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Post by snapperhead51 on Dec 17, 2015 16:58:10 GMT -5
yesterday it as a hot day here in Adelaide south Australia and for the next week its probably not going to change much here is a temp gauge out my back between the main house and the flat out back the temp dig is sitting on a wood post in open sun so this was it reading at 12.30 pm and 4 .30 pm at 12.30 pm it read 47.1c at 4.30 pm it was 49.9 c reasonable hot in the sun !! you may think well that's quite hot, but together with very low humidity of approx 12% its like standing in a oven
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Post by lloyd on Dec 17, 2015 17:08:11 GMT -5
How hot in the shade?
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Post by snapperhead51 on Dec 17, 2015 17:10:51 GMT -5
under the back porch it was 37.4
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Post by shoggoths on Dec 17, 2015 17:18:22 GMT -5
Wow that's hot. In a few weeks we whill have the same temperature here too ; but with a minus in front of it.
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Post by amanitovirosa on Dec 17, 2015 20:00:36 GMT -5
...Almost 50 degress Celcius???!!! I'm sure your plants hate temps that high, A/C must be overheating. That's crazy hot, try to stay cool John.
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Post by snapperhead51 on Dec 17, 2015 20:10:13 GMT -5
thanks , i really don't know how your guys survive in minus 5 10 15 c over there i just can imagine that cold temp , must be hard ,i suffer at 5 c being to cold here ha ha ah
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Post by Avery on Dec 17, 2015 20:27:29 GMT -5
John, last year the city that I live in recorded a new low temperature of -38 C for the first of March! With the added "wind-chill" effect it would have felt more like -50 C. Not exactly brag worthy but an interesting contrast nonetheless.
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Post by Maiden on Dec 17, 2015 20:41:55 GMT -5
Courage john, its only a hard week. Try to stay cool and im sure your plants will recover from this.
F.
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Post by snapperhead51 on Dec 17, 2015 21:40:38 GMT -5
thanks Maiden well be ok ,better prepared this year for the heat . Avery , i really cant believe that people can live in such extreme cold , that's just so far out of any thing we know down here ,
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Post by danyoh on Dec 17, 2015 21:44:00 GMT -5
I rather have it cold than hot because you can keep adding layers, but if it's too hot, once you're naked that's it!
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Post by Apoplast on Dec 17, 2015 22:13:35 GMT -5
Hi John - That is terrible! I've lived in the desert in the States where I had to work outside a full day with a high of 48 in the shade. The most surprising thing was we measured a soil surface temperature of 69! Apparently at 70, proteins in human skin begin to denature. So, one more degree up and you could sit down and momentarily start to cook your rear. Fun fact! I'd have to agree with danyoh though, especially for cultivating CP, I'd rather live where it gets down to -35 than where it gets to 35 above. It's easy to cool using outside air and heat. Cooling when it's hot outside is energy intensive and expensive. Luckily for me I get to do both! Good luck John! I hope the fires haven't been to near you.
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Post by snapperhead51 on Dec 17, 2015 22:17:53 GMT -5
for us its actually easier to cool than heat, , heating here believe it is much more expensive than cooling , guess its depends on where u are in the wold to what works well ? my mex pings thrive in this weather too , so great colour with the extra warmth and light , put the temp gauge out just now just a pitiful 45c cool change obviously
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Post by Apoplast on Dec 17, 2015 22:41:14 GMT -5
It takes more energy to cool than heat, so I am guessing the disparity in cost must be in the price of electricity vs. whatever fuel you use to heat.
Well, I suppose the other possibility is if you are dry enough to use a very efficient swamp cooler (a.k.a. evaporation cooling). But those don't achieve as low of temps usually, unless you have serious night time temperature drops. Though maybe enough to keep plants going?
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Post by snapperhead51 on Dec 17, 2015 23:19:53 GMT -5
yes the evap cooler is only way to go here only a few cents a day to run full time, the night time temps is a bit of a mith i think , well here any how , a drop in temp of any kind is good enough , in the mountains in Borneo , its only at very high altitude is where u get that high drop and only 2 or 3 plants live there ,so over all not a great importance, many of so called high altitude plants live quite happily in the lower altitudes as well that i have seen many times on trips there to theses mountains , and slept near the summits , in a hammock except Kinabalu , it don't get so cold ,i never had to cover up yet other than ware a t/shirt , in my experience most plants adapt to your micro climate reasonable well , except probably for N.villosa and a few others similar ,that need the cooler and lower uv lighting , but Evey climate is different and we all have different levels of experiences and growing conditions to contend with
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Post by Apoplast on Dec 21, 2015 18:49:51 GMT -5
Hi John - Sure hope I didn't touch a nerve there. I know you are an experienced grower and have deep knowledge of these plants in cultivation and in habitat. Having lived for a number of years in a similar climate as you do, I was curious how you deal with some of the issues there.
The issue with temperature drop across different lineages of plants you raise is interesting. I'm not certain of the metabolic underpinnings in the variation that is observed. In fact, I don't know if that have been extensively studied, or if a mechanism has been well established.
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