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Definition of top dressing

Top dressing is the direct application of a layer of compost and/or other organic matter onto grass. The thickness of this layer varies according to need but Ecolawn generally recommends a thickness of approximately 1/8 inch or 4 millimeters.

Top dressing using compost

Top dressing your lawn using compost offers several advantages over other fertilizing and grass-maintenance methods.

 

Fertilization

The single application of one layer of compost fulfills between 50 and 100 percent of the annual fertilizing needs of your lawn. Compost is the only slow-releasing soil amendment containing all of the necessary nutrients to maintain balanced levels of the following:

• Macro-elements : nitrogen, phosphorus and potassium
• Micro-elements : iron, sulphur, manganese
• Oligo-elements : copper, boron

Soil structure

Soil structure is extremely important in the endeavor to grow strong, healthy, green grass.  As an integral part of the soil-air-water-grass relationship, a well-structured soil will better retain water and its fertilizing elements.

Compost improves the structure of every type of soil-silt, sand, or clay; the intake of compost allows soil to be more porous, with better drainage, while furthering the transfer of gases and the development of new roots.
 

Microbial activity

Microbial activity is particularly important for growing and maintaining healthy grass. Excessive use of pesticides and synthetic fertilizer weakens the microbial activity, in addition to acidifying the soil. The application of compost stimulates microbial activity in the soil and balances the levels of nutrients.

Thatch decomposition

The microorganisms present in compost will transform the thatch (the layer of dead plant material in the grass) into an organic matter absorbed by the lawn.

Neutral pH

The organic matter contained in compost (around 60 percent) acts as a reserve, holding micronutrients until needed and allowing a more balanced pH level.

Conclusion

In summary, the beneficial results of top dressing make it the first step to a professional, complete, and ecologically responsible maintenance program. Top dressing with compost corrects several problems at their source and allows for healthy soil and grass.