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13-Jun-2007
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#11 |
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bonsaiTALK Journeyman
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Here and here for example. BTW, there is also a few articles on the same site about fall fertilization that go against ideas generally accepted in the bonsai world (but regularly debunked by Brett Waltson).
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root cutting and fertilize |
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13-Jun-2007
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#12 |
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Wabi and Sabi student
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Lanig
Although intresting reading.(Again I had to research tems like embolized  )I don't believe either article answers the question posed by Antonis. He asks wether to use fertiliser after root pruning. The first article was meant to answer this question but in the conclusion it only gives results of the effects of rootprunning. If I read correctly a 50% root prune still has less flow of water at the end of the growing season(fair bit). Yet a 25% root pruned tree has increased( minor) water flow by the end of the growing season compared to a non root pruned tree. The second article relates to fertilisation when repotting but not root prunning. I got from this that what Walter put elequently by saying" I use watever fertiliser is on specail, the tree uses what it wants" In response to what fertiliser to use in Autum. I think it is this that you seem to agree with as well with Brent. I insinuate that there is no need to swap to a 0-0-10 type fertiliser in Autum? In any account I think it is now accepted that wether it does any good or not fertilisation at the time of repotting will not harm the tree.
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GROW DAMIT! BRETT AUSTRALIA ZONE 8-9? Last edited by soltan : 13-Jun-2007 at 08:29 AM. |
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13-Jun-2007
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#13 |
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Wabi and Sabi student
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I recently started using the seaweed extracts on my trees again after reading this
http://www.kaizenbonsai.com/seaweed_products.htm By Graham Potter in the UK. I had become very interested in the propeties of Auxin the other ingriedient of Super Thrive apart from B1. I had been using an auxin only product wich was not expensive. The seeweed extract has Auxin ( wich Graham fails to state increases lateral root growth while slowing top growth'reducing internodes) as well as many other apparently great ingredients. I feel safer introducing Auxin this way. I believe as Graham states that sea wead extracts does have nutritients and trace elements but it is generally used to de stress a plant rather than fertilise it. The nutrients it supplies are not surficient.
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GROW DAMIT! BRETT AUSTRALIA ZONE 8-9? |
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14-Jun-2007
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#14 | |||
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bonsaiTALK Journeyman
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Quote:
The second article says that Quote:
And in the conclusion : Quote:
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30-Oct-2007
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#15 |
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bonsaiTALK Journeyman
Join Date: Jul-2007
Country: Iraq
Posts: 26
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old wives tale
Just my 2 cents,
While new to bonsai, I have been a certified arborist for 11 years and while I dont have time right now to find and post links I have done my reasearch. My findings from my own personal experience and others scientific reaserch is that It is critical that you fertilize especially after digging up or repotting and rootpruining even though there may not be many feeder roots left. True the plant will have a harder time using for a while untill new roots are replaced and that is where foliar feeding comes in. I have seen enough of these trees suffer from nutrient defeciencies by not foliar feeding or in pot fert. For foliar I use full strength seaweed extract and half strenth MG Tomato. For in pot I use Superthrive, Fish emulsion and seaweed extract full strength! What you are smelling in B1 transplant products are NAA/IBA Auxins, most B1 products contain these and this is what works, B1 has never been proven to do anything although for some reason the label sells more bottles. Superthrive has these auxins but from my results seems to work better than any other product I have ever used, time and time again I find myself swearing by Superthrive. The label threw me off for a while and my landcaper buddies allways jest me for using it but for me the proof is in the pudding. It is almost more importaint to fertilize in this critical time simply because the plant is severely limited after rootpruining to absorb all of the water and nutrients it needs. Last edited by jondenver : 30-Oct-2007 at 02:39 PM. |
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