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The Importance of Lime
Last week a customer asked about lime.
The better known effects of liming are  physical  chemical and  biological.
A crum structure is encouraged by the addition of any form of lime, particularly in clay soils.
Liming has the effect of changing soil acidity [pH] whereby significant chemical changes occur.
Whilst the reduction of soil acidity is best known, there are also many indirect effects on nutrient availability and on the toxicity of certain elements which are probably most important.
Lime stimulates certain soil organisms, thereby increasing the activity of the organic matter and nitrogen of an acid soil.
The successful growth of most soil micro-organisms so definitely depend on lime that satisfactory biological activities cannot be expected if soils fall below a given calcium and magnesium level.
Listed below are the most common form of lime together with comments.
Lime is available to the gardener in a number of forms
Mr Bokashi uses lime flour spread inconjunction with organic matter [compost] on a yearly basis at a rate of 20gms /m2 .
- Agricultural lime -The most common form and is ground to a coarse powder Used for soil acidity increase, and slower acting than other forms.
- Lime flour or fine lime – fine ground to a flour and much more quick acting than agricultural lime and much smaller amounts needed.
- Dolomite – contains both calcium and magnesium.
- Gypsum - great for breaking up clay soils and as has no effect on soil acidity good for adding calcium to the soil. Added bonus of some sulphur as well.
Note: Not recommended on areas where this seasons potatoes are be grown.
Spring is not far away and this is a good time to be applying lime to your garden soil.
We have available fine lime in 5kg bags or special offer of 5kg free when you purchase 2 x 2.5kg bags of Earth Zing.
A recent article published in the European Journal of Agronomy has revealed that long term application of EM in combination with compost significantly increased wheat straw bio-mass, grain yield and grain nutrition compared with traditional compost and control treatments.
Long term study finds micro-organisms promote growth
The study over an eleven year period concluded that application of EM significantly increased the efficiency of organic nutrient sources. EM is the active ingredient in Earth Zing [Buy Now] and regular use will have similar effects .