Initial soil test values (kg ha -1 )
SN
| Initial soil test values (kg ha -1 ) | NPK (kg ha -1 ) + GM @ 6.25 t ha -1 + Azospirillum @ 2 kg ha -1 + PSB @ 2 kg ha -1 | NPK (kg ha -1 ) + FYM @ 12.5 t ha -1 + Azospirillum @ 2 kg ha -1 + PSB @ 2 kg ha -1 | ||||||
| SN | SP | SK | FN | FP 2 O 5 | FK 2 O | FN | FP 2 O 5 | FK 2 O |
| 175 | 14 | 200 | 83 | 45** | 45** | 90** | 45** | 45** |
| 225 | 18 | 300 | 71 | 45** | 42 | 90** | 45** | 45** |
| 275 | 22 | 400 | 59 | 39 | 29 | 80 | 45** | 45** |
NPK (kg ha -1 ) + FYM @ 12.5 t ha -1 + Azospirillum @ 2 kg ha -1 + PSB @ 2 kg ha -1
FK 2 O
175
45**
225
**Maximum dose
Note:
- PSB - Phosphorus Solubilizing Bacteria
- FN, FP 2 O 5 and K 2 O - Fertilizer N, P 2 O 5 and K 2 O in kg ha -1 , respectively
- T -Yield target in q ha -1
- SN, SP and SK - Soil available N, P and K in kg ha-1, respectively
- ON, OP and OK - Quantities of N, P and K supplied through organic manure in kg ha -1 , respectively
- Soil test crop response based integrated plant nutrition system (STCR – IPNS) recommendation may be adopted for prescribing fertilizer doses for specified yield targets [ready reckoners are furnished]
- FN = 5.35 T – 0.24 SN – 0.53 ON
- FP2O5 = 3.67 T – 1.99 SP – 0.84 OP
- FK2O = 3.83 T – 0.13 SK – 0.55 OK
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| Updated on Jan 2023 | |
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