Table 1 Basic information of the three experiments
Experiment | Year | Cultivar | Soil water potential | Sampling stage | Sowing/Harvesting date | Soil characteristics |
|---|---|---|---|---|---|---|
Exp.1 (Hefei, 31° 48′ N, 117° 23′ E) | 2021 | Hanyou 73 (HY-73) Huanghuazhan (HHZ) Huaidao 5 (HD-5) | 0 KPa − 15 KPa − 30 KPa | Booting Flowering Initial grain filling Middle grain filling | July 5th / November 20th | Type: sandy loam soil Organic matter: 14.81 g kg−1 Total N: 0.97 g kg−1 Available P: 21.06 mg kg−1 Available K: 96.29 mg kg−1 |
Exp.2 (Hefei, 31° 48′ N, 117° 23′ E) | 2022 | Hanyou 73 (HY-73) Huanghuazhan (HHZ) Huiliangyou 898 (HLY-898) | 0 KPa − 15 KPa − 30 KPa | Booting Flowering Initial grain filling Middle grain filling | May 23th/ September 26th | Type: sandy loam soil Organic matter: 15.39 g kg−1 Total N: 1.00 g kg−1 Available P: 22.67 mg kg−1 Available K: 98.10 mg kg−1 |
Exp.3 (Fuyang, 32° 39′ N, 116° 15′ E) | 2022 | Hanyou 73 (HY-73) Huanghuazhan (HHZ) | 0 KPa | Booting Flowering Initial grain filling Middle grain filling | May 26th/ September 29th | Type: sandy loam soil Organic matter: 17.77 g kg−1 Total N: 0.95 g kg−1 Available P: 14.18 mg kg−1 Available K: 65.23 mg kg−1 |