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<pre>Have you taken a soil profile down to a depth of 1.5 meters and had the
soils analysed. If not suggest you do so and this should assist in a big way
for your soil annalasis and then you will know what water to apply.
I have done an experiment over 2 years with no irrigation on 150 trees and
the rain fall is only 400mm / year the loss was only 5 trees all by doing
soil checks to a reasonable depth. I am not sure how cold you get in winter
but becareful of winter irrigation.
----- Original Message -----
From: "Mike Wilson" <mike.wilson@...>
To: <OliveOil@yahoogroups.com>
Sent: Tuesday, 2 April 2002 10:50
Subject: Re: [OliveOil] Olive Trees


>
>
> > I wish to plant somewhere between 3000 and 4000 olive trees. Can
> > some one tell me where I can get a difinitive answer on exactly how
> > much water is needed in the first three years after planting
> > (assuming 250 trees to ha). If the rainfall in my area is 400mm pa.
>
> I asked a similar question a couple of months ago. The answers I received
> were:
>
> The information that I posted was for mature trees. 200-350/Ha. Young
> trees require about 20 litres/week over summer to reduce stress. In dry
> winter conditions similar amounts are required.
>
> Prof Stan Kailis
>
>
> The Californian Manual suggests that a mature olive tree is likeliest to
> reach its maximum production capacity if it receives 1000mm a year. As
the
> olive is a Mediterranean tree it probably prefers to receive its rainfall
in
> a pattern as close to that in the Med as possible. Olives Australia's
web
> site contains rainfall patterns for many areas in the Med but in short,
wet
> autumns, cold, damp winters and wet springs followed by dry summers.
>
> Yours,
> Dan Burnett
>
>
> I saw a figure of 4Ml per hectare. In practice I am watering my trees on
> hills
> soil (contains some clay so water retention is good) at the rate of
35litres
> every 2 weeks. Trees are 1 year in the ground. You can also check the
leaves
> and
> also the sol to see if you are doing ok. But I guess you want to plan
rather
> than check existing trees.
> Our rainfall is around 800mm per annum in the wintermonths mainly.
>
> Hope this helps along with the rest of the responses you are sure to get.
> Best Regards
> Andrew & Val Brown
>
>
> Based on my local conditions and these three excellent comments, I settled
> on 30 litre per hour sprays, run for an hour a week in mild weather and
two
> to three hours a week in hot dry weather. This is switched off when we get
> summer rain.
>
> Regards,
>
> Mike Wilson
> Hunter Valley
>
>
>
>
>
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</pre>
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