Soil Report - Agriculture et Agroalimentaire Canada

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Table 33 . Definitions of species' symbols used for commer- Tree Site classes cial tree species in Table 32 species 1 + 1 2 3 4 5 Symbol Common name Scientific names Aw >,28 .5 26 .0 to 24.5 to 23.3 to 22.4 to \27 .5 >/31 .7 25 .4 to 27 .4 24 .2 to 23.6 to 25 .3 22.7 to 22.7 to 23 .5 21 .1 to 21 .4 to 22 .6 19 .6 to
Table 35. Explanation of terms and symbols used in the soil limitations column of Table 32 Symbol* Limitation Nature C,c Plant competition D,d Droughtiness E,e Erodibility K,k Carbonates M,m Excessive moisture Favourable plant growing conditions, such as adequate available moisture and nutrients enhance the growth of unwanted trees, shrubs, herbs, grasses and sedges . Moisture deficiencies caused solely or in combination by low rainfall, coarse textures and low watertables during the growing season may result in physical stresses and diminished productivity of commercial tree species on these sites. Soils with these limitations have been subjected to or have a high potential for wind and water erosion. See Soil Erosion Interpretations in this report . Excessive contents of soil carbonates (lime) will inhibit and eventually cause the mortality of several species (e.g . Pr, Pw) . Generally, the closer to the surface a soil reacts with 10% HC I, the greater the severity of the carbonate limitation . Tree suitability and productivity are limited by periods of excessive moisture during the growing season . Forest land management recommendation Intensive mechanical and/ or chemical site preparation is recommended before planting. Herbicidal tending techniques are recommended on severely limited sites after planting. Softwoods such as Pw, Sw, Pr and Le (see Table 33) should be planted on drier sites, and black locust, jack pine and Scots pine on the driest sites . Fire hazard precautions should be emphasized on these sites . Replanting will be more frequent on drier sites. Windbreak establishment and the planting of species tolerant to heavily eroded conditions (e .g. black locust) are recommended for these sites . High seedling mortality rates will occur . The planting of Sw, Sn, Le, and Ce on shallow to lime soils will reduce seedling mortality . Hardwood productivity is not significantly affected by high lime soils . Species which are tolerant to high watertables should be planted on these soils (e .g. Pw, Sw, Ce, Ag, Ms, His) . Symbol* Limitation Nature Nn Nutrient deficiency P,p Soil compaction R,r Shallow bedrock T,t Topography W,w Windthrow Nutrient deficiencies are usually caused by natural inherent infertility or past land management . Low organic matter and clay contents, extreme pH ranges and poor soil management contribute to infertility . Former glacial activity, soil genesis and the use of heavy machinery are the major causes of the development of soils with this limitation . Compacted soil layers may restrict root growth and reduce tree productivity . Shallow bedrock restricts the rooting and productive capacity of trees due to the shallow veneer (usually
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REGIONAL MUNICIPALITY OF HALDIMAND=
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INTRODUCTION The soil survey conduc
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1 . Condition of farmland in the Re
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MANITOBA Figure 1. General location
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TOWNSHIP OF NORFOLK K,bmel,es 5 0 5
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Ô rt-v., s o s ro Waterford Port D
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Table 3. Number and size of farms i
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mainly bedrock-controlled. Most of
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Figure 10 . Schematic landscape cro
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i Wattford soils I Figure 15 . Sche
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Figure 17. Location of regional wea
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Table 8. First field seeding or pla
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Mh Well-to moderately well-drained
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A vertical section through the expo
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Table 9 . Soils mapped in the Haldi
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(d) Very poorly drained 1 . Toledo
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Landformand Topography Most Berrien
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anges from nearly level on the lacu
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Parent Materials and Textures Colwo
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Figure 30. These Gobles coarse phas
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Parent Materials and Textures Kelvi
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Soil Moisture Characteristics Maple
Page 45 and 46: Landform and Topography Oakview soi
Page 47 and 48: Figure 37 . Vegetable crops, such a
Page 49 and 50: Styx Soils (SYX) Location and Exten
Page 51 and 52: Parent Materials and Textures Vanes
Page 53 and 54: strong brown to brownishyellow mott
Page 55 and 56: Parent Materials and Textures Wilso
Page 57 and 58: SOIL INTERPRETATIONS FOR AGRICULTUR
Page 59 and 60: Table 10. Agricultural land capabil
Page 61 and 62: (Footnotes for Table 10) tOrganic s
Page 63 and 64: (5) Table 12 . Agricultural land su
Page 65 and 66: Table 12. Agricultural land suitabi
Page 67 and 68: Table 14 . The relative effectivene
Page 69 and 70: Table 15. K-values, K-ranges and er
Page 71 and 72: Continuedfrom page 66 (c) Slope Gra
Page 73 and 74: Table 18. C-values for continuous a
Page 75 and 76: Table 20. C-values for horticultura
Page 77 and 78: (4) Soil Erosion Assessment Regiona
Page 79 and 80: (b) Site Specific Soil Loss Potenti
Page 81 and 82: Table 24. Estimated susceptibility
Page 83 and 84: v c a> ç C U a PROCEDURE : With ap
Page 85 and 86: Table 27. Description of wind erodi
Page 87 and 88: Table 28. Drainage characteristics
Page 89 and 90: (cm) 0- 20 . 40- 60 80- 100- . 0- 2
Page 91 and 92: Table 31 . Drainage code slope clas
Page 93 and 94: N Table 32. Soil interpretations fo
Page 95: Table 32 . Soil interpretations for
Page 99 and 100: 1 . Ontario Soil Survey. 1928 . Soi
Page 101: O %LLSONBUR6.WV¬COMBE,__ 1 7OWNSHI
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Soil Report - Agriculture et Agroalimentaire Canada

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