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| Description: Soil texture = the size of particles Clay (smallest), silt, sand (largest) Loam = soil with an even mixture of the three Influences how easy it is to cultivate and let air and water travel through the soil Silty soils with medium-size pores, or loamy soils with mixtures of pore sizes are best for plant growth and crop agriculture Soil structure = a measure of soil’s “clumpiness” Large clumps can discourage plant roots Repeated tilling compacts soil Plowpan = a hard layer resulting from repeated plowing that resists water infiltration and root penetration Soil pH = influences a soil’s ability to support plant growth Soils that are too acidic or basic can kill plants Soil pH = influences a soil’s ability to support plant growth Low pH (acidic), high pH (basic) Soils that are too acidic or basic can kill plants Picture Stats: Views: 271 Filesize: 90.19kB Height: 878 Width: 996 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=35720 |