Durst-
Let me do a quick review of what I know about beneficial nematodes.
Check the date on the package at the store and make sure it's current. These are live worms and they have a "shelf life". If you can't get them out right away, place them in the fridge. There are usually two sizes, small = 8000 sq. ft, large = 15000. Some people go by so many million per area, I can't count that high. There are usually two packages in a batch and you apply them at two different times, a week or so apart. The optimum release time is early evening on moist soil. Mix the contents of the package into a bucket of water. Select your application method: water can, pump sprayer, hose end, big gulp cup, etc. Keep the solution stirred to prevent settling.
Keep the ground moist for a few days after application so they can migrate to a comfortable level. I have never heard about keeping the ground moist for two weeks. If you decide to do that you will not hurt your grass, as long as you return to an infrequent watering schedule. Also, if your ground is drying out as quick as you say, you may need to apply some organic material and begin to build the soil with fertilizers and teas. My soil stays moist for several days after I water so I think this a temporary condition that you can correct.
Tony
Last edited by Tony M* on Thu Jun 12, 2003 1:54 pm, edited 1 time in total.
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