Garden Myths - Learn the truth about gardening

Posts tagged fertilizer

Does Fertilizer Kill Soil Bacteria?

Read most organic books or blogs and they will tell you that synthetic chemical fertilizers are killing the bacteria and fungi, the microbes, in soil. Dr. Ingham and her Soil Food Web preach this same message. Stop using fertilizers because they kill the bacteria and fungi. My review of Teaming With Microbes found the same message repeated several times.

Does fertilizers really kill bacteria or fungi in soil?

Some people claim that the ‘salts’ in fertilizer do the damage, but anyone making such a claim does not understand what happens to salts in soil. I’ll explain this in more detail below.


Does Fertilizer Kill Soil Bacteria?

Does fertilizer kill bacteria?

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Milk Fertilizer – A Myth is Born

A while ago I wrote about Milk As Fertilizer and concluded that although milk would add organic matter to a garden, it was no ‘magic bullet’. Since that report I have spent more time looking at the subject of milk fertilizer and tracked down how this myth was born. It a thriller full of deception and lies. Today I will dig deep into this myth and uncover some surprising facts. Then I will review the latest research on the subject.

Milk Fertilizer - a Myth is Born

Milk Fertilizer – a Myth is Born

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Fertilizer Garden Myths

A lot of the stuff on the internet is garbage when it comes to gardening advice. I am not surprised about that since many people just repeat what they have heard and give it very little thought. Some garden writers don’t actually do much gardening – they are writers, not gardeners. I rarely believe information unless it comes from experts in a field, government sites or published research articles.

This blog is about an information guideline on fertilizers and soil amendments which is published by a government source – one you should be able to trust. Unfortunately it is full of incorrect or misleading advice. Let’s have a look at some fertilizer gardening myths.

fertilizer garden myths; Lobelia cardinalis X Lobelia siphilitica, by Robert Pavlis

Lobelia cardinalis X Lobelia siphilitica, grows just fine without added fertilizer, by Robert Pavlis

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Fertilizer NPK Ratios – What Do They Really Mean

Most references say that the NPK values indicate the % nitrogen, % phosphorus and % potassium. They say this, not because it’s true, but because it makes it simple to explain fertilizer concepts to the general public.

What does NPK really mean?

Fertilizer NPK Numbers - What Do They Really Mean

Fertilizer NPK Numbers – What Do They Really Mean

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Benefits of Composting

In past posts I have talked about some of the benefits of compost. It improves soil structure and it adds nutrients to the soil. What about the other benefits like adding microbes to the soil, reducing diseases and eliminating the need for additional fertilizer? Are these real benefits or just gardening myths?

Benefits of composting

Benefits of composting

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