Farmers lime their hay fields and pastures all the time without tilling. Although lime does not readily "dissolve" like fertilizer, it does not have to be incorporated to be beneficial. If top dressing, it is best to put it on well in advance of when the growing season starts, as it can take a year or more for the lime to incorporate -- the amount of time depends on the soil type, the ph, the type of grass, and the rainfall.
Agricultural lime itself has no toxic properties, but horses should be removed until after a rain because of the dust. Hydrated lime is caustic and can burn so should not be used on pastures.
-- There are two ways to slide easily through life -- to believe everything or to doubt everything. Both ways will save you from thinking.
Last edited by fishing_trex; 12-13-2009 at 10:40 AM.