Year |
Treatment |
The Fertilization
dosage(kg·hm-2) |
Straw application
rates(kg·hm-2) |
Fertilizer substitution
ratio(%) |
|
|
|
|
N |
P2O5 |
|
N |
P2O5 |
2018~2019 |
S0 |
82.0 |
76.0 |
0.0 |
— |
— |
|
S1/2 |
72.0 |
64.0 |
3250.0 |
12.2 |
15.8 |
|
S1 |
62.0 |
52.0 |
6500.0 |
24.4 |
31.6 |
|
S2 |
42.0 |
28.0 |
13000.0 |
48.8 |
63.2 |
2019~2020 |
S0 |
91.0 |
35.0 |
0.0 |
— |
— |
|
S1/2 |
87.0 |
31.0 |
1400.0 |
4.4 |
11.4 |
|
S1 |
83.0 |
28.0 |
2800.0 |
8.8 |
20.0 |
|
S2 |
75.0 |
20.0 |
5600.0 |
17.6 |
42.9 |
2020~2021 |
S0 |
113.0 |
— |
0.0 |
— |
— |
|
S1/2 |
104.0 |
— |
2826.0 |
8.0 |
— |
|
S1 |
95.0 |
— |
5653.0 |
15.9 |
— |
|
S2 |
77.0 |
— |
11306.0 |
31.9 |
— |
2021~2022 |
S0 |
63.0 |
6.0 |
0.0 |
— |
— |
|
S1/2 |
51.4 |
— |
3626.5 |
18.4 |
— |
|
S1 |
39.8 |
— |
7253.0 |
36.8 |
— |
|
S2 |
16.6 |
— |
14506.0 |
73.7 |
— |
2022~2023 |
S0 |
173.0 |
67.0 |
0.0 |
— |
— |
|
S1/2 |
165.8 |
63.1 |
2250.0 |
4.2 |
5.9 |
|
S1 |
158.6 |
59.1 |
4500.0 |
8.3 |
11.8 |
|
S2 |
144.2 |
51.2 |
9000.0 |
16.6 |
23.6 |
Mean |
S0 |
104.4 |
59.3 |
0.0 |
— |
— |
|
S1/2 |
96.0 |
52.7 |
2670.5 |
9.4 |
11.0 |
|
S1 |
87.7 |
46.4 |
5341.2 |
18.8 |
21.1 |
|
S2 |
71.0 |
33.1 |
10682.4 |
37.7 |
43.2 |