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Showing results 1 to 25 of 48
Search took 0.01 seconds. Search: Posts Made By: dnatural1
Forum: Semi-Hydroponic Culture 02-05-2025, 09:32 PM
Replies: 13
Views: 4,223
Posted By dnatural1
Hi Sally, The main fertilizer I use, Peters Excel...

Hi Sally, The main fertilizer I use, Peters Excel CalMag Finisher, is the standard for professional use here in Australia. It's contents are: N:P:K:Ca:Mg = 13:5:20:7.0 (as Calcium Oxide):2.0 (as...
Forum: Semi-Hydroponic Culture 02-05-2025, 09:07 PM
Replies: 11
Views: 781
Posted By dnatural1
Hi Ray, I use tap water. The characteristics are:...

Hi Ray, I use tap water. The characteristics are: pH = 8.1, EC = 0.25 mS/cm. Yes I start with a pH of 8.1 before adding the nutrient. These measurement are very consistent with time. After adding the...
Forum: Semi-Hydroponic Culture 02-05-2025, 06:18 PM
Replies: 11
Views: 781
Posted By dnatural1
Since my last post I switched to a 30ppm of...

Since my last post I switched to a 30ppm of nitrogen for my semi-hydroponics trial - more or less as per Ray B's advice. Before doing this I also flushed the pots\LECA and the holding tray to...
Forum: Semi-Hydroponic Culture 02-05-2025, 06:02 PM
Replies: 13
Views: 4,223
Posted By dnatural1
Hi all. Its very encouraging to hear of your...

Hi all. Its very encouraging to hear of your positive results. I've started using semi-hydroponic culture methods this season (its summer in Australia now). So far it looks good - no real issues to...
Forum: Semi-Hydroponic Culture 01-23-2025, 07:07 AM
Replies: 11
Views: 781
Posted By dnatural1
",,, providing more along the line of 130 ppm N...

",,, providing more along the line of 130 ppm N ,,,", Worked it out and it's 120 ppm of N. Close enough.

Actually it gets worse than 130 ppm N. As I'm using an 'open-top' system there is a lot of...
Forum: Semi-Hydroponic Culture 01-22-2025, 05:00 PM
Replies: 11
Views: 781
Posted By dnatural1
Hi Ray, Estacion, The N:P:K:Ca:Mg (%W/V)...

Hi Ray, Estacion,

The N:P:K:Ca:Mg (%W/V) of the fertilizer is
2.4 : 0.5 : 2.0 : 2.0 : 0.5

There is a formulation from that brand, that is also orchid specific, but targets...
Forum: Semi-Hydroponic Culture 01-21-2025, 11:28 PM
Replies: 11
Views: 781
Posted By dnatural1
Algal Growth on LECA

Hi All,
After deliberating for over 1 year and doing a lot of reading (including that on Ray Barkalow's site) I started a semi-hydroponics trial. The purpose of this trial is find out what works...
Forum: Propagation 09-05-2022, 05:45 PM
Replies: 7
Views: 3,361
Posted By dnatural1
I've just become a member of the "Cardboard...

I've just become a member of the "Cardboard Orchids Sowing Group" on Facebook. Haven't had a chance to dig deep into it but it seems well organised. There is an introductory article on the Cardboard...
Forum: Propagation 09-04-2022, 11:55 PM
Replies: 7
Views: 3,361
Posted By dnatural1
Louis_W, The cardboard method may have originated...

Louis_W, The cardboard method may have originated in Japan and I am seeing references to it in quite a few orchid forums - including this one. Just search in this forum for :Cardboard Method" and...
Forum: Advanced Discussion 08-17-2022, 12:08 AM
Replies: 10
Views: 2,635
Posted By dnatural1
Pinching New Cattleya Growth

I've made a mental note of this Clawhammer. Particularly applicable to Walkerianas given that they tend to walk out of their pot more so than other Cattleyas.
Forum: Advanced Discussion 08-11-2022, 06:21 PM
Replies: 8
Views: 1,473
Posted By dnatural1
Hi Ray, Louis, Tks for your replies and...

Hi Ray, Louis,

Tks for your replies and suggestions.

So if the period between flowering and seed set is, say, 3 months, then one has to be there 3 months before the rains start. As I think...
Forum: Advanced Discussion 08-11-2022, 08:26 AM
Replies: 8
Views: 1,473
Posted By dnatural1
Best time to view flowering orchids in the wild

I am planning to do a orchid trip to Colombia in 2023 - the aim is to see as many flowering orchids in the wild as possible. What is the best time to do this - both in general and specifically for...
Forum: Advanced Discussion 05-21-2021, 12:07 AM
Replies: 6
Views: 2,715
Posted By dnatural1
Hi Karrolhk, An interesting article, with...

