m
m
Line 11: Line 11:
 
<td>Total phosphorus (% dry wt)</td>
 
<td>Total phosphorus (% dry wt)</td>
 
<td>0.036 - 0.41</td>
 
<td>0.036 - 0.41</td>
<td>0.3</td>
+
<td>0.036</td>
 
</tr>
 
</tr>
 
<tr>
 
<tr>
 
<td>Total nitrogen (% dry wt)</td>
 
<td>Total nitrogen (% dry wt)</td>
<td>0.39 - 0.5</td>
+
<td>0.24 - 0.5</td>
<td>0.5</td>
+
<td>0.45</td>
 
</tr>
 
</tr>
 
<tr>
 
<tr>
Line 49: Line 49:
 
</tr>
 
</tr>
 
<tr>
 
<tr>
<td>Total calciium (%)</td>
+
<td>Total calcium (%)</td>
<td></td>
+
<td>0.18-0.47</td>
<td>0.18</td>
+
<td>0.40</td>
 
</tr>
 
</tr>
 
<tr>
 
<tr>
 
<td>Total magnesium (%)</td>
 
<td>Total magnesium (%)</td>
<td></td>
+
<td>0.11-0.47</td>
<td>0.11</td>
+
<td>0.36</td>
 
</tr>
 
</tr>
 
<tr>
 
<tr>
 
<td>Total copper (mg/kg)</td>
 
<td>Total copper (mg/kg)</td>
<td></td>
+
<td>3.1-10.3</td>
<td>10.3</td>
+
<td>4.2</td>
 
</tr>
 
</tr>
 
<tr>
 
<tr>
 
<td>Total zinc (mg/kg)</td>
 
<td>Total zinc (mg/kg)</td>
<td></td>
+
<td>4.0-9.8</td>
<td>4</td>
+
<td>7.5</td>
 
</tr>
 
</tr>
 
<tr>
 
<tr>
 
<td>Total manganese (mg/kg)</td>
 
<td>Total manganese (mg/kg)</td>
<td></td>
+
<td>12.5-92</td>
<td>92</td>
+
<td>17</td>
 
</tr>
 
</tr>
 
<tr>
 
<tr>

Revision as of 13:54, 19 February 2020

Chemical and physical properties of coir.
Link to this table

Property Range found in literature1 Median value from literature
Total phosphorus (% dry wt) 0.036 - 0.41 0.036
Total nitrogen (% dry wt) 0.24 - 0.5 0.45
Total potassium (% dry wt) 0.4 - 2.39 0.819
Total carbon (%) 42 - 49 47.1
Total hydrogen (%) 4.4
pH 4.9 - 6.9 5.9
Cation exchange capacity (cmol/kg) 31.7 - 130 50
Electrical conductivity (ds/m) 39 - 2900 582
Total calcium (%) 0.18-0.47 0.40
Total magnesium (%) 0.11-0.47 0.36
Total copper (mg/kg) 3.1-10.3 4.2
Total zinc (mg/kg) 4.0-9.8 7.5
Total manganese (mg/kg) 12.5-92 17
Bulk density (g/cm3) 0.025 - 0.132 0.06
Water holding capacity (% by wt) 137 - 1100 566
Total pore space (%) 85.5 - 98.3 95.2

Primary references for this data:

  • Cresswell
  • Abad et al., 2002
  • Abad et al., 2005
  • Asiah et al., 2004
  • Kumar et al., 2010
  • Lodolini et al., 2017
  • Shrestha et al., 2019