Table 4. Dry matter accumulation at heading and maturity stage of different rice cultivars under different nitrogen and phosphorus rate in the early season of 2019 (kg/ha).
| Site | Treatment | Baixiang139 | Guiyu 9 | Y Liangyou 1 | Teyou 582 | Average |
|---|---|---|---|---|---|---|
| Heading | ||||||
| N180P90 | 6,697.1 ± 403.93abc | 6,888.6 ± 386.41abc | 8,055.0 ± 986.89ab | 8,541.9 ± 855.01a | 7,545.7 | |
| Binyang | N90P45 | 6,360.5 ± 900.03abc | 7,584.9 ± 1,127.33ab | 8,051.0 ± 1,260.84ab | 7,777.7 ± 512.36ab | 7,443.5 |
| N0P0 | 4,948.1 ± 1,725.84c | 6,117.8 ± 368.12bc | 5,949.5 ± 574.96bc | 7,280.3 ± 538.57ab | 6,073.9 | |
| Average | 6,001.9 | 6,863.8 | 7,351.8 | 7,866.6 | 7,021 | |
| N180P90 | 8,069.3 ± 1,280.14ab | 10,228.5 ± 1,520.39a | 8,925.3 ± 970.03a | 8,710.4 ± 147.70ab | 8,983.4 | |
| Beiliu | N90P45 | 8,660.4 ± 1,502.70ab | 9,158.9 ± 759.78a | 7,923.9 ± 1,201.95ab | 9,411.2 ± 1,088.72a | 8,788.6 |
| N0P0 | 4,942.7 ± 217.27b | 7,701.6 ± 1,371.37ab | 7,140.3 ± 783.79ab | 7,222.8 ± 184.64ab | 6,751.9 | |
| Average | 7,224.1 | 9,029.7 | 7,996.5 | 8,448.1 | 8,174.6 | |
| N180P90 | 6,367.8 ± 745.71ab | 7,467.0 ± 1,093.67ab | 8,109.8 ± 1,340.07a | 6,471.5 ± 2,637.84ab | 7,104 | |
| Liucheng | N90P45 | 6,194.9 ± 1,013.22ab | 6,937.2 ± 603.47ab | 8,369.0 ± 513.12a | 6,946.4 ± 71.40ab | 7,111.9 |
| N0P0 | 4,424.4 ± 864.94b | 6,289.4 ± 975.70ab | 5,945.0 ± 795.21ab | 5,883.0 ± 748.81ab | 5,635.5 | |
| Average | 5,662.4 | 6,897.9 | 7,474.6 | 6,433.6 | 6,617.1 | |
| Maturity | ||||||
| N180P90 | 9,752.1 ± 760.60bc | 10,694.0 ± 712.45abc | 14,656.8 ± 1,973.58a | 12,380.1 ± 1,746.95ab | 11,870.8 | |
| Binyang | N90P45 | 9,707.7 ± 1,305.80bc | 11,627.9 ± 77.92abc | 13,238.9 ± 301.60ab | 13,948.5 ± 3,501.99a | 12,130.8 |
| N0P0 | 8,323.4 ± 1,305.58c | 9,735.8 ± 371.20bc | 11,190.9 ± 1,874.89abc | 10,950.9 ± 538.05abc | 10,050.3 | |
| Average | 9,261.1 | 10,685.9 | 13,028.9 | 12,426.5 | 11,350.6 | |
| N180P90 | 14,076.9 ± 2,167.13ab | 12,074.9 ± 1,237.51ab | 14,144.1 ± 2,887.99ab | 13,709.1 ± 1,391.80ab | 13,501.3 | |
| Beiliu | N90P45 | 13,116.5 ± 3,666.66ab | 11,549.3 ± 2,110.37ab | 15,319.5 ± 1,724.47a | 13,655.0 ± 1,257.55ab | 13,410.1 |
| N0P0 | 9,356.4 ± 1,084.59b | 10,661.9 ± 2,503.85ab | 12,306.8 ± 1,875.56b | 12,212.4 ± 2,576.85ab | 11,134.4 | |
| Average | 12,183.3 | 11,428.7 | 13,923.5 | 13,192.2 | 12,681.9 | |
| N180P90 | 11,717.1 ± 339.72abcd | 12,961.8 ± 1,772.77abc | 14,030.4 ± 1,539.90ab | 14,958.0 ± 1,137.26a | 13,416.8 | |
| Liucheng | N90P45 | 10,587.0 ± 1,710.58abcd | 12,929.3 ± 1,700.94abc | 12,189.2 ± 1,372.23abcd | 12,437.0 ± 923.96abcd | 12,035.6 |
| N0P0 | 8,496.6 ± 2,145.74cd | 9,628.7 ± 2,049.71bcd | 8,253.8 ± 1,621.48d | 10,361.0 ± 2,802.33bcd | 9,185 | |
| Average | 10,266.9 | 11,839.9 | 11,491.1 | 12,585.3 | 11,545.8 |
Note:
Values in columns with different letters showed significant differences (P < 0.05).