Year | The density of the plants’ standing, thousand pc/ha | Yield, t/ha | Number of seeds, pc/anthode | Mass of seed, g/anthode | The diameter of anthode, cm | Plant height, cm | The diameter of the stem, cm |
2016 | 50 | 2.32c | 569b | 42.1b | 24.2bc | 173.5b | 2.7b |
55 | 2.44b | 556b | 40.0b | 22.5bc | 174.8b | 2.7b | |
60 | 2.68a | 550b | 38.5a | 21.6bc | 175.6b | 2.4bc | |
65 | 2.79a | 544b | 37.5b | 20.3bc | 176.3b | 2.1bc | |
Average | 2.56a | 555b | 39.5b | 22.2bc | 175.1b | 2.5a | |
2017 | 50 | 2.16c | 561b | 41.0ab | 23.9b | 175.2b | 2.8ab |
55 | 2.26bc | 549bc | 39.0ab | 22.3b | 175.8b | 2.6ab | |
60 | 2.40b | 542b | 37.4a | 21.2b | 176.6b | 2.5a | |
65 | 2.53a | 518b | 34.7a | 20.4b | 177.1b | 2.3b | |
Average | 2.34b | 543b | 38.0b | 21.9b | 176.2b | 2.6ab | |
2018 | 50 | 2.75c | 583b | 43.1bc | 24.6b | 176.1b | 2.7 |
55 | 2.9b | 568bc | 41.5bc | 23.8b | 176.4b | 2.7b | |
60 | 3.02a | 554c | 38.8bc | 23.2b | 177.1b | 2.5b | |
65 | 3.11a | 550c | 38.5a | 22.4b | 177.8c | 2.4b | |
Average | 2.96a | 564c | 40.5bc | 23.5b | 176.9 | 2.6b |