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Old 07-01-2012, 07:55 PM
Smallaxe Smallaxe is offline
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Join Date: May 2007
Location: Central Wisconsin
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Originally Posted by RigglePLC View Post
... My professor friend says that necrotic ring spot damage is much reduced by light daily irrigation. "Grass does not turn brown at night. Water during the hot part of the day. Use about 1/10 of an inch. Grass has maximum transpiration during the heat of the day. This is when the roots cannot keep up because they cannot pull enough water out of the soil fast enough to satisfy the transpiration demand." ...
That is an interesting point about NRS, that I don't recall hearing about before...

Cooling the grass and wetting the leaves makes sense to a certain degree also... and I believe what is said about the sun being the culprit as well when it comes to the wiltdown...
As soon as a cornfield edge comes into shade you can see the 'relief' in those stalks... Morning Glorys will come back to life as soon as the shade hits the garden after afternoon sun... cloudy days in the 90s are less severe to the plants than 70s in full sun this time of year...

There really is no reason to assume that grass would behave/feel differently...
Now that I know that clay's texture(platelets) has nothing to do with water infiltration, percolation, or drainage
,,, I wonder what does...
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