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Biologic Wine
Nutrients and their impact on healthy plant growth –  N is for Nitrogen

Nutrients and their impact on healthy plant growth – N is for Nitrogen

by Johnathan Grieve | Friday, 17 May 2013 | BioLOGIC®, Blog

In contrast to the lack of awareness of the importance of plant nutrients such as boron, silicon and sulphur, it is probably safe to say, that every farmer is well-aware of the role of nitrogen in plant growth.  The issues with nitrogen are different.  Nitrogen is a...
Nutrients and their impact on healthy plant growth –  S is for Sulphur

Nutrients and their impact on healthy plant growth – S is for Sulphur

by Johnathan Grieve | Monday, 13 May 2013 | BioLOGIC®, Blog

We continue with our series of articles about the biochemical sequence necessary for healthy plant growth.  The biochemical sequence is an explanation of the cycles, and the roles that biochemicals play in the development of plants.  You can read back on this blog...
Nutrients and their impact on healthy plant growth –  Ca is for Calcium

Nutrients and their impact on healthy plant growth – Ca is for Calcium

by Johnathan Grieve | Thursday, 20 Dec 2012 | BioLOGIC®, Blog

The third essential element in the biochemical sequence necessary for healthy plant growth is Calcium, which bears the atomic number 20 and is referred to by the symbol Ca.   We are familiar with how essential Calcium is to our own health, so it is not surprising that...
Nutrients and their impact on healthy plant growth –  Si is for Silica

Nutrients and their impact on healthy plant growth – Si is for Silica

by Johnathan Grieve | Friday, 26 Oct 2012 | BioLOGIC®, Blog

I started this series of posts about the impact of nutrients in the soil on healthy plant growth with Boron, which is the activator of an essential biochemical sequence on which plants depend.  The next element on the Periodic Table in this sequence is Silica,...
Nutrients and their impact on healthy plant growth –  B is for Boron

Nutrients and their impact on healthy plant growth – B is for Boron

by Johnathan Grieve | Monday, 17 Sep 2012 | BioLOGIC®, Blog

Avondale’s holistic BioLOGIC® approach ensures that we pay attention to the full spectrum of macro- and micro-nutrients involved in healthy plant nutrition.  This is in contrast to conventional farming’s focus on the ‘NPK’ fertilisers which narrowly takes nitrogen,...
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Johnathan Grieve

As family man… Avondale is a family farm where we appreciate that the health and balance of our living system is inextricably linked to well-being of our families. As a father of two and a husband, as son and brother, my inspiration to achieve a robust, balanced vineyard ecosystem is to ensure that Avondale will support the lives of our future generations.

As artist… A passion for jazz and a love for all forms of art, especially woodwork and sculpture led me into four years of fine art studies – an eclectic education for a budding a farmer, for sure! However, I have found that in so many ways, the patterns, interconnections and openness of the artistic worldview have influenced my understanding of how living systems work.

As farmer… My interest in farming started early when I was a boy growing up on a small-holding outside of Durbanville. I planted and tended my own vegetables which I sold to family and friends. I hardly imagined at that time though that I would one day become a farmer. However, the theme of a healthy balanced life was embedded in our family’s outlook.

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About Avondale

Our ethos, Terra Est Vita meaning ‘Soil is Life’ encapsulates our view of Avondale Estate as a dynamic living system where soil, water and energy; plants, animals and people;even our buildings, are part of a complex web of relationships and networks, interconnected and interdependent.

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Telephone: +27 21 863 1976
Email: wine@avondalewine.co.za