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Magnesian Lime

Categories: APPLYING LIME

Some limestone is a nearly pure calcium compound, and

yields a pure lime, while much limestone contains a high percentage of

magnesia. The latter is preferred by manufacturers who furnish

pulverized lime because it does not slake readily, and is less liable

to burst the packages before required for use. A pound of magnesian

lime will correct a little more acid than a pound of pure lime, and no

preference may be shown the latter on that score. There are soils in

which the proportion of magnesia to pure lime is too great for best

results with some plants, as plant biologists assure us, but there is

too little definite information respecting these soils to justify one

in paying more for a high calcium lime than for a magnesian lime when

it is to be used on acid land. The day may come when more will be

known, but the rational selection to-day is the material that will do

the required work in the soil for the least money.



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