Rush Creek, MN

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S.T.Fanatic
Posts: 1127
Joined: Mon Apr 04, 2011 7:42 pm

Re: Rush Creek, MN

Post by S.T.Fanatic »

Just wondering if fast growing annuals like oats and or rye are used to give some ground cover while the root system of the slower growing grasses take hold? I know how important rock is with holding disturbed soils and that native grasses take a good 2-3 years to reach adequate root levels to hold soils back.
“What more delightful avocation than to take a piece of land and by cautious experimentation to prove how it works. What more substantial service to conservation than to practice it on one's own land?” Aldo Leopold

brntrout
Posts: 3147
Joined: Tue Apr 05, 2011 8:26 am

Re: Rush Creek, MN

Post by brntrout »

STF,

Oats, winter wheat and rye have been used as cover crops that allow time for slower growing grasses to get established.. Of course, if it floods right away after a project is completed there will be erosion problems that will need to be addressed immediately. Now days, most of the time projects will receive "minor" bank slopping repairs and reseeding at least once or twice before a project gets finished. The one thing most people involved with stream work seem to forget is bank slopping will change soil compaction and make it easier for high water events to wash out banks before seeding can get fully established. So in reality because of soil compaction changes it takes at least 2 to 3 years no matter what type of seed is used.

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