Soil property and tomato yield | Field G | Field H | Field I |
Total nutrient amount and ratio |
|
|
|
TC (mg/kg) | 31,000a (±2000) | 33,000a (±1730) | 30,000a (±1730) |
TN (mg/kg) | 1000b (±170) | 1600a (±100) | 1700a (±87) |
C/N ratio | 31a (±4.2) | 21b (±1.6) | 18b (±1.9) |
TP (mg/kg) | 900b (±36) | 1100b (±44) | 1400a (±140) |
TK (mg/kg) | 3450a (±53) | 3500a (±92) | 3700a (±230) |
Soluble nutrient |
|
|
|
-N (mg/kg) | 45b (±6.6) | 83a (±8.2) | 63ab (±7.0) |
-N (mg/kg) | 8c (±2.0) | 41b (±4.4) | 60a (±6.6) |
Soluble P (mg/kg) | 14a (±3.6) | 21a (±6.6) | 23a (±4.6) |
Soluble K (mg/kg) | 46a (±4.7) | 46a (±8.5) | 29b (±6.2) |
pH and EC |
|
|
|
pH (1:2.5 soil-water; w/v) | 5.9a (±0.15) | 5.8a (±0.05) | 5.7a (±0.10) |
EC (ds/m) | 0.1b (±0.02) | 0.4a (±0.10) | 0.4a (±0.04) |
Tomato yield (kg/0.1 ha) | 3170b (±240) | 5960a (±390) | 5540a (±430) |