One glance at the list below and it will quickly become clear that hydroseeding enjoys numerous advantages over tradition broadcast (dry seeding) methods.
- More Effective
Hydroseeding is almost always more effective than traditional broadcast seeding methods. There are a number of reasons for this:
- The Mulch
This is one of the reasons why hydroseeding is often referred to interchangeably as hydromulching. The mulch is that important. In traditional broadcast seeding, the dry seed is spread first and then straw is spread over the application, ostensibly to keep the seed from blowing away and to inhibit birds from eating it. Notwithstanding the obvious (that straw can blow away and birds can pick around it), there are several other problems with this type of mulch. The first is that it does little to inhibit premature evaporation. Soil moisture is critical for grass to grow. A good seeding will therefore retain moisture for as long as possible. This is achieved by default with hydroseeding; not only is moisture laid down withthe seeding, but the hydroseed coating protects against evaporation in a way that no straw can. Secondly, a straw covering is notorious for carrying “weed seed”. Now to be fair, there will likely be a bit of weed seed in the soil anyway. But why aggravate the situation further by adding it to the seeding process itself? You want grass, not weeds. Another factor is breakdown. As straw breaks down it can leach nitrogen from your soil. By contrast, when wood fiber mulch breaks down, it will actually add to the humus content, creating a healthier underlayer for your turf. Finally, a hydromulch is far superior for protecting against soil erosion, another critical factor. On it’s own, the wood fiber that can be included in a hydromulch slurry will do wonders to inhibit soil erosion. But hydromulching (or hydroseeding) also allows for the addition of a tackifier, a kind of organic “glue” that helps to bind the mulch to the underlying soil. So, while straw can help to some degree in the area of inhibiting soil erosion, it doesn’t take a rocket scientist to conclude that a hydroseed crust will perform much better.
- The Seed
Hydroseeding allows for custom seeding of your lawn with the types of grass that will do best for your soil, climate, irrigation, etc. In addition, you can have different types of seed used in different areas; e.g., one type of seed for the front lawn, one for high traffic areas, and another for shady or overly sunny areas. With broadcast seeding you’re likely to improperly overlap in these areas or, worse, neglect certain sections altogether.
- The Fertilizer
Combined with the effects of the superior mulching (see above), the fertilizer that is included in a hydroseed slurry will do much to promote excellent growth of your grass. This, too, can be custom tailored to your project. It is not unusual to combine several different types of fertilizer, all of which can be combined in a single application.
- Even Distribution
Seed spreaders do a generally decent job of spreading the seed in a broadcast seeding application. However, in many cases, it’s very difficult to know exactly what areas are covered and what areas aren’t. This is never an issue with hydroseeding. The dye that is included in the slurry — and for that matter, the process itself — gives instant feedback to the spreader (and anyone watching) that there is in fact 100% coverage. You want your entire project to look great. Avoid the uneven, clumpy effect of broadcast seeding by insisting on hydroseeding.
- Hydroseeding is Quicker
All other things being equal (which they’re not), hydroseeded lawns will also typically come in faster. In fact, it is not unusual to see early growth in as little as five or six days. And of course, the faster a la
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