The Brushpile

Spraying Glyposate/Roundup. Roundup is made by Monsanto, and Glyposate is the active ingredient. Generic brands that have Glyphosate as the active ingredient, like Eraser will do the same job as Roundup. "GLY" kills GREEN. Gly sprayed on the ground will not harm roots, but GLY sprayed on a green stem of a seedling, will harm the seedling, so I use a fan tip on my spayer.

 
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The fan tip on my sprayer sprays a line that can be controlled around the base on a seedling. This is the pattern a fan tip makes.

 
The normal tip sprays a round pattern that's difficult to control and will likely damage seedlings with drift or over spay.
 
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While spraying around seedlings use low pressure so that mist isn't created, and never spray when a breeze over 10 MPH can carry drift to non-target plants.

Under low pressure the spray pattern should look like this. For the purpose of demonstration I went round and round more than necessary. The point is to have low pressure with no drift.
 
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Some seedlings are forgiving, and will survive a mistake, but some trees only need to be touched by the slightest amount of GLY, and they will die. All pines are extremely sensitive to GLY. Using a shield protects the seedling. In this pic, the pot is the tree that's being protected by cardboard. The cardboard is slid into place and not dropped over the plant, because wet cardboard will damage the plant. As I go, I trim off wet cardboard or exchange cardboard that gets too wet.

With the pot as the tree, this is WRONG! Wet cardboard will touch leaves.
 
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If there's no helper, deciduous trees can be sprayed around with a fan tip, but not pines. The pot would work for protecting small seedlings if great care is taken to not allow the wet rim to touch the seedling. In this pic the pot could be over a small seedling, or the pot can represent a live seedling. Notice how the fan tip sprays to the base and is controlling where the spray contacts.

 
While a sprayer can be cleaned to switch from herbicide to pesticide, I prefer to have separate sprayers. Spraying apple trees with Gly would ruin my whole year!

 
I'm not a chemical expert, but have sprayed lots of GLY, because you can spray around 1000's of trees, and only put weed mats around a few.

I hope experts will join in and offer additional advice. I've learned from trial and error, and was initially afraid to spray around seedlings so I posted this basic tutorial. Questions and advice are encouraged.

I'll add that mistakes happen, so I always carry a pruner to cut off leaves and branches that come in contact with GLY. It's better to lose a branch than risk a seedling dying.
 
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Lumite solves weed problems. Hybrid Poplar was planted in Lumite to block the afternoon Sun on the pine seedling. Also the Lumite aids in locating seedlings that are planted along the edge, and moisture under the Lumite escapes around the edge, similar to growth along the edge of a highway or foundation of a house.

In a few years the HP will be cut, the Lumite recycled, and the pine will be established.

 
2-3 years have elapsed, the HP has been cut, and the pines have become an evergreen screen, replacing the HP. As the pines were growing the HP filled the void. Essentially two stages of forest succession occurred at the same time. This method isn't just for pines, I do it with everything to shelter trees in drought conditions.

In this case a fast temporary deciduous screen was created and replaced by an all season evergreen screen. Also notice that a row of Mulberry was planted on the opposite side of the Lumite... what to do, pines or Mulberry? This is a terrible problem to have. :)


 
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Above is Cockspur Hawthorn in Fall. The pommes taste like small apples, and are sweet.
 
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