Table 4 Average values of (TDS, available K, and organic matter) analysis of the soil under two levels of gross water requirements (100 and 80%) at the end of the experiment during the seasons of 2019/2020 and 2020/2021.
The targeted treatments | The analysis | Unit | Value | Analytical method used | |
|---|---|---|---|---|---|
100% | 80% | ||||
Control | TDS | mg L−1 | 1259 e | 1445 a | Estefan et al.35 |
Available Potassium (K) | mg kg−1 | 48.7 a | 39.3 bc | ||
Organic matter | % | 0.03 c | 0.01 cd | ||
Kh | TDS | mg L−1 | 1231 ef | 1433 a | |
Available Potassium (K) | mg kg−1 | 38.3 bc | 36.0 bc | ||
Organic matter | % | 0.05 c | 0.02 d | ||
K2SO4 | TDS | mg L−1 | 1245 ef | 1441 a | |
Available Potassium (K) | mg kg−1 | 42.3 ab | 38.0 bc | ||
Organic matter | % | 0.04 c | 0.01 e | ||
Hgd | TDS | mg L−1 | 1218 f. | 1375 b | |
Available Potassium (K) | mg kg−1 | 33.0 c | 32.2 c | ||
Organic matter | % | 0.07 ab | 0.04 c | ||
Hgd + Kh | TDS | mg L−1 | 1198 f. | 1286 d | |
Available Potassium (K) | mg kg−1 | 28.0 d | 27.5 d | ||
Organic matter | % | 0.08 a | 0.06 bc | ||
Hgd + K2SO4 | TDS | mg L−1 | 1225 ef | 1320 c | |
Available Potassium (K) | mg kg−1 | 36.0 c | 29.2 d | ||
Organic matter | % | 0.06 bc | 0.05 bc | ||
Hsp | TDS | mg L−1 | 1192 f. | 1416 b | |
Available Potassium (K) | mg kg−1 | 28.0 de | 36.7 c | ||
Organic matter | % | 0.08 a | 0.04 c | ||
Hsp + Kh | TDS | mg L−1 | 1176 f. | 1383 b | |
Available Potassium (K) | mg kg−1 | 23.0 e | 33.8 c | ||
Organic matter | % | 0.05 c | 0.01 e | ||
Hsp + K2SO4 | TDS | mg L−1 | 1186 ef | 1398 b | |
Available Potassium (K) | mg kg−1 | 27.3 d | 35.0 c | ||
Organic matter | % | 0.04 c | 0.03 cd | ||
