. The principles of agriculture, a text-book for schools and rural societies . Fig. 14. Sides too steep. roots cannot penetrate deeply into the soil. When the droughtcomes the surface is first affected, and the plants suffer at is a well-known fact that tap-rooted plants are admirablyfitted to withstand dry weather. Their feeders are deep in thesoil. It is this condition which is obtained to a certain extent byunder-drainage. The soil above the drain is made porous, thewater which cannot be held by capillarity is quickly removed, theair penetrates, the soil becomes warm and congenial.
. The principles of agriculture, a text-book for schools and rural societies . Fig. 14. Sides too steep. roots cannot penetrate deeply into the soil. When the droughtcomes the surface is first affected, and the plants suffer at is a well-known fact that tap-rooted plants are admirablyfitted to withstand dry weather. Their feeders are deep in thesoil. It is this condition which is obtained to a certain extent byunder-drainage. The soil above the drain is made porous, thewater which cannot be held by capillarity is quickly removed, theair penetrates, the soil becomes warm and congenial. Thus. J-ig. Ii. Showing the coiiditiou whichprevails in spring on cold, nndrainedsoils,—when the water-table is toohigh.
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Keywords: ., bookcentury1900, bookdecade1910, bookpubl, booksubjectagriculture
