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Showing results 1 to 25 of 27
Search took 0.01 seconds. Search: Posts Made By: Georg Luiz Barth
Forum: Semi-Hydroponic Culture 04-09-2022, 09:03 PM
Replies: 164
Views: 46,773
Posted By Georg Luiz Barth
Minas Gerais is located in the southeastern...

Minas Gerais is located in the southeastern region of Brazil and Bahia in the northeast region. These are states with higher average temperatures than Santa Catarina, which is in the south of the...
Forum: Semi-Hydroponic Culture 04-09-2022, 02:30 PM
Replies: 164
Views: 46,773
Posted By Georg Luiz Barth
Perfect Ray. It appears that the balanced use of...

Perfect Ray. It appears that the balanced use of leca and rockwool cubes fills an important gap in "certain" growing conditions with inorganic media. Mainly, when it is not possible to control the...
Forum: Semi-Hydroponic Culture 04-09-2022, 10:55 AM
Replies: 164
Views: 46,773
Posted By Georg Luiz Barth
Great news, thanks for the feedback WaterWitchin....

Great news, thanks for the feedback WaterWitchin. Basically I'm following the same guideline....but I just started 15 days ago. I had to adjust my watering cycle every other day with 25ppmN (using...
Forum: Semi-Hydroponic Culture 04-09-2022, 07:12 AM
Replies: 164
Views: 46,773
Posted By Georg Luiz Barth
Smile Hi guys.... 4 months after the last report, how...

Hi guys.... 4 months after the last report, how is the evolution of the experiments in favor of improving the moisture distribution inside the s/h pot with reservoir, using leca and rockwool? I...
Forum: Semi-Hydroponic Culture 03-30-2022, 03:30 PM
Replies: 4
Views: 2,964
Posted By Georg Luiz Barth
This is exactly my current setup... transparent...

This is exactly my current setup... transparent s/h pot with side drainage hole placed inside a beautiful cachepot. I have not had problems with the internal roots, respecting of course the care...
Forum: Semi-Hydroponic Culture 03-29-2022, 02:28 PM
Replies: 37
Views: 6,493
Posted By Georg Luiz Barth
I also put some of my phalaenopsis into a mixture...

I also put some of my phalaenopsis into a mixture of Leca and rockwool (+ - 80%/20%). In the catleyas I only put pieces of wool on the surface. I noticed a visual improvement in the distribution of...
Forum: Beginner Discussion 03-28-2022, 06:17 PM
Replies: 6
Views: 2,778
Posted By Georg Luiz Barth
I have not used this product...I agree that there...

I have not used this product...I agree that there are other effective methods and products. KelpMax, heat mat for example, and above all... a good growing condition.
Forum: Beginner Discussion 03-28-2022, 05:03 PM
Replies: 6
Views: 2,778
Posted By Georg Luiz Barth
Veterinary vitamin complex for orchids...???

Hi guys, a few orchidists here in Brazil are using a veterinary vitamin complex called Vita Gold. Spray 10 drops of the product on the leaves and roots, diluted in 1 liter of water, once a month....
Forum: Beginner Discussion 03-22-2022, 10:50 PM
Replies: 3
Views: 2,977
Posted By Georg Luiz Barth
Oops...I'm using a cell phone instead of the...

Oops...I'm using a cell phone instead of the computer. The letters and the fields are too small and I ended up wrong in the post. I'm sorry.

---------- Post added at 09:49 PM ---------- Previous...
Forum: Beginner Discussion 03-15-2022, 05:28 PM
Replies: 3
Views: 2,977
Posted By Georg Luiz Barth
Really Ray.... amount practically at the level of...

Really Ray.... amount practically at the level of micro elements. I'm using six to seven times the content you searched for. I can fix this easily and maybe eliminate the small problem of salt...
Forum: Beginner Discussion 03-15-2022, 02:33 PM
Replies: 3
Views: 2,977
Posted By Georg Luiz Barth
Sulfur requirements in orchids.

Dear orchidists, in your opinion....what would be the ideal percentage by weight of sulfur in the composition of nutrients for orchids? I noticed that this is not clearly specified on the fertilizer...
Forum: Semi-Hydroponic Culture 02-16-2022, 08:23 AM
Replies: 37
Views: 6,493
Posted By Georg Luiz Barth
Ray, in your opinion mapito would be a good...

