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  Re: [Aroid-l] Cultivation of Taccarum
From: Hannon <othonna at gmail.com> on 2011.12.15 at 04:15:24(22480)
Hi Christopher,

That is a good point. The "average humidity" for nearby Pomona is 43%,
which in reality means daytime humidity mostly <43% and nighttime humidity
over 43%, often reaching the dew point. The Los Angeles area is a semi-arid
zone with a strong coastal influence. It is not a desert.

The drying of the soil we are concerned with is toward the end of the
growing season and during the dormant period. A plant that has just lost
its leaves by yellowing and withering should already be in relatively dry
soil. It should not be watered until the next growing season in most cases.
If the plant has had a good season with vigorous root growth then this root
system will help pull water out of the soil just before the leaves die
down; the roots are dying back at this point also. Dormant tubers should
not be put away wet so to speak but I don't know if humidity alone is
enough to prevent soil from drying "enough". This issue will vary between
species and genera.

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