizers do you recommend for lawns?I have heard a lot of good information about ...
  A: You can buy pelleted manures such as Espoma Organic Lawn fertilizer (mainly cow manure), Ringer Lawn ...
Coffee grounds for fertilizer7/17/2006Kenneth Joergensen
  Q: I have heard a lot of good information about using coffee grounds for fertilizing plants, trees and ...
  A: Coffee grounds are rather weak as organic fertilizers and would require about 1 cubic yard per 1000 ...
Old Miracle Grow7/16/2006Kenneth Joergensen
  Q: I used some miracle grow left over from last summer on my plants and they died. Would letting it ...
  A: You can store fertilizer for a long time as powder or pellets as long as they are stored dry. I ...
Fertilizer is burning my lawn7/16/2006Kenneth Joergensen
  Q: I have put a synthetic 10-10-10 fertilzer on my lawn an I am seeing where it is burning..I water ...
  A: The only advice I can give is to water thoroughly for a while. The lawn should green back up when ...
Hydranger.7/14/2006Kenneth Joergensen
  Q: WE HAVE A HEALTHY HYDRANGER PLANT THAT IS NOW THREE YEARS OLD BUT HAS YET TO FLOWER. WHAT DOES ONE ...
  A: Some Hydrangeas (especially the mobheads with has blue or pink flower clusters) flower on old wood, ...
orange tree7/13/2006Kenneth Joergensen
  Q: what kind of fertilizer does an orange tree require? Thanx, Roy
  A: Use fertilizer with a 2-1-1 or 3-1-1 ratio such as 16-8-8, 20-10-10, etc. These are also commonly ...
FERTILIZER7/12/2006Kenneth Joergensen
  Q: WHAT IS FERTILIZER
  A: Plants need some key elements to grow. Plants to not eat like we do, but take up some key elements ...
Hydrangea7/12/2006Kenneth Joergensen
  Q: I live in Plymouth, MA and have several hydrangea plants that have only produced one or two flowers. ...
  A: Hydrangeas, especially the mophead like (large soft ball shaped pink or blue flowers) grow on "old ...
Fertilizer7/11/2006Kenneth Joergensen
  Q: Is there a manure that can help reduce the soil ph ? Also, what lawn fertiliser would you recommend ...
  A: The best choice to reduce soil pH is to use aluminum sulfate on the soil to reduce soil pH. For ...
trimming & pruning7/10/2006Kenneth Joergensen
  Q: How often do you trim azaleas after flowering? When do you prune?
  A: Do any pruning right after flowering to avoid cutting next year's flower buds off. Do not prune now ...
Nitrate based fertilizer7/10/2006Kenneth Joergensen
  Q: I live in Indonesia where the average temperature is 25-30 C all year round. I am wondering ...
  A: Both fertilizers are suitable. One has nitrogen partially in nitrate form which is preferred by most ...
Tomatoe Plant7/9/2006Kenneth Joergensen
  Q: My leaves are turning yellow near the bottom of the plant. They are in containers on a mostly sunny ...
  A: You do not need to add any more fertilizer. It is likely the watering practise, but it could also ...
Nitrate based fertilizer7/9/2006Kenneth Joergensen
  Q: I have a question to ask with regards to NPK fertilizers. I have been using NPK 15-15-15 made by ...
  A: Most plants prefer nitrogen in nitrate form. Plants take up most nitrogen in this form, but can ...
Fertilizer7/8/2006Kenneth Joergensen
  Q: What are fertilizer types of fertilizer advantages of fertilizer and disadvantages benefit of ...
  A: Plants grow by taking up some essential minerals (e.g. chemical elements known from the period table ...
fertilizing conifers7/7/2006Kenneth Joergensen
  Q: We have 5000 3 - 4 year old Colorado blue spruce. What kind of fertilizer should we be using and ...
  A: Best time to fertilize is in early spring before new growth. Unless you are trying to grow the ...
Hollytone for arborvitae?7/6/2006Kenneth Joergensen
  Q: Just doublechecking...do I use hollytone for fertilizing arborvitae? I just noticed that one of my ...
  A: Hollytone is a great fertilizer for abrovitae, but browning conifers will not be helped by ...
How can you fix over fertilizering7/6/2006Kenneth Joergensen
  Q: I was uesing summer time fertilizer when my spreader broke and over fertilizer sum of mylawn now ...
  A: Your best bet is to water a lot (flush the root zone) and hope for the best. The grass should green ...
potash7/4/2006Kenneth Joergensen
  Q: i am growing some flowers...and i recently tested my soil and it said i have a low nitrogen and a ...
  A: Plant feeds which states that it is good for 180 days are usually coated fertilizer pellets which ...
Pushing Tropical plants as far as they can go7/2/2006Kenneth Joergensen
  Q: I live in Louisville KY and have been doing tropical outdoor displays for sometime. I manly use ...
  A: It sounds like you are doing everything correctly. A good deep amended organic soil, such as those ...
fertlizing crepe myrtles6/27/2006Kenneth Joergensen
  Q: I have 4 crepe myrtles that appear to be healthy but the blooms are minimal. What and when do I need ...
  A: Fertilizer can help bring vigor back to a crepe myrtle, but do not overdo it. In the spring ...
Grill ashes as fertilizer?6/26/2006Kenneth Joergensen
  Q: My husband says using ashes as fertilizer is good. I say it is good in limited quantities and well ...
  A: Wood ashes are ok as they add potassium but use it sparingly as it can raise the soil pH rapidly. If ...
seashore paspalum grass6/20/2006rick hern
  Q: I have a seashore paspalum (or Seaisle 1) lawn that requires fertilizer not frequently found in the ...
  A: i'm in southern NJ. get to a local garden center/nursery and quiz them on a solution to your ...
Sunburst Locus Tree6/18/2006rick hern
  Q: I was wondering if you could recomend the best fertilizer for this tree - some leaves look great but ...
  A: depends on where you live and your soil content(pH, organic material, etc.). i 'm in southern NJ. ...
Over Fertilizer Armstrong Maples Saplings6/14/2006Kenneth Joergensen
  Q: I planted an allee of 20 Armstrong Maples last autumn in our typical, North carolina, heavy, red ...
  A: A light application of 10-10-10 once per season should be enough. Hopefully the rain has helped move ...
Potted Palm fertilizer?6/14/2006Kenneth Joergensen
  Q: I am writing from the Portland, Or area and I just received 2 very large potted palms from a friend ...
  A: Maybe the palms are too rootbound in their current pots and need to be repotted into larger pots. If ...

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