Recent content by Brabantia

Slippertalk Orchid Forum

Help Support Slippertalk Orchid Forum:

This site may earn a commission from merchant affiliate links, including eBay, Amazon, and others.
  1. Brabantia

    Salts from fertilisers

    I have compared the oligo content of several fertilizers that can be used to grow orchids and I have never found another fertilizer as rich as MSU in the elements I mentioned in my first message. Only iron is chelated... am I to understand that Cu, Zn and Mn are not?
  2. Brabantia

    Salts from fertilisers

    @Ray and Roth We've been talking about MSU fertilizer and one question has always puzzled me.... When I compare the trace element content of fertilizers that have been used for decades to grow orchids, I find that MSU fertilizer has a higher content. If I compare the trace element content of...
  3. Brabantia

    Dowiana seedling rotting!! Need help to treat it

    The question of Malipoense is: What I need to do !!!! I've had this problem before. I cut the leaf a few mm below the black part (with a hot disinfected blade) and immediately put some cinnamon powder on the freshly cut part. I'll be watching to see if it continues to develop. If so, .... cut...
  4. Brabantia

    paphio fertilization

    A tsp = ~ 4gr ( P..ers 20-20-20 measured and weighed) 3/4tsp --- 3gr /3.75L ---> 0.8 gr/L at 20% N ---> 160 ppm N /2W ---> 80 ppmN /1week You are right Ray.
  5. Brabantia

    cattleya gaskelliana show

    Beautiful !
  6. Brabantia

    paphio fertilization

    And how ppm or mgr/L nitrogen for full strenght ?
  7. Brabantia

    paphio fertilization

    That's very imprecise information! All year round with a dilute solution, it could be once every 2 weeks with a solution containing 20 ppm nitrogen. This question deserves more precision. Please specify the exact nitrogen concentration (or specify the weight of fertilizer per gallon and the NPK...
  8. Brabantia

    Growing cattleyas at me

    A brief comment about adding tap water. This not only raises the pH of the fertilizer solution, but also counteracts the pH decrease of the substrate, as would the addition of dolomite or oyster shells. When watering with rainwater, you can also add a little tap water for the same reason. This...
  9. Brabantia

    Growing cattleyas at me

    I use a conductivity meter purchased from Ali.....ss. Its accuracy is quite sufficient for our orchids. If you calibrate the conductivity meter with a solution of known conductivity, your reading can't be wrong. You can buy a 0.005M KCL solution with a conductivity of 718 µS/cm at 25°C.
  10. Brabantia

    Growing cattleyas at me

    @dodidoki As for exemple for Masdevallia, I prepare a solution at 40 ppm nitrogen (from 15-5-15). This solution is prepared in a mixture of rainwater and tap water: 40 ml of tap water per liter. I need to add one or two drops of 1molar KOH to achieve a pH of 6.1-6.2. The EC of this solution is...
  11. Brabantia

    Growing cattleyas at me

    All forms of calcium are absorbed by the roots. If you fertilize with MSU fertilizer at 50 to 65 ppm nitrogen, you'll see Cattleya leaves become hard. Calcium is in the form of nitrate in this fertilizer. As long as the Ca is in solution, it is absorbed by the roots. Calcium in tap water is in...
  12. Brabantia

    Growing cattleyas at me

    @dodidoki You mentioned that you use Peters CalMag fertilizer. When this fertilizer is dissolved in rainwater, have you noticed that it causes a significant drop in the pH of the solution? At the beginning of this year I experimented with this fertilizer and had to add tap water (10%) to bring...
  13. Brabantia

    Zygonisia (Z. Advance Australia x Zns. Cynosure)

    Beautifum flowering. Is cultivation a bit tricky? Growing like a zigopetalum?
  14. Brabantia

    Stan. tigrina

    Beautiful flowering. What are the dimensions of your plant or pot? I have two such plants which have been grown in 17 cm (7") diameter pots for at least 10 years ..... they have never flowered. The pots have no bottom, replaced by a grid with 10 mm (3/8") mesh and a layer of sphagnum. What are...
  15. Brabantia

    Mealy bugs o my

    Since Imidachloprid-based products have been banned in Belgium, I've been successfully using 3% hydrogen peroxide diluted 5 times. I add 2 ml IPA per 100ml solution and a drop of wetting agent (Triton). I apply this mixture either with a brush or by spraying the whole plant. Of course, this...
Back
Top