The Soils of Elgin County - Agriculture and Agri-Food Canada

Table 13 .C values for common field crops in Elgin County (continued)Field CropPrevious CropManagementbefore cropRange **CValueMeanSpring grain corn (grain) F MP 0 .38(barley, oats, corn (grain) S MP 0 .34corn (silage) F MP 0 .31corn (grain) S MP 0 .26(2nd year after hay)corn (grain) S D/C 0 .18corn (grain) S D/C 0.15(2nd year after hay)Winter wheat corn, spring grain, orsoybeansF MP 0.29-0.30 . 0.29soybeans F Ch 0.24soybeans C 0.14-0.18 0 .16hay F MP 0.15F MP - fall moldboard plough or conventional tillage (plough, discleultivate twice, then plant)S MP - spring moldboard plough or conventional tillage (plough, dis%ultivate twice, then plant),S DEC - spring disc (D or cultivate (C) before plantingF Ch -fall chisel ploughS Ch/D - spring chisel plough (Ch) or disc (D)NT - no tillUS - underseeded;F & S Ch - fall and spring chisel ploughC - cultivate** For the C value ranges given, the higher values for each crop type and management practice are appropriate for situations where the soilis exposed for a long period of time, for example.(1) early fall ploughing;or (2) when spring planting is delayed after seedbed preparation due to poor climatic conditions, and/orfine texturedor poorly drained soils . The lower values are appropriate for situations whereoptimum management and/or climatic conditions prevail, andthey are also appropriate for sandy or well drained soils that can be worked early in the planting season.The mean C values given in the table should be used for general conditions, and also when the management history is not known.Some crops or management practices in the County may not be represented in this table due to insufficient data .