Hi Karrolhk,
An interesting article, with pictures and descriptions, of the main nutrient deficiencies written by a professional:
Identifying Nutrient Deficiency in Plants...
Forum: Propagation 02-25-2021, 03:19 AM
Replies: 6
Views: 1,897
Posted By dnatural1
Tks again Roberta and Estacion Seca. I'll send a...

Tks again Roberta and Estacion Seca. I'll send a couple of photos that show the results when they happen.
Forum: Propagation 02-24-2021, 10:16 PM
Replies: 6
Views: 1,897
Posted By dnatural1
Hi All, A belated tks to Estacion Seca...

Hi All,

A belated tks to Estacion Seca and Roberta. Your comments were helpful.

As like all Maxillarias it would require to be kept moist then a 'plain' mount would be a challenge for me...
Forum: Propagation 02-18-2021, 04:24 PM
Replies: 6
Views: 1,897
Posted By dnatural1
Maxillaria paranaensis propagation from cuttings

Hi All,
I was recently given a couple of Maxillaria paranaensis cuttings mounted on tree fern. They seemed like they were making a couple of new roots when I got them but do not seem to be...
Forum: Advanced Discussion 12-25-2019, 02:56 AM
Replies: 13
Views: 4,858
Posted By dnatural1
Hi SpclK, Thank very much for that...

Hi SpclK,

Thank very much for that contact - I will contact Eric and David Haelterman. My initial aim was to tour Colombia to both see the native orchids in-situ and also to get an overall view...
Forum: Advanced Discussion 10-03-2019, 12:56 AM
Replies: 0
Views: 1,629
Posted By dnatural1
Orchid Tours in Costa Rica

A couple of months ago I posted about doing an horticultural tour (focus on orchids) in Central America (in early 2020) with Costa Rica being the more likely destination. Have looked for tour...
Forum: Advanced Discussion 09-04-2019, 05:05 AM
Replies: 10
Views: 2,993
Posted By dnatural1
In Austrailia we have what are termed as...

In Austrailia we have what are termed as "Selective Lawn weeders". Basically these are herbicides which target "broad leaved plants" more than they do "narrow leaved plants". In other words they...
Forum: Propagation 08-27-2019, 05:27 PM
Replies: 9
Views: 3,656
Posted By dnatural1
Hi SouthPark, "... I'd probably just add a...

Hi SouthPark,

"... I'd probably just add a bit extra, like some auxin solution ..."

As you probably know Auxins promote root growth while Cytokinins promote leaf growth. Things like Keiki...
Forum: Advanced Discussion 08-26-2019, 11:30 PM
Replies: 19
Views: 5,844
Posted By dnatural1
Hi Dounoharm, Could you give more info on...

Hi Dounoharm,

Could you give more info on the "radiograph pens" you are using? Are they fillable with ink (sort of like fountain pens) or they come prefilled with India Ink? Any specific brands...
Forum: Propagation 08-01-2019, 02:17 AM
Replies: 8
Views: 4,651
Posted By dnatural1
Maybe you can lay one of them horizontally on the...

Maybe you can lay one of them horizontally on the sphagnum moss with the 'leaves' up. The side touching the moss will be encouraged to develop roots. Covering the moss container with transparent...
Forum: Propagation 07-31-2019, 09:32 PM
Replies: 8
Views: 4,651
Posted By dnatural1
I'll keep your hint about heat and humidity in...

I'll keep your hint about heat and humidity in mind.
I think your challenge will now be ensuring the keikis have enough nutrition available to make leaves and some roots - after that point they can...
Forum: Propagation 07-30-2019, 11:23 PM
Replies: 8
Views: 4,651
Posted By dnatural1
Hi ColoradoBridDog, How exactly did you...

Hi ColoradoBridDog,

How exactly did you get those Keikis to form? Did you use some sort of Keiki paste (with hormones to promote Keiki formation)? Or did you just leave the cut flowering stems...
Forum: Advanced Discussion 07-08-2019, 11:18 PM
Replies: 3
Views: 3,052
Posted By dnatural1
Hi Ray, WaterWitchin, Belated tks for...

Hi Ray, WaterWitchin,

Belated tks for your replies. I will have another go at using terracotta with base in some sort of water reservoir. Previously I used moist sphagnum in the pot to keep...
Showing results 1 to 25 of 48
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