The World Book Encyclopedia, Tom 4Field Enterprises Educational Corporation, 1960 |
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Strona 7
... produced . Such mixtures may contain ground corn , ground oats , soybean meal , salt , bone meal , and various minerals . When the cow is feeding on high- grade hay made up of leguminous plants such as alfalfa , clover , or lespedeza ...
... produced . Such mixtures may contain ground corn , ground oats , soybean meal , salt , bone meal , and various minerals . When the cow is feeding on high- grade hay made up of leguminous plants such as alfalfa , clover , or lespedeza ...
Strona 286
... produced the same effects . Many drugs obtained from plants are used in medicine today . Some of the more important plant drugs are aconite , digitalis , quinine , benzoin , colchi- cine , ergot , opium , morphine , cocaine , belladonna ...
... produced the same effects . Many drugs obtained from plants are used in medicine today . Some of the more important plant drugs are aconite , digitalis , quinine , benzoin , colchi- cine , ergot , opium , morphine , cocaine , belladonna ...
Strona 320
... produced brighter colors . Various kinds of rocks were pounded to a powder and used for dyes . Certain black muds and also water con- taining minerals such as sulfur were used . Today both the natural and mineral dyes have been almost ...
... produced brighter colors . Various kinds of rocks were pounded to a powder and used for dyes . Certain black muds and also water con- taining minerals such as sulfur were used . Today both the natural and mineral dyes have been almost ...
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