| 第1次 The first practice (3/23—3/31) | 16.6 a (64) | 18.0 a (70) | 20.4 a (79) |
| 第2次 The second practice (3/31—4/8) | 15.9 a (62) | 17.9 a (69) | 20.3 a (79) |
| 第3次 The third practice (4/8—4/14) | 16.4 b (63) | 19.4 ab (75) | 21.7 a (84) |
| 第4次 The forth practice (4/14—4/25) | 16.6 b (64) | 19.8 ab (76) | 21.8 a (84) |
| 第5次 The fifth practice (4/25—5/2) | 16.6 b (64) | 20.4 a (79) | 22.0 a (85) |
| 第6次 The sixth practice (5/2—5/9) | 15.8 b (61) | 20.2 a (78) | 22.2 a (86) |
| 第7次 The seventh practice (5/9—5/18) | 14.8 b (57) | 20.1 a (77) | 22.3 a (86) |
| 第8次 The eighth practice (5/18—5/24) | 14.5 b (56) | 20.5 a (79) | 22.9 a (89) |
| 第9次 The ninth practice (5/24—5/29) | 15.2 b (59) | 21.1 a (81) | 23.3 a (90) |
| 第10次 The tenth practice (5/29—6/3) | 15.6 b (60) | 21.2 a (82) | 23.2 a (90) |
| 第11次 The eleventh practice (6/3—6/8) | 15.6 b (60) | 21.3 a (82) | 23.3 a (90) |
| 第12次 The twelfth practice (6/8—6/13) | 16.0 b (62) | 21.6 a (83) | 23.6 a (92) |
| 第13次 The thirteenth practice (6/13—6/18) | 16.7 b (65) | 21.9 a (84) | 23.7 a (92) |
| 第14次 The fourteenth practice (6/18—6/23) | 17.2 b (67) | 22.0 a (85) | 23.7 a (92) |
| 第15次 The fifteenth practice (6/23—6/28) | 17.6 b (68) | 22.2 a (86) | 23.9 a (93) |
| 第16次 The sixteenth practice (6/28—7/4) | 17.8 b (69) | 22.1 a (85) | 23.5 a (91) |
| 开花至拉秧期间 (3/23—7/4) Flowering to vine removing | 16.2 b (63) | 20.4 a (79) | 22.5 a (87) |