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Jerry writes

Which Merit product is best for systemic treatment of Holly shrubs? What is the proper dosage formula?

Answer:

Either Merit WP or the Merit WSP will work for your needs as the only difference between these products is how they are packaged. Merit WP is a 2 oz jar which works well for small jobs and Merit WSP is an envelope that comes with 4 water soluble packets for larger larger jobs. You will need to know the height of each holly shrub and you will use 0.7 to 1.4 level teaspoons per foot of shrub height. The amount of water that is used will vary depending on soil conditions and volumes that are easy for applicators to use. The minimum amount of water that should be used is 1 pint per foot of shrub height but you may use 1 quart -1 gallon of water per foot of height as well. Denser soils such as clay do not accept water as readily, so the lower volume of water is suggested.  Since sandy soils can accept more water, using the higher volume of water is preferred.

Answer last updated on: 04/01/2011

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Merit 75 WSP

Merit 75 WSP

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