Primary tillage technique (factor А) |
Fertilizer rate(factor В) |
Yield, dt/ha |
Factor average |
А |
B |
Chisel tillage (20 – 22 sm) |
Without fertilizers |
38,9 |
|
|
N50P50K120 |
58,7 |
54,7 |
|
N100P100K240 |
66,5 |
|
|
Direct sowing |
Without fertilizers |
34,5 |
|
|
N50P50K120 |
42,3 |
42,5 |
|
N100P100K240 |
50,7 |
|
|
Plowing(20 – 22 sm) |
Without fertilizers |
39,0 |
|
|
N50P50K120 |
59,1 |
55,0 |
|
N100P100K240 |
66,9 |
|
|
Disk shallow plowing(control)(8 – 10 sm) |
Without fertilizers (control) |
36,6 |
|
37,2 |
N50P50K120 |
52,3 |
52,0 |
53,1 |
N100P100K240 |
67,3 |
|
62,8 |
НСР05 |
А |
|
0,6 |
|
В |
|
|
0,6 |
Variants |
1,71 |
|
|