Winter Tagro Biosolids Application on Lawn Exercise

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Winter Tagro Biosolids Application on Lawn Exercise

In part of our continued quest for finding viable uses of biosolids in regards to ongoing lawn maintenance, an opportunity presented itself not to be overlooked.

Materials Used...

Materials Used:


We had planted some grass seed late in the summer on some quality earth, but were lacking in nutrients. As the grass began to germinate and mature, it became understandably random in regards to fullness and richness. In late autumn when the grass growth began to slow, the yellowing of the grass blades indicated the nutrients had nearly been exhausted regardless of proper routine watering.

Possible Solutions:

With the typical autumn weather involving the rainy season and the retarded grass growth, adding Tagro biosolids at that pointe in time may have profited, but not may not have proven to be noticeable. A decision to wait until mid-winter were made to evaluate the biosolid’s absorption rate and run-off effects with a semi-frozen soil environment. Our theory suggests that absorption would naturally be slow, if at all, but will allow fresh biosolids to gently break down until the thaw of spring, thereby not shocking the grass and to eliminate the possible challenge of odours. The caveat would be the loss of valuable nutrients that biosolds have to offer with the potential run-off from the targeted areas, and where the soil in lower non-targeted areas of the lawn profiting instead. Another benefit of winter application would be that of tyre markings. With the soil in a semi-frozen state, and with the grass in a dormant sleep, vehicle or tractor tyres wouldn’t leave the unsightly witness marks normally produced when placing the Tagro additive.


A recent snow covered the treated area, followed by some temperatures around 0 ℃, of which lasted for a few days time. As the temperature warmed to around 7 ℃, a noticeable difference in treated area versus the surrounding grass revealed that the main treated area seems to act as a insulator with the Tagro additive.

More information will be presented in spring of 2018.