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<td>Hydraulically applied mulches</td> | <td>Hydraulically applied mulches</td> | ||
− | <td> | + | <td>1.5 to 2.5 tons per acre</td> |
<td>Easily and rapidly applied with sprayer equipment; can include seed, fertilizer, flexible/fibrous mulches, and soil binders</td> | <td>Easily and rapidly applied with sprayer equipment; can include seed, fertilizer, flexible/fibrous mulches, and soil binders</td> | ||
<td>Could be too expensive for small or very remote sites; after application, must dry for at least 24 hours before rainfall</td> | <td>Could be too expensive for small or very remote sites; after application, must dry for at least 24 hours before rainfall</td> |
Mulch types application rates benefits, and limitations
Link to this table
Mulch Type | Application Rate | Benefits | Limitations |
---|---|---|---|
Straw, hay, or other grasses | 1.5 to 2.5 tons per acre | Readily available and inexpensive; very effective in controlling erosion; can be applied on large sites via blower | Can carry unwanted seeds; might need tackifier or anchoring,
especially on steep slopes |
Wood chips, bark, sawdust | 5 to 8 tons per acre | Very low cost in some locations; chips can be effective on slopes up to 30% | High nitrogen demand when decomposing; can float away or blow away during rain storms |
Rock | 200 to 500 tons per acre | Could be inexpensive and readily available in some locales; might be suitable for smaller sites | Inhibits plant growth; adds no nutrients to the soil; can be costly to apply on slopes and large sites; adds hardened look to slopes |
Hydraulically applied mulches | 1.5 to 2.5 tons per acre | Easily and rapidly applied with sprayer equipment; can include seed, fertilizer, flexible/fibrous mulches, and soil binders | Could be too expensive for small or very remote sites; after application, must dry for at least 24 hours before rainfall |