. Soils, their properties and management . 11430 85167 44 59115 35 58 2,404437 1,8872,937 7541,0101,414 272 85 9,5376,3043,8034,2374,7041,7041,904775 115 11,87012,37010,0035,1377,2044,2041,8041,408 492 15,037 13,204 13,703 8,370 9,537 5,070 870 8,125 20,037 15,7046,0572,370 12,037 1,637 487 12,358 1,342. 9^ /^ o /oo Fig. 26. — The effects of texture, humus, and moisture on the cohesion of soils. 180 SOILS: PROPERTIES AND MANAGEMENT The relationships aheady spoken of are especially wellshown by the curves (see Fig. 26), particularly the ellectof the moisture content on cohesion. In a heavy soil
. Soils, their properties and management . 11430 85167 44 59115 35 58 2,404437 1,8872,937 7541,0101,414 272 85 9,5376,3043,8034,2374,7041,7041,904775 115 11,87012,37010,0035,1377,2044,2041,8041,408 492 15,037 13,204 13,703 8,370 9,537 5,070 870 8,125 20,037 15,7046,0572,370 12,037 1,637 487 12,358 1,342. 9^ /^ o /oo Fig. 26. — The effects of texture, humus, and moisture on the cohesion of soils. 180 SOILS: PROPERTIES AND MANAGEMENT The relationships aheady spoken of are especially wellshown by the curves (see Fig. 26), particularly the ellectof the moisture content on cohesion. In a heavy soil thecohesion increases steadily from a saturated condition untildryness is reached, the increase becoming accelerated asthe percentage of moisture decreases. This is because 4o 30 20
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