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Protocol for Necrotic Ring Spot

BioVam Mycorrhiza - Overgrowing Necrotic Ring Lawn Disease

BioVam helps new grass seed grow in the dead zone of Necrotic Rings.
BioVam works with sprouting grass seed and strengthens new growth so it can overcome the effects of Necrotic Ring fungi.  Mycorrhiza in BioVam simply makes healthy grass stronger so that it can over run the dead zone of Necrotic Rings.  It's an issue of raising the health of grass so it can out compete with the destructive fungi in the Necrotic Ring and resisting intrusion of the Necrotic Ring fungi into that grass.

Site preparation:   We have developed a procedure to prepare the turf grass in the vicinity of the Necrotic Ring before the BioVam, grass seed, and Biosol Mix fertilizer is applied. First, use a thatch rake to take up any moss, or any material that is not part of the turf grass in the area. If weeds are present, pull them out. Get down to the dirt using that rake! Rake an area over the entire ring to about one-foot out from the outer edge of the Necrotic Ring. Keep the material off other areas of your turf grass, rake it to the center of the Ring. Bag up the material and properly dispose of it. Next, poke several deep holes 6 to 8 inches deep in and through the area from one foot outside of the outer edge of the Necrotic Ring all through the Ring - a pitchfork can be used for this purpose.  In our picture below, we are using a customized spike aerator. Pepper the area with holes. Wash off the tools so you are not spreading the Necrotic Ring fungi around your property or other people's property.

Application:   We advise evenly applying a quarter cup of BioVam to each Necrotic Ring up to 2 feet in diameter.  Evenly sprinkle the BioVam over the entire area from one foot outside the outer edge of the Ring. A small drop spreader set on low numbers, like one or two works great in achieving this evenly. Apply grass seed over the entire area.  Use a seed that matches your existing turf.  When it germinates, the BioVam will help build up the roots and the grass will overgrow the entire area.  Use a rake to lightly work the grass seed into the soil. Spread a thin 1/8 to 1/4 inch layer of fine peat moss over the seed to help keep the seed moist and help keep it out of sight of the birds. Apply one cup of Biosol Mix over the top of the peat moss and water the area well to soak (not flood) the BioVam into the soil around crown roots and into aeration holes and down to the deeper grass roots. Keep the treated area moist until the seed germinates and is well established. Do not allow the area to dry out! A fan nozzle works well for small area watering like this.

Maintenance: From here on out, do not apply chemical fertilizers in this treatment area. It will inhibit and possibly stop the Mycorrhizal process you just set into motion above. Instead, we highly recommend that you treat the rest of your lawn with a normal application of BioVam Mycorrhiza and Biosol Forte 7-2-1 fertilizer yearly, starting preferably at the same time you treat your Necrotic Ring(s). Since Necrotic Rings are soil (spore) born, treating your whole yard will greatly lessen the chance of anymore popping up elsewhere in your lawn! This disease does not stay local to where they appear and are doing damage.

We feel that this is a powerful testament to the effectiveness of BioVam and to the "health" of "BioVam Grown" lawns. In over 40 years of combined Home and Garden Center retail management experience we have never seen anything perform in this fashion, naturally or not. Not just on the Necrotic Rings but with the lawn as a whole.

Necrotic Ring 05-04-99

This picture, taken 5/4/99, shows a severe Necrotic Ring with bare ground in the center.  Even weeds would not grow in this Necrotic Ring.  The property owner tried sod plugs and seed, but had no success with either method.

Necrotic Ring 05-04-99 - aeration.

This picture, taken 5/4/99, shows how we peppered the Necrotic Ring with holes using our customized spike aerator.  A pitch fork would suffice to do this part of the job.  Be sure to go out a foot from the edge of the Ring.

Necrotic Ring 05-04-99 - BioVam and Grass seed.

This picture, taken 5/4/99, shows the treated Necrotic  Ring after we had applied 1/4 cup of BioVam and the grass seed.   Mix the grass seed into the soil with a rake.  Apply the BioVam and the seed out one foot from the edge of the Necrotic Ring.  Add fine peat moss and the Biosol Forte 7-2-1 fertilizer and moisten with water.

Necrotic Ring treated result 8/3/99

This picture, taken 8/3/99, shows the new growth of grass over this Necrotic Ring.  The property owner was elated that we could solve this problem so quickly.  He had been fighting with this problem without success for a number of years.

Other examples at this same site

Necrotic Ring untreated 5/4/99

05/04/99  Before (untreated above)

Necrotic Ring treated result on 8/3/99

08/03/99  After (treated above)

Necrotic Ring untreated 5/4/99

05/04/99  Before (untreated above)

Necrotic Ring treated result 8/3/99

08/03/99  After (treated above)

Our testing thus far has been very positive. At the above site, the property owner had been battling one of the Necrotic Rings for several years. Our procedure produced the results shown above. As you can tell by the dates on the pictures above, this is a fast process. Results will vary from one site to another depending upon the severity of the Necrotic Ring fungi, soil conditions, type of grass, preparation procedures, watering and the amount of sunlight, etc. And whether you sustain this Mycorrhizal process through annual treatment and maintenance with BioVam Mycorrhiza and Biosol Forte 7-2-1 fertilizer on the whole lawn thereafter.


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