Chapter
Chapter 7 Potassium in the soil
Chapter 8 Magnesium in the soil
Chapter 9 Trace elements in the soil
Chapter 11 Sulphur in the soil
Chapter 12 Aluminium in the soil
Chapter 14 Soil analysis results
Chapter 15 Encouraging soil biological activity
Chapter 17 Biological farming
Chapter 18 Components of soil fertility
Chapter 19 When to apply fertilisers to plants
Chapter 21 Repairing and preventing soil erosion
Chapter 22 Soil compaction
Chapter 23 Soil structural decline
Chapter 24 Water movement in soil
Chapter 25 Urbanisation in rural areas
Appendix 1 Preferred pH(water) ranges for some agricultural crops
Appendix 2 The pH (H2O) scale
Appendix 3 Electrical conductivity (in dS/m)
Appendix 4 Salt tolerance of some agricultural crops showing maximum ECe values in dS/m for no yield reduction
Appendix 5 Total soluble salts
Appendix 6 Chloride (as % NaCl)
Appendix 7 Organic carbon (%) and total nitrogen (%)
Appendix 8 The nitrogen cycle
Appendix 9 The chemistry of the carbon cycle
Appendix 10 Mathematical conversions
Appendix 11 The organic matter cycle
Appendix 12 The different processes of slaking and dispersion
Appendix 13 Organic matter levels relative to rainfall for surface soils (0–10 cm)
Appendix 14 Nutrient deficiencies in plants: a quick guide
Appendix 15 Average nutrient content of animal manures (as a percentage)
Appendix 16 Mineral elements in plants
Appendix 17 The average composition of the plant
Appendix 18 The influence of chemical fertilisers on pH
Appendix 19 Physical properties of soil
Appendix 20 The four main types of structure that occur in mineral soils
Appendix 21 Plant–soil–water relationships
Appendix 22 Readily available water required
Appendix 23 Cumulative infiltration of water
Appendix 24 Average infiltration rates for some soil types
Appendix 25 Assessing soil texture by feel
Appendix 26 Texturing soils using a soil bolus
Soil Essentials
：Managing Your Farm's Primary Asset
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