Topsoil Calculator
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Always Green, Inc.
192 Poor Farm Road
Coventry, RI 02816

Phone: 401-623-0868


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Soil Preparation 


Properly prepared soil will directly reflect the health and appearance of the lawn for years to come. At the very least, we need a loosely raked surface, free of existing 
vegetation, on which to apply the hydroseed mix.

A high percentage of the plant and turf problems can be traced to and/or caused by poor soil environment. Construction sites become severely compacted which results in loss of space between soil particles and this impedes the movement of air, water and the ability of the roots to penetrate through the soil. The addition of a few inches of topsoil, spread over the top of compacted soils does little to improve the situation. The end result is a shallow rooted lawn that is highly susceptible to drought during the summer and flooded roots during the winter.

The best approach to correcting this situation is to amend the existing soil by tilling a 
decomposed organic matter into the existing soil (i.e. fertile compost, peat moss, etc.). If this approach is not possible due to rock or other reasons then the second option would be to import topsoil and spread to a depth of at least 6 inches.



5. Spread soil amendment (decomposed organic matter). Enough organic matter should be     added to physically change the texture of the soil to a depth of 5 to 6 inches. About 1-2     inches organic matter mixed into the top 4-6 inches of soil is usually sufficient (3-6 cubic     yards per 1,000 square feet). In addition to organic matter it is a good idea to also add     lime and a high phosphorus fertilizer at this time for a long term effect. Topsoil is a very     vague term. Most of the soils on the market locally are manufactured products and vary 
    a great deal in composition. Make some inquiries before purchasing.

6. Till this material down 5 to 6 inches.

7. Install underground sprinkler system (if desired). An underground sprinkler system is      extremely beneficial in maintaining a healthy lawn.

8. Establish the final grade.

9. Roll lightly (using water lawn roller half full) and rake (just before seeding to break up any     crust that has formed so the seeds have an excellent chance to bond with the soil) and     water lightly if ground is very dry. You should be able to put your index finger into the soil      up to your first knuckle with ease. 

10. Call us a few days before soil preparation is finished to schedule your custom 
      Hydroseed application. Once your soil is prepared we recommend seeding ASAP so 
      the soil does not get compacted especially from rain.

Soil Temperature Map
For larger areas, our power rake can loosen your compacted soil and make a perfect seed bed.

Top Soil / Loam Calculator

Simply enter the values (numbers only) and press the calculate button.

Total Area:

Desired thickness of top soil or loam:

You will need:

Contact Us

Always Green, Inc. is a locally owned and operated hydro seeding company servicing all of Rhode Island. Since 2004 we have been providing hydro- seeding and erosion control services for residential and commercial properties. We specialize in planting quality home lawns for a fraction of the cost of sod. 

In addition to our hydro seed and erosion control products, we continue to add additional services for all your landscape and lawn care needs. Explore our site to see all our products and services we offer.

How to prepare your soil for Hydro Seeding | Always Green Hydroseeding - RI

How to prepare your soil for Hydro Seeding | Always Green Hydroseeding - RI

1. Measure lawn area. Most prices for materials and services are based on amount of square feet.

2. Eliminate existing vegetation by tilling or have a professional apply herbicide.

3. Remove debris (rocks, sticks, etc.). Be sure to locate any stumps or major obstacles beneath the surface that may damage the tiller or other equipment.

4. Examine the soil. Soil is made up of sand, silt and clayparticles. The percentages of these ingredients determine the texture of your soil. Sandy soils let water and air pass readily by, however, they also dry out very quickly allowing nutrient levels to be flushed through the soil before they have a chance to do any good. Clay soils transfer water and air very slowly and cause soils to remain soggy while starving the roots of needed oxygen. Adding organic matter will greatly enhance both sand and clay soils. Establish a rough grade. Fill in low spots. Make sure to grade 
slopes away from house, sidewalk, driveway, etc. 
A fellow Hydroseed contractor best describes correct soil preparation.
Great advise from Travis Green that we can not stress enough. 
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