Table 8.
The soil properties in two greenhouse trails with three successive LTM-m pre-plant treatments
| GHa | Date (2020) | pH (1:5) | EC (1:5) (dS/m) | OM (%) | Content (mg/kg soil) | Soil texture | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
|
||||||||||||
| Inorganic-N | Bray-1 P | Ex-K | Ex-Ca | Ex-Mg | Sand (%) | Silt (%) | Clay (%) | Texture | |||||
| B02 | 01/17 | 7.1 ab | 0.2 a | 3.4 b | 11.3 a | 208.0 c | 187.3 a | 1,850.4 a | 470.2 a | 39 | 60.1 | 0.9 | Silt loam |
| 03/21 | 7.2 a | 0.1 b | 3.6 b | 1.1 b | 218.2 b | 183.4 ab | 1,289.8 b | 271.9 b | |||||
| 05/08 | 7.3 a | 0.04 c | 4.2 a | 5.6 ab | 282.0 a | 176.0 b | 895.6 b | 221.8 b | |||||
| K07 | 01/17 | 7.0 b | 0.3 b | 2.3 a | 9.0 b | 64.0 a | 169.4 a | 1905.0 a | 402.5 a | 36 | 63 | 1 | Silt loam |
| 03/21 | 7.0 b | 0.5 a | 2.4 a | 16.9 a | 62.0 a | 120.7 b | 983.8 b | 182.3 b | |||||
| 05/08 | 7.4 a | 0.2 c | 2.4 a | 5.6 b | 60.5 a | 116.1 b | 895.6 b | 157.5 b | |||||
a
GH, greenhouse code; pH (1:5), the soil pH value was tested by adding 1 g soil in 5 ml water; EC (1:5), the soil electrical conductivity was tested with 1 g soil in 5 ml water; OM, organic matter; Bray-1 P, inorganic phosphorus; EX-K, Ca, Mg, exchangeable cation of K, Ca, Mg.
b
Means (n = 3) in the same column followed by the same letter are not significantly different (P = 0.05) according to Tukey’s b test.