Table 1: Applied fertilizer doses (urea; triple super phosphate, TSP; muriate of potash, MP; gypsum, and zinc sulphate, ZnSO4) for rice cultivated under irrigation with untreated municipal waste water at Mymensingh in Bangladesh.
|
Fertilizer |
Standard doses |
Applied fertilizer doses |
||||
|
F0 (kg ha-1) |
F1:25% (kg ha-1) |
F2:50% (kg ha-1) |
F3:75% (kg ha-1) |
F4:100% (kg ha-1) |
||
|
Urea |
260 |
0 |
65.0 |
130.0 |
195.0 |
260.0 |
|
TSP |
75 |
0 |
18.8 |
37.5 |
56.3 |
75.0 |
|
MP |
82 |
0 |
20.5 |
41.0 |
61.5 |
82.0 |
|
Gypsum |
60 |
0 |
15.0 |
30.0 |
45.0 |
60.0 |
|
ZnSO4 |
12 |
12.0 |
12.0 |
12.0 |
12.0 |
12.0 |
Note: The applied doses of urea, TSP, MP and gypsum were - F0: No application of fertilizer (control) and F1-F4: Application of 25%, 50%, 75% and 100% of recommended fertilizer dose, respectively.