Parameter | Before application | After application | |||
AP | NC50 | NC75 | NC100 | ||
pH | 7.45 | 6.20 | 6.09 | 5.85 | 6.26 |
Sand (%) | 68 | 77 | 69 | 67 | 71 |
Clay (%) | 16 | 14 | 20 | 18 | 10 |
Silt (%) | 16 | 9 | 11 | 15 | 19 |
Texture | loamy-sandy | loamy-sandy | loamy-sandy | loamy-sandy | loamy-sandy |
Organic matter (%) | 0.90 | 1.47 | 1.59 | 1.71 | 1.83 |
Real density (g∙cm−3) | 3.33 | 0.83 | 0.56 | 0.56 | 0.56 |
Apparent density (g∙cm−3) | 1.26 | 0.42 | 0.38 | 0.42 | 0.42 |
Field capacity (%) | 18.91 | 12.54 | 18.74 | 15.19 | 11.76 |
Permanent wilting point (%) | 10.28 | 6.28 | 10.18 | 7.95 | 5.80 |
Usable moisture (%) | 8.62 | 6.26 | 8.56 | 7.24 | 5.97 |
Irrigation lamina (cm) | 4.80 | 4.83 | 5.71 | 4.17 | 3.98 |
Porosity (%) | 62.16 | 49.40 | 32.14 | 25.00 | 25.00 |
Electric conductivity (dS∙m−1) | 1.42 | 0.71 | 0.84 | 0.45 | 0.04 |
Cation Exchange Capacity (cmol∙kg−1) | 1.40 | 1.40 | 1.20 | 1.40 | 2.00 |
Total Nitrogen (%) | 0.024 | 0.007 | 0.007 | 0.430 | 1.269 |
Phosphorus (%) | 0.002 | ND | ND | ND | ND |
Potassium (%) | 0.004 | ND | ND | ND | ND |
Calcium (%) | 0.028 | 0.020 | 0.044 | 0.047 | 0.052 |
Iron (%) | 0.0043 | 0.0019 | 0.0027 | 0.0030 | 0.0029 |
Manganese (%) | 0.0001 | 0.0001 | 0.0003 | 0.0003 | 0.0003 |
Bicarbonates (%) | 0.0491 | 0.0184 | 0.0061 | ND | 0.0061 |
Chlorides (%) | ND | 0.0048 | 0.0064 | 0.0096 | 0.0032 |
Sulfates (%) | 0.0257 | ND | ND | ND | ND |