Soil Management Handbook - Ministry of Agriculture and Lands

List Of Figures
Figure 1: Volume composition of a silt loam surface soil in good condition for plant growth
Figure 2: Soil texture classes. Percentages of clay and sand in the main textural classes of soil; the
remainder of each is silt
Figure 3: Schematic drawing of root growth in well-structured and poorly-structured soil
Figure 4: Effect of cropping practices on soil aggregation
Figure 5: The effect of compaction on pore space
Figure 6: The effect of compaction on crop root growth
Figure 7: Puddling of soil particles
Figure 8: Effects of drainage on soil moisture
Figure 9: Effects of wheel traffic on soil
Figure 10: Bulk density profiles before and after tractor wheel passage
Figure 11: Schematic drawing of the effect of tillage practices on soils
Figure 12: Soil Sampling Methods for Orchards
Figure 13: X-pattern sampling method
Figure 14: Schematic drawing of the action of rotary cultivation
Figure 15: Rotary Spade
Figure 16: Power Harrow
Figure 17: Schematic drawing comparing the effect of shovel and chisel cultivation on soils
Figure 18: Schematic drawing of the action of disc implements
Figure 19: Schematic drawing of the effect of plowing on soils
Figure 20: Cross-section showing soil disturbance caused by subsoilers working just above and just
below the critical depth
Figure 21: Conservation Tillage – A Systems Approach 87
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