|
|
Author |
|
Message | |
|
wellington womble
Joined: 08 Nov 2004 Posts: 15051 Location: East Midlands
|
|
|
|
|
dpack
Joined: 02 Jul 2005 Posts: 45375 Location: yes
|
|
|
|
|
dpack
Joined: 02 Jul 2005 Posts: 45375 Location: yes
|
|
|
|
|
NorthernMonkeyGirl
Joined: 10 Apr 2011 Posts: 4584 Location: Peeping over your shoulder
|
|
|
|
|
dpack
Joined: 02 Jul 2005 Posts: 45375 Location: yes
|
|
|
|
|
dpack
Joined: 02 Jul 2005 Posts: 45375 Location: yes
|
|
|
|
|
cassandra
Joined: 27 Mar 2013 Posts: 1733 Location: Tasmania Australia
|
|
|
|
|
Mistress Rose
Joined: 21 Jul 2011 Posts: 15539
|
|
|
|
|
dpack
Joined: 02 Jul 2005 Posts: 45375 Location: yes
|
|
|
|
|
Graham Hyde
Joined: 03 Apr 2011 Posts: 365
|
Posted: Mon Mar 23, 15 12:04 pm Post subject: |
|
Hi. The basis for all compost and fertilizers is given in detail in Steve Solomans books. The barrel analogy is excellent at putting across the needs of a balanced fertilizer. Quote......
Should any of these vital nutrient substances be in short supply, all biomass and plant growth will decrease to the level permitted by the amount available, even though there is an overabundance of all the rest. The name for this phenomena is the "Law of Limiting Factors." The concept of limits was first formulated by a scientist, Justus von Liebig, in the middle of the last century. Although Liebig's name is not popular with organic gardeners and farmers because misconceptions of his ideas have led to the widespread use of chemical fertilizers, Liebig's theory of limits is still good science.
Liebig suggested imagining a barrel being filled with water as a metaphor for plant growth: the amount of water held in the barrel being the amount of growth. Each stave represents one of the factors or requirements plants need in order to grow such as light, water, oxygen, nitrogen, phosphorus, copper, boron, etc. Lowering any one stave of the barrel, no matter which one, lessens the amount of water that can be held and thus growth is reduced to the level of the most limited growth factor.
|
|
|
|
|
Graham Hyde
Joined: 03 Apr 2011 Posts: 365
|
|
|
|
|
baldybloke
Joined: 24 May 2008 Posts: 1388 Location: Wiltshire
|
|
|
|
|
Mistress Rose
Joined: 21 Jul 2011 Posts: 15539
|
|
|
|
|
cassandra
Joined: 27 Mar 2013 Posts: 1733 Location: Tasmania Australia
|
|
|
|
|
Mistress Rose
Joined: 21 Jul 2011 Posts: 15539
|
|
|
|
|
|