. Agriculture [microform]. Agriculture; Agriculture. NATURE AND ORIGIN OF THE SOIL. 35 these cracks and fill thcin up. Then winter comes on and the water in the cracks freezes. What will happi'ii then ? just what ha|)jx'ns when the l)arrel ol rain water Iree/.es, or the down pipes on die house hve/e solid, or the bottles ofc^anned fruit in the cellar freeze. 'I'here will he a bursting. And even th(mgh the (juantity of watir is small, it must expand, the rocks must give to make loom for it. The cracks are made larger, a little of the surface is broken away, or a huge shoulder ..«^ ofther(i(k is
. Agriculture [microform]. Agriculture; Agriculture. NATURE AND ORIGIN OF THE SOIL. 35 these cracks and fill thcin up. Then winter comes on and the water in the cracks freezes. What will happi'ii then ? just what ha|)jx'ns when the l)arrel ol rain water Iree/.es, or the down pipes on die house hve/e solid, or the bottles ofc^anned fruit in the cellar freeze. 'I'here will he a bursting. And even th(mgh the (juantity of watir is small, it must expand, the rocks must give to make loom for it. The cracks are made larger, a little of the surface is broken away, or a huge shoulder ..«^ ofther(i(k is burst off. (Iradually, I *«.^ year by year, the rocks are thus broken u[) by the frost, the atmos- phere wears them away, and the rains wash them down, 'I'he rocky cliffs are slowly brc^ken down, and the ice, as it slowly moves down the sides of the mountain, scrai)es and scratches off more and more. This. Sad haarVng porUot Fig. tQ —Soil formed from liill rock- .-\l .1 distance, n is solid rock of a hill or Rock at y rain and fmsi and llirown ddwn to foot i>t lid! ; coarsest rock lies in heaps forming soilless pinion ; liner rock has lieen carried further down where some plants, ,is trees and i,'rass, Krow. I'"inesl soil is helm; washed into the stream to he carried away and spread out, forming layers of soil more ur less level, on w hich crops are j^rowii material is washed away-the larger ])ieces but a short dis- tance, the smaller pieces further, and the finest sand and clay carried far away, to he dropjied t)r spread out st)mewhere to make soil. Seeds are dropjied by the birds or blown by the winds; some [)lants sprout, grow, die and decay, and Inrm a. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original James, C. C. (Charles Canniff), 1863-1916. Toronto : G. N. Morang
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Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
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Keywords: ., bookauth, bookcentury1800, bookdecade1890, booksubjectagriculture
