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Discussion in 'General Industry Discussions' started by cpllawncare, May 10, 2011.
river rock is limestone then? do you wash it yourself?
No, river rock is a multitude of rocks, some being granite.
River rock is generally washed or screened at the pit it comes from.
Pea gravel is a good example, just the smallest version of river rock. The reason there is no fines or dirt in it is usually because it is washed.
The river rock i get has a white colored dust on it.
Who the hell would use limestone as a landscape rock?
Hmmmmm. Might be lime dust. Could just be coming from the stock yard and extra dust flying in the air.
Most of the time the rock we get has sand in it from the river beds. It's always brown.
I was waiting for that.....
Never in my MG training did we ever discuss lime leaching from rock beds. Not sure where this lady came up with it in the first place.
Here is the bed in question.
Please excuse my nasally, midwestern, red-neck voice.
Why not lime from limestone? My point was, why the hell are you using it in the first place? Certainly if you do, because of availability reasons, I would hope you are using it on an acidic soil.
I can see that.
My thinking is that the white from the limestone/white rock reflects the light up to plant thus helping to create a scorching condition on the plants themselves.
Then you have black granite that absorbs heat and can create a heat sink in the beds and scorching the roots.
But, it's all about location, availability and soil conditions.
And, not discussing it in our MG training just kinda goes in line with this lady saying she is an MG and giving out false information.
Different parts of the country have different typesof rock... our river rock has a large blend of materials and a wide variety of choices... mostly sandstone, but we quarry just about any type of rock imaginable...
Does the MG program teach that all stones in IL are limestones or did they teach her that all stones leach lime???
Are they able to discern the difference???
I would have more respect for an educational program that taught,,, something other than "One Size Fits All" type of generic theories...