TABLE 1.
Treatments | pH | EC | Organic matter | Total N | Total P | Total K | Available P | Available K | Alkaline N |
(μS⋅cm–1) | (g⋅kg–1) | (g⋅kg–1) | (g⋅kg–1) | (g⋅kg–1) | (mg⋅kg–1) | (mg⋅kg–1) | (mg⋅kg–1) | ||
B | 6.870.04b | 1215.336.06a | 104.492.19b | 1.831.06b | 1.30.01a | 12.730.23b | 73.950.72a | 35.50.46c | 858.085.34b |
D | 6.730.06c | 957.674.41b | 113.592.19a | 2.570.23b | 1.320.05a | 14.50.15a | 70.870.14b | 46.830.12a | 861.472.44b |
Q | 7.070.01a | 413.332.03d | 94.441.83c | 2.330.23b | 10.01b | 9.90.06d | 66.450.48c | 14.470.15d | 880.255.05a |
CK | 6.760.01c | 926.331.45c | 97.292.81c | 6.230.46a | 1.260.06a | 11.470.12c | 65.071.65c | 37.470.49b | 833.587.45c |
EC, electrical conductivity; PH, acidity, and alkalinity; B, D, Q, and CK are defined in Figure 1. Treatments B, D, and Q refer to crop rotation with Chinese cabbage, kidney bean, and celery, respectively. Control CK is continuous cropping with tomato.