Ray, in your opinion mapito would be a good option?
Forum: Semi-Hydroponic Culture 02-15-2022, 08:43 PM
Replies: 37
Views: 6,493
Posted By Georg Luiz Barth
Here, this inert substrate in the form of little...

Here, this inert substrate in the form of little cubes is called "mapito", a curious name for this.... it is manufactured by Cultilène. I paid the equivalent of 4 U$$ dollars, a volume of...
Forum: Semi-Hydroponic Culture 02-15-2022, 03:41 PM
Replies: 37
Views: 6,493
Posted By Georg Luiz Barth
I found something better on the market than the...

I found something better on the market than the woolen bricks that were crumbling very easily. They are cubes between 1 and 2 cm more compacted, made with wool and volcanic rock scales and...
Forum: Semi-Hydroponic Culture 02-15-2022, 11:03 AM
Replies: 6
Views: 1,473
Posted By Georg Luiz Barth
Yes Louis... good idea.

Yes Louis... good idea.
Forum: Semi-Hydroponic Culture 02-15-2022, 10:41 AM
Replies: 37
Views: 6,493
Posted By Georg Luiz Barth
Thanks for the answer. I just purchased two...

Thanks for the answer. I just purchased two rockwool bricks here in my town. We have several vegetable producers here, who adopt the hydroponic process and use rock wool bricks to grow seedlings. I...
Forum: Semi-Hydroponic Culture 02-14-2022, 06:44 PM
Replies: 37
Views: 6,493
Posted By Georg Luiz Barth
Yes Ray...searching here on the forum, I found a...

Yes Ray...searching here on the forum, I found a post about Rockwool Medium, where you and other colleagues comment positive experiences on the subject. I found it fascinating... One question, using...
Forum: Semi-Hydroponic Culture 02-14-2022, 05:07 PM
Replies: 6
Views: 1,473
Posted By Georg Luiz Barth
Occasionally I dip the aerial root into a small...

Occasionally I dip the aerial root into a small plastic test tube filled with water, fitted with a "little hook" attached to the s/h pot. It's amazing how she reacts...in a few hours the root turns...
Forum: Semi-Hydroponic Culture 02-14-2022, 04:46 PM
Replies: 37
Views: 6,493
Posted By Georg Luiz Barth
Yes...one of the reasons, among many others, to...

Yes...one of the reasons, among many others, to do the watering every other day is this....try to keep lecca column with a certain degree of balance in humidity. The idea of using a plastic disk with...
Forum: Semi-Hydroponic Culture 02-14-2022, 02:34 PM
Replies: 37
Views: 6,493
Posted By Georg Luiz Barth
Lack of moisture on the surface of the pot with lecca

Guys, I would like to know if there are any news on this subject, aiming to reduce the drying of the lecca in the upper layers of the semi hidroponic pot .....maybe by using glass wool, rock wool...
Forum: Semi-Hydroponic Culture 02-14-2022, 02:14 PM
Replies: 6
Views: 1,473
Posted By Georg Luiz Barth
Glad to hear that, as I was beginning to worry...

Glad to hear that, as I was beginning to worry too much about this matter. Although I know that the ideal is to correct the problem.
Forum: Semi-Hydroponic Culture 02-14-2022, 02:01 PM
Replies: 6
Views: 1,473
Posted By Georg Luiz Barth
Aerial roots.

I have grown some orchids with relative success, but I am not satisfied with the dryness of the Phalaenops aerial roots. The roots growing inside the pot are well developed and almost all are...
Forum: Advanced Discussion 02-13-2022, 05:33 AM
Replies: 11
Views: 5,813
Posted By Georg Luiz Barth
Don't worry....your comments were relevant and...

Don't worry....your comments were relevant and reinforce the need for special care in irrigation, in this peculiar semi hydroponic system. Thanks
Forum: Advanced Discussion 02-12-2022, 11:41 PM
Replies: 11
Views: 5,813
Posted By Georg Luiz Barth
Yes...My watering is done with 25 ppmN nutrient...

Yes...My watering is done with 25 ppmN nutrient solution every two or three days, filling and emptying the pots, flushing the Leca pebs with the solution ... then I keep the solution in the drain...
Forum: Advanced Discussion 02-12-2022, 08:59 PM
Replies: 11
Views: 5,813
Posted By Georg Luiz Barth
Hello.... answering your question, yes I wash the...

Hello.... answering your question, yes I wash the pots by running tap water abundantly over the leca... but monthly. Since I use a well-diluted nutrient solution, I don't have any problems with salt...
Showing results 1 to 25 of 27
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